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senior juniper network engineer
Xcede
Lead Network Architect
Xcede Newport, Gwent
Lead Network Architect (Juniper Data Centre Architecture Ownership NHS) We are recruiting a Senior Juniper Network Engineer to deliver a critical NHS data centre network transformation. The role focuses on building and migrating a new Juniper-based inter-data-centre transit core to resolve long-standing routing, firewall, and resilience issues in a live healthcare environment click apply for full job details
Jan 09, 2026
Contractor
Lead Network Architect (Juniper Data Centre Architecture Ownership NHS) We are recruiting a Senior Juniper Network Engineer to deliver a critical NHS data centre network transformation. The role focuses on building and migrating a new Juniper-based inter-data-centre transit core to resolve long-standing routing, firewall, and resilience issues in a live healthcare environment click apply for full job details
Xcede
Senior Juniper Network Engineer
Xcede Newport, Gwent
Senior Juniper Network Engineer (Data Centre EVPN-VXLAN NHS Programme) We are recruiting a Senior Juniper Network Engineer to deliver a critical NHS data centre network transformation. The role focuses on building and migrating a new Juniper-based inter-data-centre transit core to resolve long-standing routing, firewall, and resilience issues in a live healthcare environment click apply for full job details
Jan 09, 2026
Contractor
Senior Juniper Network Engineer (Data Centre EVPN-VXLAN NHS Programme) We are recruiting a Senior Juniper Network Engineer to deliver a critical NHS data centre network transformation. The role focuses on building and migrating a new Juniper-based inter-data-centre transit core to resolve long-standing routing, firewall, and resilience issues in a live healthcare environment click apply for full job details
Senior Network Engineer
DXC Technology Inc. Erskine, Renfrewshire
Job Description: The position is a Senior Network Engineering role. Expectation is the successful candidate will cover BAU project and support activities ultimately with an expectation to become part of a 24x7 On-Call rota. This role is hybrid with 2 days in office at either our Erskine or Newcastle site. Successful candidate should have or be willing to obtain SC clearance. To meet criteria you will be a British Citizen with no other citizenships and lived in the UK for the last 5 years Job Summary: This Network Engineering role focusses on both the support and implementation of Network infrastructures in a large multi-vendor multi-site environment for a DXC Customer. Role focus will cover LAN, WAN, Firewall, WiFi, Load Balancing, IPAM and Security infrastructures, both onsite and remote, with a key focus on Cisco, Palo Alto, Juniper, F5, Infoblox, RSA and Broadcom product portfolio.Expectation is the successful candidate will have 5 to 10 years proven work experience in a challenging, multi-vendor environment working as part of a team delivering both project engineering and Network support functions. Key Responsibilities: Network Maintenance and Troubleshooting: Maintain data network hardware and systems. Investigate and resolve network and hardware issues. Analyze, isolate, and troubleshoot network errors. Assess and upgrade legacy network components as needed. Technical Support and Leadership: Provide technical support for both internal and external customers. Respond to technical inquiries and recommend solutions. Lead network problem escalation and resolution. Network Installation and Configuration: Install and maintain network infrastructure, including hardware, software, and system data for small to medium-sized networks. Deploy network applications on servers and voice equipment. Conduct network testing, maintenance, and problem resolution. Perform network configurations and implement configuration changes on Routers, Switches, Firewalls and Security appliances. Documentation and Communication: Prepare network diagrams and documentation to reflect current Network operational status. Draft proposal documentation to address customer requirements. Mandatory Skills: Cisco LAN / WAN skills equivalent to CCNP level. Demonstrable experience working in a large-scale multi-vendor complex environment. Strong technical documentation skills. Experience with complex routing protocols, including OSPF, BGP, and iBGP. Experience working with large scale structured cabling infrastructures in a production / manufacturing environment. Experience working with firewalls, ideally Palo Alto, Cisco or Juniper Firewalls. Other Skills: Experience working with two or more of the following: - Configuring and managing IPSec tunnels on firewalls and routers. Cisco WiFi deployment and management InfoBlox IPAM service Cisco AnyConnect deployed on Firepowers (running ASA OS) Broadcom proxies F5 Load Balancers RSA 2 factor Authentication services Basic Qualifications: Experience in data networking with Cisco infrastructures. Proven experience troubleshooting LAN / WAN / FW systems and technical infrastructure. Knowledge of modern network systems, networking principles, and data or video communication. Eligible for or currently possess SC clearance (Mandatory). At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We're committed to fostering an inclusive environment where everyone can thrive.Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available . DXC Technology (NYSE: DXC) helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability across public, private and hybrid clouds. The world's largest companies and public sector organizations trust DXC to deploy services to drive new levels of performance, competitiveness, and customer experience across their IT estates. Learn more about how we deliver excellence for our customers and colleagues at .
Jan 01, 2026
Full time
Job Description: The position is a Senior Network Engineering role. Expectation is the successful candidate will cover BAU project and support activities ultimately with an expectation to become part of a 24x7 On-Call rota. This role is hybrid with 2 days in office at either our Erskine or Newcastle site. Successful candidate should have or be willing to obtain SC clearance. To meet criteria you will be a British Citizen with no other citizenships and lived in the UK for the last 5 years Job Summary: This Network Engineering role focusses on both the support and implementation of Network infrastructures in a large multi-vendor multi-site environment for a DXC Customer. Role focus will cover LAN, WAN, Firewall, WiFi, Load Balancing, IPAM and Security infrastructures, both onsite and remote, with a key focus on Cisco, Palo Alto, Juniper, F5, Infoblox, RSA and Broadcom product portfolio.Expectation is the successful candidate will have 5 to 10 years proven work experience in a challenging, multi-vendor environment working as part of a team delivering both project engineering and Network support functions. Key Responsibilities: Network Maintenance and Troubleshooting: Maintain data network hardware and systems. Investigate and resolve network and hardware issues. Analyze, isolate, and troubleshoot network errors. Assess and upgrade legacy network components as needed. Technical Support and Leadership: Provide technical support for both internal and external customers. Respond to technical inquiries and recommend solutions. Lead network problem escalation and resolution. Network Installation and Configuration: Install and maintain network infrastructure, including hardware, software, and system data for small to medium-sized networks. Deploy network applications on servers and voice equipment. Conduct network testing, maintenance, and problem resolution. Perform network configurations and implement configuration changes on Routers, Switches, Firewalls and Security appliances. Documentation and Communication: Prepare network diagrams and documentation to reflect current Network operational status. Draft proposal documentation to address customer requirements. Mandatory Skills: Cisco LAN / WAN skills equivalent to CCNP level. Demonstrable experience working in a large-scale multi-vendor complex environment. Strong technical documentation skills. Experience with complex routing protocols, including OSPF, BGP, and iBGP. Experience working with large scale structured cabling infrastructures in a production / manufacturing environment. Experience working with firewalls, ideally Palo Alto, Cisco or Juniper Firewalls. Other Skills: Experience working with two or more of the following: - Configuring and managing IPSec tunnels on firewalls and routers. Cisco WiFi deployment and management InfoBlox IPAM service Cisco AnyConnect deployed on Firepowers (running ASA OS) Broadcom proxies F5 Load Balancers RSA 2 factor Authentication services Basic Qualifications: Experience in data networking with Cisco infrastructures. Proven experience troubleshooting LAN / WAN / FW systems and technical infrastructure. Knowledge of modern network systems, networking principles, and data or video communication. Eligible for or currently possess SC clearance (Mandatory). At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We're committed to fostering an inclusive environment where everyone can thrive.Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available . DXC Technology (NYSE: DXC) helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability across public, private and hybrid clouds. The world's largest companies and public sector organizations trust DXC to deploy services to drive new levels of performance, competitiveness, and customer experience across their IT estates. Learn more about how we deliver excellence for our customers and colleagues at .
Senior Global Network Engineer - Hybrid Role
Mimecast Limited
A global network solutions provider is looking for a Senior Network Engineer to oversee and improve their corporate network infrastructure. You will troubleshoot complex network issues, design optimal network solutions, and work closely with IT and Security teams. Ideal candidates will have extensive experience with networking technologies such as Cisco and Juniper, as well as strong communication skills. This position is based in London with a hybrid working model and offers a competitive salary between £64,000 and £96,000.
Jan 01, 2026
Full time
A global network solutions provider is looking for a Senior Network Engineer to oversee and improve their corporate network infrastructure. You will troubleshoot complex network issues, design optimal network solutions, and work closely with IT and Security teams. Ideal candidates will have extensive experience with networking technologies such as Cisco and Juniper, as well as strong communication skills. This position is based in London with a hybrid working model and offers a competitive salary between £64,000 and £96,000.
Operations Solutions Advisor Permanent / Full-Time London View position
Vorboss Limited
Vorboss is building the future of business infrastructure in London. We started by building London's largest fibre network and are now expanding to provide the full range of IT and cybersecurity services that modern businesses rely on. Our goal is simple: give London businesses a single, trusted partner for everything from connectivity to managed IT and cyber protection. We're proud to have earned one of the best reputations in the industry and it is essential to us that we maintain that reputation as we grow. Our team is tight knit and highly talented. We trust each other to do the right thing, take responsibility, and be a champion for our collective success. We're looking for talented, smart people to join us as we embark on this exciting period of growth. Our vision for Vorboss is to be "the best job that someone ever had", regardless of how long they stay with us and promise to provide a supportive workplace based on respect and trust. Role overview: We are looking for a Solution Advisor to support our sales and networks teams as we deliver connectivity, IT, and cybersecurity services to businesses across London. This is an early-career position focused on assisting with customer conversations, providing high-level technical clarification, and ensuring opportunities are correctly scoped before they reach the senior Solutions team. You'll join customer calls, help explain proposals, gather requirements, and act as the first technical checkpoint to ensure accuracy and consistency. This role is ideal for someone looking to grow into a full Solutions role while learning from experienced engineers and advisors across the business. Key responsibilities: Join customer calls to support discovery discussions and capture technical needs. Explain and walk customers through existing proposals and answer high-level questions. Provide non-design technical clarifications within the standard product offering. Act as the first-level technical filter before opportunities progress to the Solutions team. Work exclusively within the defined standard product set Support the preparation of high-level network diagrams, documentation, and proposal material. Help translate straightforward customer requirements into clear technical notes for internal teams. Collaborate closely with Sales, Networks and Solutions to ensure smooth handover of information. Maintain clean documentation and accurate records that support a seamless delivery workflow. The right candidate: Some experience or exposure to an ISP, MSP, or cybersecurity environment. Strong foundational knowledge of networking (LAN/WAN/firewalls) and familiarity with Microsoft 365. Interest in cybersecurity tools and concepts (firewalls, VPN, endpoint protection, SIEM/SOC). Familiarity with Juniper, Ruckus, or Fortinet technologies is a bonus. Confident communicator able to explain technical concepts simply. Highly organised with good documentation and diagramming habits. Curious, proactive, and eager to learn and progress into a more senior Solutions role. We believe in taking care of our staff both mentally and physically and in order to support this we offer a range of benefits that you can access. Employee Share Plan- Once an employee at Vorboss, we offer the opportunity to become a shareholder in the company. Company pension scheme. 25 days of annual leave allowance that increases with years served (excluding bank holidays). Access to Spill, our mental health support partner. Cycle to work scheme. Half price gym memberships through the healthcare provider. Free eye test. Hastee app, to help manage your salary and finances. Diversity, inclusion, and equal opportunities: We aim to be an equal opportunities employer and we are determined to ensure that no applicant or employee receives less favourable treatment on the grounds of gender, age, disability, religion, belief, sexual orientation, marital status, or race, or is disadvantaged by conditions or requirements which cannot be shown to be justifiable. We aim to create a working environment free of bullying, harassment, victimisation, and unlawful discrimination, promoting dignity and respect for all, and where individual differences and the contributions of all staff are recognised and valued. This commitment includes training managers and all other employees about their rights and responsibilities under the equality, diversity, and inclusion policy. Responsibilities include staff conducting themselves to help the organisation provide equal opportunities in employment, and prevent bullying, harassment, victimisation, and unlawful discrimination. Vorboss promotes step free access at our main headquarters, whilst taking into consideration physical barriers employees might face across all other sites.
Jan 01, 2026
Full time
Vorboss is building the future of business infrastructure in London. We started by building London's largest fibre network and are now expanding to provide the full range of IT and cybersecurity services that modern businesses rely on. Our goal is simple: give London businesses a single, trusted partner for everything from connectivity to managed IT and cyber protection. We're proud to have earned one of the best reputations in the industry and it is essential to us that we maintain that reputation as we grow. Our team is tight knit and highly talented. We trust each other to do the right thing, take responsibility, and be a champion for our collective success. We're looking for talented, smart people to join us as we embark on this exciting period of growth. Our vision for Vorboss is to be "the best job that someone ever had", regardless of how long they stay with us and promise to provide a supportive workplace based on respect and trust. Role overview: We are looking for a Solution Advisor to support our sales and networks teams as we deliver connectivity, IT, and cybersecurity services to businesses across London. This is an early-career position focused on assisting with customer conversations, providing high-level technical clarification, and ensuring opportunities are correctly scoped before they reach the senior Solutions team. You'll join customer calls, help explain proposals, gather requirements, and act as the first technical checkpoint to ensure accuracy and consistency. This role is ideal for someone looking to grow into a full Solutions role while learning from experienced engineers and advisors across the business. Key responsibilities: Join customer calls to support discovery discussions and capture technical needs. Explain and walk customers through existing proposals and answer high-level questions. Provide non-design technical clarifications within the standard product offering. Act as the first-level technical filter before opportunities progress to the Solutions team. Work exclusively within the defined standard product set Support the preparation of high-level network diagrams, documentation, and proposal material. Help translate straightforward customer requirements into clear technical notes for internal teams. Collaborate closely with Sales, Networks and Solutions to ensure smooth handover of information. Maintain clean documentation and accurate records that support a seamless delivery workflow. The right candidate: Some experience or exposure to an ISP, MSP, or cybersecurity environment. Strong foundational knowledge of networking (LAN/WAN/firewalls) and familiarity with Microsoft 365. Interest in cybersecurity tools and concepts (firewalls, VPN, endpoint protection, SIEM/SOC). Familiarity with Juniper, Ruckus, or Fortinet technologies is a bonus. Confident communicator able to explain technical concepts simply. Highly organised with good documentation and diagramming habits. Curious, proactive, and eager to learn and progress into a more senior Solutions role. We believe in taking care of our staff both mentally and physically and in order to support this we offer a range of benefits that you can access. Employee Share Plan- Once an employee at Vorboss, we offer the opportunity to become a shareholder in the company. Company pension scheme. 25 days of annual leave allowance that increases with years served (excluding bank holidays). Access to Spill, our mental health support partner. Cycle to work scheme. Half price gym memberships through the healthcare provider. Free eye test. Hastee app, to help manage your salary and finances. Diversity, inclusion, and equal opportunities: We aim to be an equal opportunities employer and we are determined to ensure that no applicant or employee receives less favourable treatment on the grounds of gender, age, disability, religion, belief, sexual orientation, marital status, or race, or is disadvantaged by conditions or requirements which cannot be shown to be justifiable. We aim to create a working environment free of bullying, harassment, victimisation, and unlawful discrimination, promoting dignity and respect for all, and where individual differences and the contributions of all staff are recognised and valued. This commitment includes training managers and all other employees about their rights and responsibilities under the equality, diversity, and inclusion policy. Responsibilities include staff conducting themselves to help the organisation provide equal opportunities in employment, and prevent bullying, harassment, victimisation, and unlawful discrimination. Vorboss promotes step free access at our main headquarters, whilst taking into consideration physical barriers employees might face across all other sites.
Senior Network Engineer
TECHSAPIENS LTD Richmond, Surrey
Job Summary We're looking for a talented senior network engineer to join our team. The role will be split between the following areas: Projects: design, specification and implementation of high-availability network infrastructure, typically in the 50-500 user range. NOC: Ongoing network monitoring & management and improving our NOC function using RMM and other tools. Service Desk escalations: providing a point of escalation to our 2nd line service desk engineers. Technical Skills You will have extensive knowledge and experience across the following areas that gives you the ability to carry out creation of high level and detailed designs, specification of equipment, liaising with vendors as required, overseeing installation including hands-on deployment and configuration, documentation, ongoing management and support, troubleshooting, and helping upskill the rest of the team. You will work across the full network stack and will need expert-level knowledge to design, specify, implement, troubleshoot, monitor and manage the full network stack including: Routers & Firewalls: SPI/DPI/UTM/next-gen physical & virtual firewalls including routing and HA configuration using relevant protocols Switching: Layer 3 switching including complex VLAN configurations WiFi : Expert-level knowledge of WiFi infrastructure including knowledge of RF concepts, predictive design, wireless standards, troubleshooting etc. We work with firewalls, switches and WiFi APs from major vendors including Arista, Cisco & Cisco Meraki, HP Aruba, Juniper, Mikrotik, Ruckus and Unifi. Responsibilities Assist in developing project specifications and proposals and responding to RFPs. You should be able to produce high-level and detailed network designs, specify the right equipment, liaising with clients and vendors as necessary. Participate in projects including the design, specification and implementation of new networks. This includes high level and detailed design, specification of equipment, liaising with vendors as required, overseeing installation including hands-on deployment, configuration and documentation Act as a point of escalation on the service desk NOC leader focusing on the ongoing monitoring & management of our networks to ensure optimal performance, reliability & security Constantly contribute to the improvement of technical and operational documentation, policies and procedures. Good processes are a key growth driver and you will help to constantly define and improve processes. Contribute to the adoption and creation of internal and external technical standards Promote learning, development and sharing of knowledge within and outside of the team Encourage and act on any opportunities to improve the way that we deliver services to our clients, for example deeper automation, simplification of process or better communication Ensure that the quality of our work is nothing short of first class - every ticket, task & project. We constantly evaluate new tech, new services and better ways of doing what we do. You will always be learning and exploring new and better ways of doing everything that we do. Desired Qualifications CCNP Routing & Switching, CCNP Wireless, CCDP, CWNP CWNA, ITIL, Cybersecurity, Project Management Other Skills & Experience Able to be part of a team that produces the highest quality of service and results while operating in a busy and changing working environment Leadership, enthusiasm and an innate desire to drive the development of teams and inspire confidence and trust from the support team, fostering the values of ownership, responsibility and professionalism Confident and diplomatic communicator, essential for the effective management of client communications from written through to face-to-face Combine being disciplined, organised and self-motivated, with adaptability and creativity Naturally open and sharing of knowledge, contributes to technical discussions and always acting to learn and share. Your Values You are ambitious and entrepreneurial - you will be a crucial part of a small team at an early stage, and help take techsapiens to the next level, so you see yourself contributing to the work we are doing to build our future together. You like helping people: this is fundamental to the role. Our valued clients and team members need to know that they are receiving the most professional, friendly & efficient support possible. You enjoy solving problems, taking on challenges and finding creative solutions. You are resourceful, unblockable and relentless. You will find the right solution quickly. You have your eye on the ultimate goal and the will to find a way. No excuses, no blame. The buck stops with you. You are extremely well organised: we are a young business and are constantly improving our own standards and processes and need you to be a systems thinker, constantly creating, documenting and improving processes. You're a team player and work in a way that allows us to do much better work together than anyone can by themselves. You help others achieve excellence in their work. You don't crack under pressure: we work hard to ensure that things run well on networks we manage, but there will be unexpected problems. Outages and downtime can be a stressful time - you need to keep your cool. You are passionate about technology and have a vision about how we can use technology to help our clients achieve their goals. Do the dishes: this is a small team working on fast-moving projects. Everyone needs to roll up their sleeves and pitch in with whatever work needs to be done. There's no such thing as 'not my job'. Be responsible. Do what you say you'll do. Do the right thing no matter what. Don't wait to be told what to do. Be candid and transparent. Take quiet pride in your work. Self-motivated and self-disciplined. Strong work ethic. Selfless. You don't wait to be told what to do You do what you say you'll do You do the right thing when nobody is looking You embody the idea of near-perfect delivery and continuous improvement. You may be a Kaizen / Six Sigma practitioner. How you do anything is how you do everything. Make it amazing. About techsapiens techsapiens is a young, innovative and fast-growing MSP that delivers top-tier IT infrastructure and support to a demanding SME client base. We specialise in running IT systems where security, reliability and performance are of utmost importance. Our business is growing rapidly, and our service portfolio is becoming more sophisticated. Clients in industries ranging from financial, healthcare, legal, consulting & coworking rely on our services and support to run their critical business infrastructure and provide them with fully managed IT services. We care deeply about the quality and rigour of our work. This translates into an uncommon commitment to quality, and we are proud that our clients and team members will attest to this. We see opportunities to learn and improve every time we do something. Think of it as near-perfect delivery, and continuous improvement. If you've come across Kaizen, you will know the principle. We are problem solvers and we all do whatever needs to be done to make the work happen - nobody is afraid to 'do the dishes'. This will be a challenging and rewarding role, with excellent growth prospects given our size & velocity. You will be part of not just the techsapiens family but also part of the extended family for our clients, with whom we have very close working relationships. You will be working directly with our CEO and other senior team members to help deliver top-class projects and managed services to our clients. If you want to continue to build on your breadth of experience dealing with all aspects of an IT organisation and get in at the ground floor of our growth phase you're in the right place. No two days will be the same here. Diversity & Life Outside Work We believe that an excellent work-life balance is an essential part of being a happy, productive individual. We welcome a varied range of interests outside of work, which we believe contribute directly to the richness of our team. We strive for a strong culture at techsapiens which is geared around diverse pursuits, adventure, health & happiness - something more than just hitting the pub at 5 - not that we have anything against beer - quite the opposite! IT companies aren't always the most diverse places so we actively seek candidates who will bring diversity into our team, thinking & culture. We think that life & work are better when we have different points of view. We take on pro-bono charity projects and we welcome your input on the types of projects and charities we work with. We are constantly upgrading our skills and will invest in on-going training & qualifications for our team. As we grow, you will play a pivotal role in hiring and growing a dynamic, high-performance managed service and professional services team. techsapiens is an equal opportunities employer. Applications from individuals are encouraged regardless of age, disability, sex, gender, sexual orientation, race and religion. Salary / Benefits Annual bonus of up to 10% of salary Other benefits: private healthcare and flexible working available Interview Process Round 1: Initial call - online, 15 minutes Round 2: Detailed interview - in-person or online, 90 minutes Round 3: Work sample - in-person or online . click apply for full job details
Jan 01, 2026
Full time
Job Summary We're looking for a talented senior network engineer to join our team. The role will be split between the following areas: Projects: design, specification and implementation of high-availability network infrastructure, typically in the 50-500 user range. NOC: Ongoing network monitoring & management and improving our NOC function using RMM and other tools. Service Desk escalations: providing a point of escalation to our 2nd line service desk engineers. Technical Skills You will have extensive knowledge and experience across the following areas that gives you the ability to carry out creation of high level and detailed designs, specification of equipment, liaising with vendors as required, overseeing installation including hands-on deployment and configuration, documentation, ongoing management and support, troubleshooting, and helping upskill the rest of the team. You will work across the full network stack and will need expert-level knowledge to design, specify, implement, troubleshoot, monitor and manage the full network stack including: Routers & Firewalls: SPI/DPI/UTM/next-gen physical & virtual firewalls including routing and HA configuration using relevant protocols Switching: Layer 3 switching including complex VLAN configurations WiFi : Expert-level knowledge of WiFi infrastructure including knowledge of RF concepts, predictive design, wireless standards, troubleshooting etc. We work with firewalls, switches and WiFi APs from major vendors including Arista, Cisco & Cisco Meraki, HP Aruba, Juniper, Mikrotik, Ruckus and Unifi. Responsibilities Assist in developing project specifications and proposals and responding to RFPs. You should be able to produce high-level and detailed network designs, specify the right equipment, liaising with clients and vendors as necessary. Participate in projects including the design, specification and implementation of new networks. This includes high level and detailed design, specification of equipment, liaising with vendors as required, overseeing installation including hands-on deployment, configuration and documentation Act as a point of escalation on the service desk NOC leader focusing on the ongoing monitoring & management of our networks to ensure optimal performance, reliability & security Constantly contribute to the improvement of technical and operational documentation, policies and procedures. Good processes are a key growth driver and you will help to constantly define and improve processes. Contribute to the adoption and creation of internal and external technical standards Promote learning, development and sharing of knowledge within and outside of the team Encourage and act on any opportunities to improve the way that we deliver services to our clients, for example deeper automation, simplification of process or better communication Ensure that the quality of our work is nothing short of first class - every ticket, task & project. We constantly evaluate new tech, new services and better ways of doing what we do. You will always be learning and exploring new and better ways of doing everything that we do. Desired Qualifications CCNP Routing & Switching, CCNP Wireless, CCDP, CWNP CWNA, ITIL, Cybersecurity, Project Management Other Skills & Experience Able to be part of a team that produces the highest quality of service and results while operating in a busy and changing working environment Leadership, enthusiasm and an innate desire to drive the development of teams and inspire confidence and trust from the support team, fostering the values of ownership, responsibility and professionalism Confident and diplomatic communicator, essential for the effective management of client communications from written through to face-to-face Combine being disciplined, organised and self-motivated, with adaptability and creativity Naturally open and sharing of knowledge, contributes to technical discussions and always acting to learn and share. Your Values You are ambitious and entrepreneurial - you will be a crucial part of a small team at an early stage, and help take techsapiens to the next level, so you see yourself contributing to the work we are doing to build our future together. You like helping people: this is fundamental to the role. Our valued clients and team members need to know that they are receiving the most professional, friendly & efficient support possible. You enjoy solving problems, taking on challenges and finding creative solutions. You are resourceful, unblockable and relentless. You will find the right solution quickly. You have your eye on the ultimate goal and the will to find a way. No excuses, no blame. The buck stops with you. You are extremely well organised: we are a young business and are constantly improving our own standards and processes and need you to be a systems thinker, constantly creating, documenting and improving processes. You're a team player and work in a way that allows us to do much better work together than anyone can by themselves. You help others achieve excellence in their work. You don't crack under pressure: we work hard to ensure that things run well on networks we manage, but there will be unexpected problems. Outages and downtime can be a stressful time - you need to keep your cool. You are passionate about technology and have a vision about how we can use technology to help our clients achieve their goals. Do the dishes: this is a small team working on fast-moving projects. Everyone needs to roll up their sleeves and pitch in with whatever work needs to be done. There's no such thing as 'not my job'. Be responsible. Do what you say you'll do. Do the right thing no matter what. Don't wait to be told what to do. Be candid and transparent. Take quiet pride in your work. Self-motivated and self-disciplined. Strong work ethic. Selfless. You don't wait to be told what to do You do what you say you'll do You do the right thing when nobody is looking You embody the idea of near-perfect delivery and continuous improvement. You may be a Kaizen / Six Sigma practitioner. How you do anything is how you do everything. Make it amazing. About techsapiens techsapiens is a young, innovative and fast-growing MSP that delivers top-tier IT infrastructure and support to a demanding SME client base. We specialise in running IT systems where security, reliability and performance are of utmost importance. Our business is growing rapidly, and our service portfolio is becoming more sophisticated. Clients in industries ranging from financial, healthcare, legal, consulting & coworking rely on our services and support to run their critical business infrastructure and provide them with fully managed IT services. We care deeply about the quality and rigour of our work. This translates into an uncommon commitment to quality, and we are proud that our clients and team members will attest to this. We see opportunities to learn and improve every time we do something. Think of it as near-perfect delivery, and continuous improvement. If you've come across Kaizen, you will know the principle. We are problem solvers and we all do whatever needs to be done to make the work happen - nobody is afraid to 'do the dishes'. This will be a challenging and rewarding role, with excellent growth prospects given our size & velocity. You will be part of not just the techsapiens family but also part of the extended family for our clients, with whom we have very close working relationships. You will be working directly with our CEO and other senior team members to help deliver top-class projects and managed services to our clients. If you want to continue to build on your breadth of experience dealing with all aspects of an IT organisation and get in at the ground floor of our growth phase you're in the right place. No two days will be the same here. Diversity & Life Outside Work We believe that an excellent work-life balance is an essential part of being a happy, productive individual. We welcome a varied range of interests outside of work, which we believe contribute directly to the richness of our team. We strive for a strong culture at techsapiens which is geared around diverse pursuits, adventure, health & happiness - something more than just hitting the pub at 5 - not that we have anything against beer - quite the opposite! IT companies aren't always the most diverse places so we actively seek candidates who will bring diversity into our team, thinking & culture. We think that life & work are better when we have different points of view. We take on pro-bono charity projects and we welcome your input on the types of projects and charities we work with. We are constantly upgrading our skills and will invest in on-going training & qualifications for our team. As we grow, you will play a pivotal role in hiring and growing a dynamic, high-performance managed service and professional services team. techsapiens is an equal opportunities employer. Applications from individuals are encouraged regardless of age, disability, sex, gender, sexual orientation, race and religion. Salary / Benefits Annual bonus of up to 10% of salary Other benefits: private healthcare and flexible working available Interview Process Round 1: Initial call - online, 15 minutes Round 2: Detailed interview - in-person or online, 90 minutes Round 3: Work sample - in-person or online . click apply for full job details
Ori
Senior/Principal Software Engineer - Network & SDN
Ori City, London
Company Overview: Ori is setting a new standard for how AI worlds are built. We are the first AI Infrastructure provider with the native expertise, comprehensive capabilities, and end-to-end flexibility to support any model, team, or scale. As a fast-growing startup backed by leading investors, we value ambition, accessibility, and collaboration, and are committed to pushing the boundaries of what's possible in the field of AI. Join our close-knit, global team and help us build the future of AI infrastructure! Job Description As a Software Engineer focused on Network and SDN, you'll design and build the software systems that define, automate, and operate Ori's network fabric. You'll work at the intersection of software engineering, distributed systems, and networking - writing the tools, controllers, and services that enable Ori's global high-performance infrastructure to scale dynamically across multiple data centres and clouds. The ideal candidate is a hands on software engineer with experience of automating network systems and cloud native designs. You thrive in hybrid infrastructure environments, enjoy building abstractions for complex systems, and have experience writing reliable automation that integrates tightly with hardware and orchestration platforms including Kubernetes and Ansible. What You'll Do: Design and develop SDN components and network automation systems to control data centre and interconnect networks, integrating APIs from Juniper, NVIDIA, and Cumulus platforms Develop scalable automation frameworks for deploying and managing physical and virtual networks, using Go, Python, and Kubernetes native controllers Build and maintain microservices responsible for IP address management, fabric provisioning, routing policies, and observability pipelines Design REST/gRPC APIs to interface with network and orchestration systems, exposing network capabilities as programmable services to internal teams and customer workloads Develop systems that ingest and process network telemetry (sFlow, SNMP, gNMI, Prometheus exporters) into Ori's central monitoring stack for observability Work closely with other software, infrastructure and SRE teams to align software systems with operational needs - ensuring reliability, observability, and maintainability of all automation Contribute to initiatives including CI/CD pipelines for network configurations, compliance testing, and validation in simulated environments Maintain high standards for code quality, observability, and maintainability through reviews and best practices What You Bring: 5+ years of professional software development experience, ideally with Go and Python Strong background in distributed systems, APIs, and cloud native application design Solid understanding of networking principles - BGP, EVPN, VXLAN, and L2/L3 overlays Experience interacting with programmable network platforms or vendor APIs (e.g. Juniper, NVIDIA/Cumulus) Experience with Ansible, Terraform, and GitOps workflows (Flux, ArgoCD), reproducible, version controlled infrastructure deployments Understanding of network virtualisation, overlays, and intent based configuration systems Familiarity with Prometheus, Grafana, or time series telemetry systems Experience integrating telemetry into automation or alerting pipelines Exposure to production grade, large scale infrastructure or HPC/AI environments Comfortable troubleshooting across software and hardware layers Preferred Skills (Nice to Have): Proficiency in Kubernetes networking, CNIs, ingress controllers, and service meshes. Familiarity with operators, CRDs, and custom controllers for managing infrastructure state. Experience developing or extending Kubernetes CNIs or operators. Understanding of eBPF networking or programmable data planes Familiarity with NVIDIA BlueField DPUs or SmartNIC offload architectures. Prior work in HPC, telco, or hyperscale network environments. Contributions to open source network automation or cloud native projects. What you'll bring: A systems mindset - you think about software, networking, and automation holistically. Curiosity and rigour - you dig deep into protocol behaviour and distributed systems. Empathy and collaboration - you work well with cross functional teams. The drive to build elegant, scalable systems that make complex infrastructure feel effortless. Qualities we look for: Set the standard: Every single day, you spot opportunities to constructively shake things up. Inspire the change: There's no blueprint for the future. You'll embrace challenges and change. You're real and you're true to yourself: We cherish and celebrate diversity so you'll feel right at home whoever you are and whoever you're talking to, you treat everyone the same. Why should you join us? What sets us apart is our blend of modern technology, competitive benefits, and an open, welcoming work culture that enables our people to thrive. Here are just some of the great things you can expect from us: Remote work, flexible hours: we offer a fully remote work schedule, with flexible working hours and trust in your productivity, we are in sync with your team's general locations and time zones to foster effective and seamless collaboration. 30 days of annual leave: we value your peace of mind. With 30 days off (excluding public holidays) and access to mental health resources, we make sure you're as strong mentally as you are professionally. A culture that emphasises results over hierarchy, process & ego: we place great emphasis on the quality, ingenuity and creativity of work. Open communication, regular feedback: we value smooth collaboration, direct and actionable feedback, and believe that leading with empathy and a growth mindset makes us better together. Learning Time: we all have dedicated learning time to focus on new skills, projects or interests that lay outside of your day to day job. Health & Wellbeing: we want everyone to feel healthy and happy, so we offer private medical insurance via Bupa. Cycle to Work Scheme: we're committed to building a sustainable business, so we encourage cycling to work. Gympass subscription to a variety of gyms and wellbeing apps Participation in the company shares program Enhanced parental pay & leave Diversity, Equity, Inclusion and Belonging We are an equal opportunity employer and we strive to reduce unconscious bias throughout our hiring process. All applicants will be considered for employment without attention to ethnicity, religion, sexual orientation, gender identity, family or parental status, national origin, veteran, neurodiversity status or disability status. To ensure our recruitment processes provide an equal opportunity for all applicants to succeed, we encourage you to let us know if there are any adjustments that we can make.
Jan 01, 2026
Full time
Company Overview: Ori is setting a new standard for how AI worlds are built. We are the first AI Infrastructure provider with the native expertise, comprehensive capabilities, and end-to-end flexibility to support any model, team, or scale. As a fast-growing startup backed by leading investors, we value ambition, accessibility, and collaboration, and are committed to pushing the boundaries of what's possible in the field of AI. Join our close-knit, global team and help us build the future of AI infrastructure! Job Description As a Software Engineer focused on Network and SDN, you'll design and build the software systems that define, automate, and operate Ori's network fabric. You'll work at the intersection of software engineering, distributed systems, and networking - writing the tools, controllers, and services that enable Ori's global high-performance infrastructure to scale dynamically across multiple data centres and clouds. The ideal candidate is a hands on software engineer with experience of automating network systems and cloud native designs. You thrive in hybrid infrastructure environments, enjoy building abstractions for complex systems, and have experience writing reliable automation that integrates tightly with hardware and orchestration platforms including Kubernetes and Ansible. What You'll Do: Design and develop SDN components and network automation systems to control data centre and interconnect networks, integrating APIs from Juniper, NVIDIA, and Cumulus platforms Develop scalable automation frameworks for deploying and managing physical and virtual networks, using Go, Python, and Kubernetes native controllers Build and maintain microservices responsible for IP address management, fabric provisioning, routing policies, and observability pipelines Design REST/gRPC APIs to interface with network and orchestration systems, exposing network capabilities as programmable services to internal teams and customer workloads Develop systems that ingest and process network telemetry (sFlow, SNMP, gNMI, Prometheus exporters) into Ori's central monitoring stack for observability Work closely with other software, infrastructure and SRE teams to align software systems with operational needs - ensuring reliability, observability, and maintainability of all automation Contribute to initiatives including CI/CD pipelines for network configurations, compliance testing, and validation in simulated environments Maintain high standards for code quality, observability, and maintainability through reviews and best practices What You Bring: 5+ years of professional software development experience, ideally with Go and Python Strong background in distributed systems, APIs, and cloud native application design Solid understanding of networking principles - BGP, EVPN, VXLAN, and L2/L3 overlays Experience interacting with programmable network platforms or vendor APIs (e.g. Juniper, NVIDIA/Cumulus) Experience with Ansible, Terraform, and GitOps workflows (Flux, ArgoCD), reproducible, version controlled infrastructure deployments Understanding of network virtualisation, overlays, and intent based configuration systems Familiarity with Prometheus, Grafana, or time series telemetry systems Experience integrating telemetry into automation or alerting pipelines Exposure to production grade, large scale infrastructure or HPC/AI environments Comfortable troubleshooting across software and hardware layers Preferred Skills (Nice to Have): Proficiency in Kubernetes networking, CNIs, ingress controllers, and service meshes. Familiarity with operators, CRDs, and custom controllers for managing infrastructure state. Experience developing or extending Kubernetes CNIs or operators. Understanding of eBPF networking or programmable data planes Familiarity with NVIDIA BlueField DPUs or SmartNIC offload architectures. Prior work in HPC, telco, or hyperscale network environments. Contributions to open source network automation or cloud native projects. What you'll bring: A systems mindset - you think about software, networking, and automation holistically. Curiosity and rigour - you dig deep into protocol behaviour and distributed systems. Empathy and collaboration - you work well with cross functional teams. The drive to build elegant, scalable systems that make complex infrastructure feel effortless. Qualities we look for: Set the standard: Every single day, you spot opportunities to constructively shake things up. Inspire the change: There's no blueprint for the future. You'll embrace challenges and change. You're real and you're true to yourself: We cherish and celebrate diversity so you'll feel right at home whoever you are and whoever you're talking to, you treat everyone the same. Why should you join us? What sets us apart is our blend of modern technology, competitive benefits, and an open, welcoming work culture that enables our people to thrive. Here are just some of the great things you can expect from us: Remote work, flexible hours: we offer a fully remote work schedule, with flexible working hours and trust in your productivity, we are in sync with your team's general locations and time zones to foster effective and seamless collaboration. 30 days of annual leave: we value your peace of mind. With 30 days off (excluding public holidays) and access to mental health resources, we make sure you're as strong mentally as you are professionally. A culture that emphasises results over hierarchy, process & ego: we place great emphasis on the quality, ingenuity and creativity of work. Open communication, regular feedback: we value smooth collaboration, direct and actionable feedback, and believe that leading with empathy and a growth mindset makes us better together. Learning Time: we all have dedicated learning time to focus on new skills, projects or interests that lay outside of your day to day job. Health & Wellbeing: we want everyone to feel healthy and happy, so we offer private medical insurance via Bupa. Cycle to Work Scheme: we're committed to building a sustainable business, so we encourage cycling to work. Gympass subscription to a variety of gyms and wellbeing apps Participation in the company shares program Enhanced parental pay & leave Diversity, Equity, Inclusion and Belonging We are an equal opportunity employer and we strive to reduce unconscious bias throughout our hiring process. All applicants will be considered for employment without attention to ethnicity, religion, sexual orientation, gender identity, family or parental status, national origin, veteran, neurodiversity status or disability status. To ensure our recruitment processes provide an equal opportunity for all applicants to succeed, we encourage you to let us know if there are any adjustments that we can make.
Senior Network Engineer
Bumble Inc.
Inclusion at Bumble Inc. Bumble Inc. is an equal opportunity employer and we strongly encourage people of all ages, colour, lesbian, gay, bisexual, transgender, queer and non-binary people, veterans, parents, people with disabilities, and neurodivergent people to apply. We're happy to make any reasonable adjustments that will help you feel more confident throughout the process, please don't hesitate to let us know how we can help. In your application, please feel free to note which pronouns you use (For example: she/her, he/him, they/them, etc). Bumble is seeking a Network Engineer to maintain a stable, predictable, controllable, and secure network. This role will be based in London, reporting to the Senior Infrastructure Manager, Data Centre What you'll do Support and evolve Bumble's global network infrastructure across multiple data centres and offices, including diagnostics of network subsystems within Linux servers (primarily CentOS/RHEL). Improve network reliability and operational efficiency through configuration management, automation, and continuous optimisation of BAU tasks. Contribute to the design, implementation, and operation of cloud networking as we migrate a significant portion of our workloads into cloud environments. Collaborate closely with Systems Engineering and SRE teams, sharing networking expertise, participating in design reviews, and shaping resilient, secure platform architectures. Manage relationships with global service providers, including IP transit operators, to ensure optimal performance, availability, and accountability. Own IP address management, including subnet allocation, VLAN design, and maintaining accurate documentation. Strengthen Bumble's security posture by contributing to perimeter defence, segmentation strategy, and proactive threat prevention. Participate in the on-call rota to maintain platform availability and support timely incident response. Qualifications Must-Have Qualifications 3+ years of hands on Linux systems engineering experience (preferably rpm-based distributions such as RHEL or CentOS). Strong diagnostic and troubleshooting skills spanning application performance, traffic-delivery issues, and complex multi-layer networking challenges. Deep understanding of networking across L1-L4 and L7, including copper/optics, Ethernet, and static/dynamic routing. Production experience with IS-IS and BGP (OSPF familiarity beneficial). Extensive hands on experience with Juniper MX, SRX, and QFX devices. Practical experience implementing and supporting EVPN-VXLAN architectures. Strong background in load balancing (CARP, IPVS, userspace, or enterprise solutions) and packet filtering. Experience building and supporting cloud networking architectures (VPC structures, virtual routing, firewalling, hybrid connectivity, etc.). Proficiency with 802.1X, 802.1Q, and bonding/teaming at both the server and network hardware layers. Strong diagnostic capabilities with IPv4, ICMP, TCP, UDP, DHCP, and DNS (IPv6 is a plus). Ability to perform end to end troubleshooting-from switch ports and optical links down to Linux kernel networking, NIC behaviour, iptables/nftables, and iproute2. Experience designing or operating DDoS mitigation strategies. Proven effectiveness working within cross functional engineering teams. Experience supporting a segmented, heterogeneous network environment (300+ dataports). Solid understanding of information security principles with the ability to balance practicality and protection. Nice-to-Have Qualifications Experience working with CDNs and high traffic systems. Familiarity with network automation and infrastructure as code tooling (Terraform, Ansible, or similar). Exposure to network telemetry, observability systems, or flow analysis platforms. Experience designing or deploying IPv6 at scale. Background in collaborating within SRE or platform engineering environments. About Us Bumble Inc. is the parent company of Bumble Date, BFF, and Badoo. The Bumble platform enables people to build healthy and equitable relationships, through Kind Connections. Founded by Whitney Wolfe Herd in 2014, Bumble was one of the first dating apps built with women at the center and connects people across dating (Bumble Date) and friendship (BFF). BFF is a friendship app where people in all stages of life can meet people nearby and create meaningful platonic connections and community based on shared interests. Badoo, which was founded in 2006, is one of the pioneers of web and mobile dating products. AI in Bumble Inc. Hiring At Bumble, we may use AI tools to support parts of our recruitment process - such as helping us record, transcribe, and summarize conversations, and supporting job alignment by comparing resumes and job descriptions to highlight skills and potential roles that may be a good match. These tools help us work more efficiently and stay focused on you during our conversations. Importantly, all hiring decisions are made by people. AI is used only to support our team's efficiency and improve the candidate experience - not to evaluate or decide on your candidacy. Participation in AI supported interviews and conversations is completely voluntary and will not impact your candidacy. If you'd prefer to opt out, simply let your recruiter or interviewer know at the start of a call, or anytime during the interview or conversation. Summaries and related data are retained only as long as needed in line with our internal data retention policies. If at any point you'd like a transcription or summary deleted, please contact your recruiter directly. For further information on how we hold and manage your data, please refer to our Privacy Policy.
Jan 01, 2026
Full time
Inclusion at Bumble Inc. Bumble Inc. is an equal opportunity employer and we strongly encourage people of all ages, colour, lesbian, gay, bisexual, transgender, queer and non-binary people, veterans, parents, people with disabilities, and neurodivergent people to apply. We're happy to make any reasonable adjustments that will help you feel more confident throughout the process, please don't hesitate to let us know how we can help. In your application, please feel free to note which pronouns you use (For example: she/her, he/him, they/them, etc). Bumble is seeking a Network Engineer to maintain a stable, predictable, controllable, and secure network. This role will be based in London, reporting to the Senior Infrastructure Manager, Data Centre What you'll do Support and evolve Bumble's global network infrastructure across multiple data centres and offices, including diagnostics of network subsystems within Linux servers (primarily CentOS/RHEL). Improve network reliability and operational efficiency through configuration management, automation, and continuous optimisation of BAU tasks. Contribute to the design, implementation, and operation of cloud networking as we migrate a significant portion of our workloads into cloud environments. Collaborate closely with Systems Engineering and SRE teams, sharing networking expertise, participating in design reviews, and shaping resilient, secure platform architectures. Manage relationships with global service providers, including IP transit operators, to ensure optimal performance, availability, and accountability. Own IP address management, including subnet allocation, VLAN design, and maintaining accurate documentation. Strengthen Bumble's security posture by contributing to perimeter defence, segmentation strategy, and proactive threat prevention. Participate in the on-call rota to maintain platform availability and support timely incident response. Qualifications Must-Have Qualifications 3+ years of hands on Linux systems engineering experience (preferably rpm-based distributions such as RHEL or CentOS). Strong diagnostic and troubleshooting skills spanning application performance, traffic-delivery issues, and complex multi-layer networking challenges. Deep understanding of networking across L1-L4 and L7, including copper/optics, Ethernet, and static/dynamic routing. Production experience with IS-IS and BGP (OSPF familiarity beneficial). Extensive hands on experience with Juniper MX, SRX, and QFX devices. Practical experience implementing and supporting EVPN-VXLAN architectures. Strong background in load balancing (CARP, IPVS, userspace, or enterprise solutions) and packet filtering. Experience building and supporting cloud networking architectures (VPC structures, virtual routing, firewalling, hybrid connectivity, etc.). Proficiency with 802.1X, 802.1Q, and bonding/teaming at both the server and network hardware layers. Strong diagnostic capabilities with IPv4, ICMP, TCP, UDP, DHCP, and DNS (IPv6 is a plus). Ability to perform end to end troubleshooting-from switch ports and optical links down to Linux kernel networking, NIC behaviour, iptables/nftables, and iproute2. Experience designing or operating DDoS mitigation strategies. Proven effectiveness working within cross functional engineering teams. Experience supporting a segmented, heterogeneous network environment (300+ dataports). Solid understanding of information security principles with the ability to balance practicality and protection. Nice-to-Have Qualifications Experience working with CDNs and high traffic systems. Familiarity with network automation and infrastructure as code tooling (Terraform, Ansible, or similar). Exposure to network telemetry, observability systems, or flow analysis platforms. Experience designing or deploying IPv6 at scale. Background in collaborating within SRE or platform engineering environments. About Us Bumble Inc. is the parent company of Bumble Date, BFF, and Badoo. The Bumble platform enables people to build healthy and equitable relationships, through Kind Connections. Founded by Whitney Wolfe Herd in 2014, Bumble was one of the first dating apps built with women at the center and connects people across dating (Bumble Date) and friendship (BFF). BFF is a friendship app where people in all stages of life can meet people nearby and create meaningful platonic connections and community based on shared interests. Badoo, which was founded in 2006, is one of the pioneers of web and mobile dating products. AI in Bumble Inc. Hiring At Bumble, we may use AI tools to support parts of our recruitment process - such as helping us record, transcribe, and summarize conversations, and supporting job alignment by comparing resumes and job descriptions to highlight skills and potential roles that may be a good match. These tools help us work more efficiently and stay focused on you during our conversations. Importantly, all hiring decisions are made by people. AI is used only to support our team's efficiency and improve the candidate experience - not to evaluate or decide on your candidacy. Participation in AI supported interviews and conversations is completely voluntary and will not impact your candidacy. If you'd prefer to opt out, simply let your recruiter or interviewer know at the start of a call, or anytime during the interview or conversation. Summaries and related data are retained only as long as needed in line with our internal data retention policies. If at any point you'd like a transcription or summary deleted, please contact your recruiter directly. For further information on how we hold and manage your data, please refer to our Privacy Policy.
Senior Network Engineer 291677
Little Fish (UK) Ltd. Nottingham, Nottinghamshire
Work location: Nottingham or Sheffield hybrid. The current team collaboration day is Wednesday. Must Be eligible for SC (Must of lived in the UK for the past 5 years) Here at Littlefish, we look for people who can make a real difference and become a giant slayer. As the world around us continues to change, we look for people who grab that change with optimism and excitement. These are the passionate and high performing people who enjoy and thrive on thinking outside the box. Our current employees are the giant slayers who have made Littlefish who we are today, and you will be the future employees who continue to add the drive, passion, and add to our skills and experience as we see Littlefish grow. So, if this is ticking your boxes and you are excited at the thought of working with creative, passionate, energetic, friendly people - we would love to hear from you. The role and what you'll be getting up to on a day to day basis: At Littlefish, we don't just fix networks - we redefine them. We're on the lookout for a Senior Network Engineer who's not only technical but thrives on mentoring others, solving complex challenges, and shaping the future of our infrastructure. This isn't your average engineering role. You'll be the go-to expert, the calm in the storm during major incidents, and the voice of clarity when things get complex. If you're ready to lead from the front and make a real impact - we want to hear from you. You will be: Leading a small but mighty team of network engineers. Owning complex technical issues and high-priority customer tickets. Acting as a senior escalation point and subject matter expert. Driving best practices, automation, and future tech adoption. Supporting major incident resolution and mentoring engineers. Approving high-risk changes and reviewing incident reports. Shaping our network roadmap and onboarding new customers. About you: Proven experience in network engineering (MSP experience a plus). Deep knowledge of routing/switching (BGP, OSPF, EIGRP). Hands-on with Cisco, Juniper, Fortinet, or similar. Strong grasp of network security (firewalls, IDS/IPS, NAC). Skilled with tools like SolarWinds, LogicMonitor, etc. Excellent communicator and documentation wizard. You may also have: Experience with cloud networking (especially Azure). Familiarity with SDN, SASE, and zero trust architectures. What can we offer you? Through our one of a kind training programme, the Littlefish Academy, you can increase your earnings by £4,500 Referral bonus scheme of £1000 when you successfully refer a friend. Access to our LinkedIn Learning platform, with over 16,000 expert-led online tutorials to enhance and achieve your personal and professional goals. Healthcare cash plan. This will give you access to online GP appointments, 24/7 access to qualified counsellors and cash back against a range of general healthcare Casual dress policy Company Pension Scheme Company social events 25 days annual leave plus public / bank holidays Purchase and sale of annual leave scheme Life at Littlefish: Our company values shape who we are as a business, what we stand for and how we work. Hiring people with our values at heart is very important as we see Littlefish grow. I am High Performing- I like to raise the bar, we look at creating opportunities to increase quality and improve efficiency, we strive for service excellence. I am Passionate- We build team success and celebrate them together, I am enthusiastic and energetic, I care about the people I work with and we support one another. I Have a Can-Do Attitude- I am not afraid to step outside my comfort zone, we are not afraid to challenge status quo, we get stuff done! So, if you feel like you can make a tangible difference, apply today, and join us on this journey. Here at Littlefish we aim to be somewhere everyone can be themselves. We are committed to encouraging a diverse and inclusive community where everyone irrespective of who they are, or their background, can feel equal and supported. We encourage applications from people of all backgrounds. Please get in touch if you are concerned about any difficulties you may face during your recruitment process, so we adjust accordingly. Part of our application process includes a set of ED&I (Equality, diversity and inclusion) questions. Please note, each question has a 'prefer not to say' option.
Jan 01, 2026
Full time
Work location: Nottingham or Sheffield hybrid. The current team collaboration day is Wednesday. Must Be eligible for SC (Must of lived in the UK for the past 5 years) Here at Littlefish, we look for people who can make a real difference and become a giant slayer. As the world around us continues to change, we look for people who grab that change with optimism and excitement. These are the passionate and high performing people who enjoy and thrive on thinking outside the box. Our current employees are the giant slayers who have made Littlefish who we are today, and you will be the future employees who continue to add the drive, passion, and add to our skills and experience as we see Littlefish grow. So, if this is ticking your boxes and you are excited at the thought of working with creative, passionate, energetic, friendly people - we would love to hear from you. The role and what you'll be getting up to on a day to day basis: At Littlefish, we don't just fix networks - we redefine them. We're on the lookout for a Senior Network Engineer who's not only technical but thrives on mentoring others, solving complex challenges, and shaping the future of our infrastructure. This isn't your average engineering role. You'll be the go-to expert, the calm in the storm during major incidents, and the voice of clarity when things get complex. If you're ready to lead from the front and make a real impact - we want to hear from you. You will be: Leading a small but mighty team of network engineers. Owning complex technical issues and high-priority customer tickets. Acting as a senior escalation point and subject matter expert. Driving best practices, automation, and future tech adoption. Supporting major incident resolution and mentoring engineers. Approving high-risk changes and reviewing incident reports. Shaping our network roadmap and onboarding new customers. About you: Proven experience in network engineering (MSP experience a plus). Deep knowledge of routing/switching (BGP, OSPF, EIGRP). Hands-on with Cisco, Juniper, Fortinet, or similar. Strong grasp of network security (firewalls, IDS/IPS, NAC). Skilled with tools like SolarWinds, LogicMonitor, etc. Excellent communicator and documentation wizard. You may also have: Experience with cloud networking (especially Azure). Familiarity with SDN, SASE, and zero trust architectures. What can we offer you? Through our one of a kind training programme, the Littlefish Academy, you can increase your earnings by £4,500 Referral bonus scheme of £1000 when you successfully refer a friend. Access to our LinkedIn Learning platform, with over 16,000 expert-led online tutorials to enhance and achieve your personal and professional goals. Healthcare cash plan. This will give you access to online GP appointments, 24/7 access to qualified counsellors and cash back against a range of general healthcare Casual dress policy Company Pension Scheme Company social events 25 days annual leave plus public / bank holidays Purchase and sale of annual leave scheme Life at Littlefish: Our company values shape who we are as a business, what we stand for and how we work. Hiring people with our values at heart is very important as we see Littlefish grow. I am High Performing- I like to raise the bar, we look at creating opportunities to increase quality and improve efficiency, we strive for service excellence. I am Passionate- We build team success and celebrate them together, I am enthusiastic and energetic, I care about the people I work with and we support one another. I Have a Can-Do Attitude- I am not afraid to step outside my comfort zone, we are not afraid to challenge status quo, we get stuff done! So, if you feel like you can make a tangible difference, apply today, and join us on this journey. Here at Littlefish we aim to be somewhere everyone can be themselves. We are committed to encouraging a diverse and inclusive community where everyone irrespective of who they are, or their background, can feel equal and supported. We encourage applications from people of all backgrounds. Please get in touch if you are concerned about any difficulties you may face during your recruitment process, so we adjust accordingly. Part of our application process includes a set of ED&I (Equality, diversity and inclusion) questions. Please note, each question has a 'prefer not to say' option.
Senior Network Engineer
DXC Technology Inc. City, Newcastle Upon Tyne
Job Description: The position is a Senior Network Engineering role. Expectation is the successful candidate will cover BAU project and support activities ultimately with an expectation to become part of a 24x7 On-Call rota. This role is hybrid with 2 days in office at either our Erskine or Newcastle site. Successful candidate should have or be willing to obtain SC clearance. To meet criteria you will be a British Citizen with no other citizenships and lived in the UK for the last 5 years Job Summary: This Network Engineering role focusses on both the support and implementation of Network infrastructures in a large multi-vendor multi-site environment for a DXC Customer. Role focus will cover LAN, WAN, Firewall, WiFi, Load Balancing, IPAM and Security infrastructures, both onsite and remote, with a key focus on Cisco, Palo Alto, Juniper, F5, Infoblox, RSA and Broadcom product portfolio.Expectation is the successful candidate will have 5 to 10 years proven work experience in a challenging, multi-vendor environment working as part of a team delivering both project engineering and Network support functions. Key Responsibilities: Network Maintenance and Troubleshooting: Maintain data network hardware and systems. Investigate and resolve network and hardware issues. Analyze, isolate, and troubleshoot network errors. Assess and upgrade legacy network components as needed. Technical Support and Leadership: Provide technical support for both internal and external customers. Respond to technical inquiries and recommend solutions. Lead network problem escalation and resolution. Network Installation and Configuration: Install and maintain network infrastructure, including hardware, software, and system data for small to medium-sized networks. Deploy network applications on servers and voice equipment. Conduct network testing, maintenance, and problem resolution. Perform network configurations and implement configuration changes on Routers, Switches, Firewalls and Security appliances. Documentation and Communication: Prepare network diagrams and documentation to reflect current Network operational status. Draft proposal documentation to address customer requirements. Mandatory Skills: Cisco LAN / WAN skills equivalent to CCNP level. Demonstrable experience working in a large-scale multi-vendor complex environment. Strong technical documentation skills. Experience with complex routing protocols, including OSPF, BGP, and iBGP. Experience working with large scale structured cabling infrastructures in a production / manufacturing environment. Experience working with firewalls, ideally Palo Alto, Cisco or Juniper Firewalls. Other Skills: Experience working with two or more of the following: - Configuring and managing IPSec tunnels on firewalls and routers. Cisco WiFi deployment and management InfoBlox IPAM service Cisco AnyConnect deployed on Firepowers (running ASA OS) Broadcom proxies F5 Load Balancers RSA 2 factor Authentication services Basic Qualifications: Experience in data networking with Cisco infrastructures. Proven experience troubleshooting LAN / WAN / FW systems and technical infrastructure. Knowledge of modern network systems, networking principles, and data or video communication. Eligible for or currently possess SC clearance (Mandatory). At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We're committed to fostering an inclusive environment where everyone can thrive.Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available . DXC Technology (NYSE: DXC) helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability across public, private and hybrid clouds. The world's largest companies and public sector organizations trust DXC to deploy services to drive new levels of performance, competitiveness, and customer experience across their IT estates. Learn more about how we deliver excellence for our customers and colleagues at .
Jan 01, 2026
Full time
Job Description: The position is a Senior Network Engineering role. Expectation is the successful candidate will cover BAU project and support activities ultimately with an expectation to become part of a 24x7 On-Call rota. This role is hybrid with 2 days in office at either our Erskine or Newcastle site. Successful candidate should have or be willing to obtain SC clearance. To meet criteria you will be a British Citizen with no other citizenships and lived in the UK for the last 5 years Job Summary: This Network Engineering role focusses on both the support and implementation of Network infrastructures in a large multi-vendor multi-site environment for a DXC Customer. Role focus will cover LAN, WAN, Firewall, WiFi, Load Balancing, IPAM and Security infrastructures, both onsite and remote, with a key focus on Cisco, Palo Alto, Juniper, F5, Infoblox, RSA and Broadcom product portfolio.Expectation is the successful candidate will have 5 to 10 years proven work experience in a challenging, multi-vendor environment working as part of a team delivering both project engineering and Network support functions. Key Responsibilities: Network Maintenance and Troubleshooting: Maintain data network hardware and systems. Investigate and resolve network and hardware issues. Analyze, isolate, and troubleshoot network errors. Assess and upgrade legacy network components as needed. Technical Support and Leadership: Provide technical support for both internal and external customers. Respond to technical inquiries and recommend solutions. Lead network problem escalation and resolution. Network Installation and Configuration: Install and maintain network infrastructure, including hardware, software, and system data for small to medium-sized networks. Deploy network applications on servers and voice equipment. Conduct network testing, maintenance, and problem resolution. Perform network configurations and implement configuration changes on Routers, Switches, Firewalls and Security appliances. Documentation and Communication: Prepare network diagrams and documentation to reflect current Network operational status. Draft proposal documentation to address customer requirements. Mandatory Skills: Cisco LAN / WAN skills equivalent to CCNP level. Demonstrable experience working in a large-scale multi-vendor complex environment. Strong technical documentation skills. Experience with complex routing protocols, including OSPF, BGP, and iBGP. Experience working with large scale structured cabling infrastructures in a production / manufacturing environment. Experience working with firewalls, ideally Palo Alto, Cisco or Juniper Firewalls. Other Skills: Experience working with two or more of the following: - Configuring and managing IPSec tunnels on firewalls and routers. Cisco WiFi deployment and management InfoBlox IPAM service Cisco AnyConnect deployed on Firepowers (running ASA OS) Broadcom proxies F5 Load Balancers RSA 2 factor Authentication services Basic Qualifications: Experience in data networking with Cisco infrastructures. Proven experience troubleshooting LAN / WAN / FW systems and technical infrastructure. Knowledge of modern network systems, networking principles, and data or video communication. Eligible for or currently possess SC clearance (Mandatory). At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We're committed to fostering an inclusive environment where everyone can thrive.Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available . DXC Technology (NYSE: DXC) helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability across public, private and hybrid clouds. The world's largest companies and public sector organizations trust DXC to deploy services to drive new levels of performance, competitiveness, and customer experience across their IT estates. Learn more about how we deliver excellence for our customers and colleagues at .
Senior Network Engineer - Hybrid, Multi-Vendor, SC Clearance
DXC Technology Inc. City, Newcastle Upon Tyne
A global technology firm in Scotland is seeking a Senior Network Engineer to manage both support and implementation tasks for network infrastructures across multiple sites. The ideal candidate will have 5-10 years of experience in a multi-vendor environment, along with strong Cisco, Palo Alto, and Juniper skills. This hybrid role requires SC clearance and offers a collaborative work approach within a supportive team environment.
Jan 01, 2026
Full time
A global technology firm in Scotland is seeking a Senior Network Engineer to manage both support and implementation tasks for network infrastructures across multiple sites. The ideal candidate will have 5-10 years of experience in a multi-vendor environment, along with strong Cisco, Palo Alto, and Juniper skills. This hybrid role requires SC clearance and offers a collaborative work approach within a supportive team environment.
London Stock Exchange Group
Network Engineer
London Stock Exchange Group
Career Stage: Senior Associate London Stock Exchange Group (LSEG) Information: Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership , Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.Please take a moment to read this carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, .If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.Position Summary The role includes ongoing support and reliability of the LSEG ecosystem (Platforms, Networks, Applications, Services, and Websites). The focus of this role is to provide 1st/ 2nd / 3rd / 4th line support to the Operations and Project Delivery (Implementation) functions, ensuring operational stability and ongoing adaptability of the LSEG global network. Key responsibilities are creating and maintaining software automation that provides the reliability and availability of digital platforms and their software delivery pipelines. Role Responsibilities Supports the technology lifecycle through the design, build and maintenance of systems Administer LSEG network services, ensuring applications and services perform against baselines levels Monitors network services, focusing on availability, while identifying improvement opportunities Handles service providers (telcos), third parties and partners as required Makes technical design and amendment decisions and independently handles workloads Crafts, reviews and maintains documentation, complaint with LSEG (industry) standards Defines lifecycle management strategies for hardware and software, including capacity considerations Supports the deployment of emerging engineering patterns across development teams Translates business requirements into technical (network) requirements, through analysis of data Collaborates to multiple projects in parallel providing regular updates to multiple partners Builds and validates technical requirements, with emphasis on performance, resilience and operability Gets involved into design work in the infrastructure and network domain, providing innovative solutions, Support day to day network operational issues and manage enterprise network. Required Skills & Experience Rich experience in identifying and solving network issues, end-to-end. Significant experience of routing and switching and Routing protocols (CCNA/CCNP preferred) Significant experience in network operations, project delivery and engineering Excellent experience in managing enterprise networks Good in handling DDI/infloblox(L1 Support) Excellent in handling and managing Wireless infra. Significant experience with network technologies, including Cisco, Juniper, Arista, Fortinet & F5 - at least 2 of these Excellent network skills, including HSRP, NAT, MPLS, VPN, GRE, BGP and OSPF Basic multicast skills, including IGMP, RP and PIM Basic knowledge of firewall technologies, including next generation features & function Basic knowledge of load balancing technologies, including application delivery control Good knowledge of network packet captures, tooling and ability to analyse Good knowledge of datacenter networking including Software Defined Networking, Cisco ACI, VxLAN Good scripting and automation experience (Python, Ansible, Terraform, GIT, GitLab, Rundeck, etc) Outstanding interpersonal skills, both spoken (verbal) and written English language abilities Required Skills & Experience Previous experience working in/with Architecture / Engineering / network operation teams Previous experience working with banking infra and supporting financial institution network Experience in Cloud, specifically cloud networking standard methodologies Proven exposure to financial sector, including low latency (trading) environments Experience in managing and handling Enterprise network.LSEG (London Stock Exchange Group) is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our culture of connecting, creating opportunity and delivering excellence shapes how we think, how we do things and how we help our people fulfil their potential.
Jan 01, 2026
Full time
Career Stage: Senior Associate London Stock Exchange Group (LSEG) Information: Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership , Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.Please take a moment to read this carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, .If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.Position Summary The role includes ongoing support and reliability of the LSEG ecosystem (Platforms, Networks, Applications, Services, and Websites). The focus of this role is to provide 1st/ 2nd / 3rd / 4th line support to the Operations and Project Delivery (Implementation) functions, ensuring operational stability and ongoing adaptability of the LSEG global network. Key responsibilities are creating and maintaining software automation that provides the reliability and availability of digital platforms and their software delivery pipelines. Role Responsibilities Supports the technology lifecycle through the design, build and maintenance of systems Administer LSEG network services, ensuring applications and services perform against baselines levels Monitors network services, focusing on availability, while identifying improvement opportunities Handles service providers (telcos), third parties and partners as required Makes technical design and amendment decisions and independently handles workloads Crafts, reviews and maintains documentation, complaint with LSEG (industry) standards Defines lifecycle management strategies for hardware and software, including capacity considerations Supports the deployment of emerging engineering patterns across development teams Translates business requirements into technical (network) requirements, through analysis of data Collaborates to multiple projects in parallel providing regular updates to multiple partners Builds and validates technical requirements, with emphasis on performance, resilience and operability Gets involved into design work in the infrastructure and network domain, providing innovative solutions, Support day to day network operational issues and manage enterprise network. Required Skills & Experience Rich experience in identifying and solving network issues, end-to-end. Significant experience of routing and switching and Routing protocols (CCNA/CCNP preferred) Significant experience in network operations, project delivery and engineering Excellent experience in managing enterprise networks Good in handling DDI/infloblox(L1 Support) Excellent in handling and managing Wireless infra. Significant experience with network technologies, including Cisco, Juniper, Arista, Fortinet & F5 - at least 2 of these Excellent network skills, including HSRP, NAT, MPLS, VPN, GRE, BGP and OSPF Basic multicast skills, including IGMP, RP and PIM Basic knowledge of firewall technologies, including next generation features & function Basic knowledge of load balancing technologies, including application delivery control Good knowledge of network packet captures, tooling and ability to analyse Good knowledge of datacenter networking including Software Defined Networking, Cisco ACI, VxLAN Good scripting and automation experience (Python, Ansible, Terraform, GIT, GitLab, Rundeck, etc) Outstanding interpersonal skills, both spoken (verbal) and written English language abilities Required Skills & Experience Previous experience working in/with Architecture / Engineering / network operation teams Previous experience working with banking infra and supporting financial institution network Experience in Cloud, specifically cloud networking standard methodologies Proven exposure to financial sector, including low latency (trading) environments Experience in managing and handling Enterprise network.LSEG (London Stock Exchange Group) is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our culture of connecting, creating opportunity and delivering excellence shapes how we think, how we do things and how we help our people fulfil their potential.
Senior Network Engineer
Mimecast Limited
Senior Network Engineer page is loaded Senior Network Engineerlocations: Great Britain - Londontime type: Full timeposted on: Posted Todayjob requisition id: R6132 Senior Network Engineer About the Company: Join a passionate and innovative team dedicated to designing, implementing, and supporting robust network infrastructure across Mimecast's global corporate operations. We're committed to leveraging cutting-edge networking technologies, automation tools, and best practices to deliver reliable, secure, and high-performance connectivity that enables seamless communications, enhances productivity and provides exceptional user experiences for our worldwide family of Mimecasters. Role Overview: As a Senior Network Engineer, you will be responsible for the day-to-day operation, troubleshooting, and continuous improvement of Mimecast's global corporate network infrastructure. You'll work with diverse networking platforms including Cisco, Juniper, and Aruba to maintain optimal performance and availability. Collaborating closely with IT, Security, and Workspace teams, you'll resolve complex network issues, implement strategic upgrades, and leverage automation to enhance operational efficiency across Mimecast worldwide operations. What You'll Do: Design, build, and maintain network infrastructure across Mimecast's global office locations, including edge routing, enterprise switching, and wireless systems to support hybrid workforce connectivity. Monitor, troubleshoot, and resolve complex network issues affecting LAN, WAN, SD-WAN, SASE, and wireless services, ensuring optimal performance and minimal downtime for both on-site and remote users. Configure and maintain out-of-band management infrastructure to ensure administrative access and recovery capabilities across all network devices globally. Collaborate with Security teams to implement and maintain network security policies, access controls, and segmentation strategies that protect corporate assets and user data. Partner with Workspace and IT teams to ensure network infrastructure supports collaboration platforms, productivity tools, and hybrid work technologies seamlessly. Develop and maintain comprehensive network documentation, including topology diagrams, configuration standards, runbooks, and change management procedures. Lead network upgrade projects and technology refresh initiatives, evaluating new solutions and implementing strategic improvements to enhance performance and scalability. Leverage automation tools and scripting to streamline network operations, reduce manual tasks, and improve configuration consistency across multi-vendor environments. Participate in on-call operations to provide 24/7 network support for critical incidents affecting Mimecast's global workforce. Engage with business stakeholders and end users to understand Mimecast's evolving business needs and continuously enhance the digital user experience. What You'll Bring: A wealth of experience with enterprise network engineering experience with demonstrated expertise in designing, implementing, and supporting large-scale network infrastructure Extensive hands-on experience with Juniper platforms including Mist, EX switches, and SRX firewalls, including configuration, troubleshooting and optimization. Strong proficiency with Cisco Meraki solutions for network management, including cloud-managed switching, wireless, and security appliances. Proven experience deploying and managing Aruba wireless infrastructure in enterprise environments with multiple sites and diverse user populations. Working knowledge of Opengear or similar out-of-band management platforms for remote device access and network recovery. Experience with SASE (Secure Access Service Edge) and ZTNA (Zero Trust Network Access) solutions supporting secure hybrid cloud and remote workforce connectivity. Comprehensive enterprise wireless planning expertise including RF site surveys, heat mapping, interference analysis, capacity optimization, and adapting to evolving wireless spectrum standards (Wi-Fi 6/6E/7) Strong understanding of network protocols including BGP, OSPF, spanning tree, VLANs, VPN technologies, and QoS implementations. Experience with network automation and scripting using tools such as Python, Ansible, or similar technologies to streamline operations and ensure consistency. Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent practical experience. Preferred industry certifications such as CCNP, CCIE, JNCP, etc. Exceptional communication, interpersonal, and collaboration skills with a focus on delivering outstanding user experiences. Based in the London, UK office working in a hybrid environment, with flexibility for occasional on-call support and travel requirements. What We Bring: Join our Network team to accelerate your career journey, working with cutting-edge technologies and contributing to projects that have real customer impact. You will be immersed in a dynamic environment that recognizes and celebrates your achievements.Mimecast offers formal and on the job learning opportunities, maintains a comprehensive benefits package that helps our employees and their family members to sustain a healthy lifestyle, and importantly - working in cross functional teams to build your knowledge! Our Hybrid Model: We provide you with the flexibility to live balanced, healthy lives through our hybrid working model that champions both collaborative teamwork and individual flexibility. Employees are expected to come to the office at least two days per week, because working together in person: Fosters a culture of collaboration, communication, performance and learning. Drives innovation and creativity within and between teams. Introduces employees to priorities outside of their immediate realm. Ensures important interpersonal relationships and connections with one another and our community! The base salary range for this position is £64,000 £96,000 plus benefits. This range represents the minimum and maximum new hire compensation for this role. The position may also be eligible for incentive plans and additional benefits, in accordance with company policy and local regulations. Our salary ranges are determined by role, level, and location with individual compensation also dependent on factors such as qualifications, experience, and skills. Final offers will reflect these considerations and may vary accordingly. Belonging at Mimecast Cybersecurity is a community effort. That's why we're committed to building an inclusive, diverse community that celebrates and welcomes everyone - unless they're a cybercriminal, of course.We're proud to be an Equal Opportunity and Affirmative Action Employer, and we'd encourage you to join us whatever your background. We particularly welcome applicants from traditionally underrepresented groups.We consider everyone equally: your race, age, religion, sexual orientation, gender identity, ability, marital status, nationality, or any other protected characteristic won't affect your application. Due to certain obligations to our customers, an offer of employment will be subject to your successful completion of applicable background checks, conducted in accordance with local law. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment.
Jan 01, 2026
Full time
Senior Network Engineer page is loaded Senior Network Engineerlocations: Great Britain - Londontime type: Full timeposted on: Posted Todayjob requisition id: R6132 Senior Network Engineer About the Company: Join a passionate and innovative team dedicated to designing, implementing, and supporting robust network infrastructure across Mimecast's global corporate operations. We're committed to leveraging cutting-edge networking technologies, automation tools, and best practices to deliver reliable, secure, and high-performance connectivity that enables seamless communications, enhances productivity and provides exceptional user experiences for our worldwide family of Mimecasters. Role Overview: As a Senior Network Engineer, you will be responsible for the day-to-day operation, troubleshooting, and continuous improvement of Mimecast's global corporate network infrastructure. You'll work with diverse networking platforms including Cisco, Juniper, and Aruba to maintain optimal performance and availability. Collaborating closely with IT, Security, and Workspace teams, you'll resolve complex network issues, implement strategic upgrades, and leverage automation to enhance operational efficiency across Mimecast worldwide operations. What You'll Do: Design, build, and maintain network infrastructure across Mimecast's global office locations, including edge routing, enterprise switching, and wireless systems to support hybrid workforce connectivity. Monitor, troubleshoot, and resolve complex network issues affecting LAN, WAN, SD-WAN, SASE, and wireless services, ensuring optimal performance and minimal downtime for both on-site and remote users. Configure and maintain out-of-band management infrastructure to ensure administrative access and recovery capabilities across all network devices globally. Collaborate with Security teams to implement and maintain network security policies, access controls, and segmentation strategies that protect corporate assets and user data. Partner with Workspace and IT teams to ensure network infrastructure supports collaboration platforms, productivity tools, and hybrid work technologies seamlessly. Develop and maintain comprehensive network documentation, including topology diagrams, configuration standards, runbooks, and change management procedures. Lead network upgrade projects and technology refresh initiatives, evaluating new solutions and implementing strategic improvements to enhance performance and scalability. Leverage automation tools and scripting to streamline network operations, reduce manual tasks, and improve configuration consistency across multi-vendor environments. Participate in on-call operations to provide 24/7 network support for critical incidents affecting Mimecast's global workforce. Engage with business stakeholders and end users to understand Mimecast's evolving business needs and continuously enhance the digital user experience. What You'll Bring: A wealth of experience with enterprise network engineering experience with demonstrated expertise in designing, implementing, and supporting large-scale network infrastructure Extensive hands-on experience with Juniper platforms including Mist, EX switches, and SRX firewalls, including configuration, troubleshooting and optimization. Strong proficiency with Cisco Meraki solutions for network management, including cloud-managed switching, wireless, and security appliances. Proven experience deploying and managing Aruba wireless infrastructure in enterprise environments with multiple sites and diverse user populations. Working knowledge of Opengear or similar out-of-band management platforms for remote device access and network recovery. Experience with SASE (Secure Access Service Edge) and ZTNA (Zero Trust Network Access) solutions supporting secure hybrid cloud and remote workforce connectivity. Comprehensive enterprise wireless planning expertise including RF site surveys, heat mapping, interference analysis, capacity optimization, and adapting to evolving wireless spectrum standards (Wi-Fi 6/6E/7) Strong understanding of network protocols including BGP, OSPF, spanning tree, VLANs, VPN technologies, and QoS implementations. Experience with network automation and scripting using tools such as Python, Ansible, or similar technologies to streamline operations and ensure consistency. Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent practical experience. Preferred industry certifications such as CCNP, CCIE, JNCP, etc. Exceptional communication, interpersonal, and collaboration skills with a focus on delivering outstanding user experiences. Based in the London, UK office working in a hybrid environment, with flexibility for occasional on-call support and travel requirements. What We Bring: Join our Network team to accelerate your career journey, working with cutting-edge technologies and contributing to projects that have real customer impact. You will be immersed in a dynamic environment that recognizes and celebrates your achievements.Mimecast offers formal and on the job learning opportunities, maintains a comprehensive benefits package that helps our employees and their family members to sustain a healthy lifestyle, and importantly - working in cross functional teams to build your knowledge! Our Hybrid Model: We provide you with the flexibility to live balanced, healthy lives through our hybrid working model that champions both collaborative teamwork and individual flexibility. Employees are expected to come to the office at least two days per week, because working together in person: Fosters a culture of collaboration, communication, performance and learning. Drives innovation and creativity within and between teams. Introduces employees to priorities outside of their immediate realm. Ensures important interpersonal relationships and connections with one another and our community! The base salary range for this position is £64,000 £96,000 plus benefits. This range represents the minimum and maximum new hire compensation for this role. The position may also be eligible for incentive plans and additional benefits, in accordance with company policy and local regulations. Our salary ranges are determined by role, level, and location with individual compensation also dependent on factors such as qualifications, experience, and skills. Final offers will reflect these considerations and may vary accordingly. Belonging at Mimecast Cybersecurity is a community effort. That's why we're committed to building an inclusive, diverse community that celebrates and welcomes everyone - unless they're a cybercriminal, of course.We're proud to be an Equal Opportunity and Affirmative Action Employer, and we'd encourage you to join us whatever your background. We particularly welcome applicants from traditionally underrepresented groups.We consider everyone equally: your race, age, religion, sexual orientation, gender identity, ability, marital status, nationality, or any other protected characteristic won't affect your application. Due to certain obligations to our customers, an offer of employment will be subject to your successful completion of applicable background checks, conducted in accordance with local law. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment.
Network Services Senior Firewall Consultant
Aspire Technology Solutions Gateshead, Tyne And Wear
About Aspire At Aspire Technology Solutions, we look for dynamic individuals who want to work for one of the fastest growing IT and Cyber Security providers in the UK. It is an exciting time to join us on our journey as we grow and expand! Our mission: To deliver technology like no other! About the role We are looking for a Senior Firewall Consultant to join our Network Services team. You will play a key role in designing, delivering, and supporting advanced customer network security solutions, with a primary focus on the Fortinet product stack. You will work closely with our architecture, engineering, and delivery teams to ensure that every solution is correctly specified, seamlessly deployed, and aligned with customer requirements and best practice. Your core responsibility will be leading the design and deployment of next-generation firewall and large-scale SD-WAN solutions, ensuring robust security, scalability, and performance across customer environments. While your main focus will be on Fortinet technologies, you will also work across multi-vendor environments involving complex switching, wireless, and routing scenarios. You'll collaborate with customers from initial consultation through to implementation, translating technical requirements into clear deliverables, managing expectations, and ensuring smooth migration of customer networks onto new platforms. Beyond technical excellence, success in this role requires clear communication, strong documentation, and the ability to coordinate complex projects across multiple teams and technologies. What you will be doing Design and deliver advanced firewall and SD-WAN solutions-primarily based on the Fortinet product stack-from initial scoping through to deployment, testing, migration, and customer handover. Translate customer requirements gathered from SOWs, discovery sessions, and site surveys into robust technical solutions-highlighting assumptions, dependencies, and potential risks. Produce detailed low-level designs, configuration guides, and migration runbooks (including rollback and validation plans) in line with company standards and change control processes. Lead and execute complex firewall and network migrations, working hands on with FortiGate, FortiManager, and FortiAnalyzer platforms, as well as supporting infrastructure such as switches, wireless access points, and routing components. Collaborate closely with project managers, engineers, and customers, providing clear technical direction, progress updates, and issue management throughout the project lifecycle. Ensure all solutions are delivered to a high standard, applying security best practices, hardening configurations, maintaining thorough documentation, and completing clean handovers to Operations and NOC teams. Troubleshoot and resolve deployment or migration issues, engaging internal specialists and vendor support channels where appropriate. Maintain accurate and up-to-date records in our documentation and asset systems, including as built diagrams, change logs, and configuration baselines. Contribute to continual improvement, feeding lessons learned into our delivery frameworks, Fortinet configuration standards, and network solution templates. You will suit the role if you have Extensive experience with Fortinet technologies, including FortiGate, FortiManager, FortiAnalyzer, and FortiSwitch, with strong knowledge of firewall policy design, NAT, IPsec VPNs, SSL inspection, and security profiles. Experience delivering SD WAN and network security solutions at scale, from initial design through to migration and optimisation. Experience in routing (BGP, OSPF), switching (VLANs, STP, LACP), and wireless networking, with the ability to design and troubleshoot end to end solutions beyond just the security perimeter. Exposure to ISP grade connectivity and customer migrations, including DIA/Ethernet services, L2/L3 handoffs, and CPE deployment and commissioning. Experience working in multi vendor environments, ideally with exposure to platforms including Cisco, Juniper, Palo Alto, Check Point, Aruba, and Fortinet. Experience working in an MSP, ISP, or systems integrator environment, delivering network security projects to external customers. Experience producing LLDs, configuration guides, migration plans, and maintaining complete and accurate project documentation. Excellent communication skills and the ability to explain complex technical topics clearly to both technical and non technical audiences. A customer focused mindset with strong ownership, analytical, and problem solving abilities. Desirable Familiarity with network automation (e.g., Ansible, Python, PowerShell) and monitoring/telemetry tools (e.g., FortiAnalyzer, SolarWinds, PRTG). Knowledge of SASE architectures, NAC/802.1X, load balancing, or cloud network security (Azure/AWS). Fortinet NSE certifications (e.g., NSE 4, 5, 6, or 7) strongly preferred; equivalent vendor certifications (CCNP, JNCIS, PCNSE) are advantageous. Willingness to travel occasionally to customer sites and support out of hours work when required for change windows or migrations. Our values We understand that you might not have all of the qualifications and experiences that we think are key to succeeding in this role, therefore we provide continuous learning and development at Aspire, which is at the heart of everything we do. As long as you are passionate, eager to learn and driven to be the best at what you do and live our values this role may be a fit for you. Salary £45,000 to £65,000 per annum (depending on experience) Benefits Here at Aspire, we offer a great benefits package and a competitive salary. Being a people centric organisation is what sets us apart - we strive to look after our people in the best way we can! Travel benefits including free parking, subsidised travel passes and much more Health Cash Plan Cycle to Work Scheme Network Benefits Employee Assistance Programme Enhanced Annual Leave Entitlement (increasing with length of service) Enhanced Maternity, Paternity and Parental Schemes Enhanced Pension Scheme Home & Tech Purchase Scheme Electric Vehicle Salary Sacrifice Scheme Employee referral scheme New business referral scheme Discounted Gym Membership Life Assurance and Critical Illness cover Location and Working Arrangements You will be based at Aspire's Gateshead head office with travel as required. Hours of work 37.5 hours per week, Monday - Friday Equality, Inclusion and Diversity at Aspire Aspire is an equal opportunity employer committed to creating a culture that respects and values each other's differences, that promotes dignity, equality and diversity that encourages individuals to develop their true potential. Interview Process We generally conduct interviews in three stages, lasting approximately 2-3 weeks, depending on everyone's calendars. Shortlisted candidates will be invited to a pre screening call via Teams to discuss your experience and what you're looking for in your next role. Successful candidates will be invited to an interview with the Hiring Manager. If successful in an interview, candidates will be invited to an informal interview with key stakeholders at Aspire to meet the wider team(s).
Jan 01, 2026
Full time
About Aspire At Aspire Technology Solutions, we look for dynamic individuals who want to work for one of the fastest growing IT and Cyber Security providers in the UK. It is an exciting time to join us on our journey as we grow and expand! Our mission: To deliver technology like no other! About the role We are looking for a Senior Firewall Consultant to join our Network Services team. You will play a key role in designing, delivering, and supporting advanced customer network security solutions, with a primary focus on the Fortinet product stack. You will work closely with our architecture, engineering, and delivery teams to ensure that every solution is correctly specified, seamlessly deployed, and aligned with customer requirements and best practice. Your core responsibility will be leading the design and deployment of next-generation firewall and large-scale SD-WAN solutions, ensuring robust security, scalability, and performance across customer environments. While your main focus will be on Fortinet technologies, you will also work across multi-vendor environments involving complex switching, wireless, and routing scenarios. You'll collaborate with customers from initial consultation through to implementation, translating technical requirements into clear deliverables, managing expectations, and ensuring smooth migration of customer networks onto new platforms. Beyond technical excellence, success in this role requires clear communication, strong documentation, and the ability to coordinate complex projects across multiple teams and technologies. What you will be doing Design and deliver advanced firewall and SD-WAN solutions-primarily based on the Fortinet product stack-from initial scoping through to deployment, testing, migration, and customer handover. Translate customer requirements gathered from SOWs, discovery sessions, and site surveys into robust technical solutions-highlighting assumptions, dependencies, and potential risks. Produce detailed low-level designs, configuration guides, and migration runbooks (including rollback and validation plans) in line with company standards and change control processes. Lead and execute complex firewall and network migrations, working hands on with FortiGate, FortiManager, and FortiAnalyzer platforms, as well as supporting infrastructure such as switches, wireless access points, and routing components. Collaborate closely with project managers, engineers, and customers, providing clear technical direction, progress updates, and issue management throughout the project lifecycle. Ensure all solutions are delivered to a high standard, applying security best practices, hardening configurations, maintaining thorough documentation, and completing clean handovers to Operations and NOC teams. Troubleshoot and resolve deployment or migration issues, engaging internal specialists and vendor support channels where appropriate. Maintain accurate and up-to-date records in our documentation and asset systems, including as built diagrams, change logs, and configuration baselines. Contribute to continual improvement, feeding lessons learned into our delivery frameworks, Fortinet configuration standards, and network solution templates. You will suit the role if you have Extensive experience with Fortinet technologies, including FortiGate, FortiManager, FortiAnalyzer, and FortiSwitch, with strong knowledge of firewall policy design, NAT, IPsec VPNs, SSL inspection, and security profiles. Experience delivering SD WAN and network security solutions at scale, from initial design through to migration and optimisation. Experience in routing (BGP, OSPF), switching (VLANs, STP, LACP), and wireless networking, with the ability to design and troubleshoot end to end solutions beyond just the security perimeter. Exposure to ISP grade connectivity and customer migrations, including DIA/Ethernet services, L2/L3 handoffs, and CPE deployment and commissioning. Experience working in multi vendor environments, ideally with exposure to platforms including Cisco, Juniper, Palo Alto, Check Point, Aruba, and Fortinet. Experience working in an MSP, ISP, or systems integrator environment, delivering network security projects to external customers. Experience producing LLDs, configuration guides, migration plans, and maintaining complete and accurate project documentation. Excellent communication skills and the ability to explain complex technical topics clearly to both technical and non technical audiences. A customer focused mindset with strong ownership, analytical, and problem solving abilities. Desirable Familiarity with network automation (e.g., Ansible, Python, PowerShell) and monitoring/telemetry tools (e.g., FortiAnalyzer, SolarWinds, PRTG). Knowledge of SASE architectures, NAC/802.1X, load balancing, or cloud network security (Azure/AWS). Fortinet NSE certifications (e.g., NSE 4, 5, 6, or 7) strongly preferred; equivalent vendor certifications (CCNP, JNCIS, PCNSE) are advantageous. Willingness to travel occasionally to customer sites and support out of hours work when required for change windows or migrations. Our values We understand that you might not have all of the qualifications and experiences that we think are key to succeeding in this role, therefore we provide continuous learning and development at Aspire, which is at the heart of everything we do. As long as you are passionate, eager to learn and driven to be the best at what you do and live our values this role may be a fit for you. Salary £45,000 to £65,000 per annum (depending on experience) Benefits Here at Aspire, we offer a great benefits package and a competitive salary. Being a people centric organisation is what sets us apart - we strive to look after our people in the best way we can! Travel benefits including free parking, subsidised travel passes and much more Health Cash Plan Cycle to Work Scheme Network Benefits Employee Assistance Programme Enhanced Annual Leave Entitlement (increasing with length of service) Enhanced Maternity, Paternity and Parental Schemes Enhanced Pension Scheme Home & Tech Purchase Scheme Electric Vehicle Salary Sacrifice Scheme Employee referral scheme New business referral scheme Discounted Gym Membership Life Assurance and Critical Illness cover Location and Working Arrangements You will be based at Aspire's Gateshead head office with travel as required. Hours of work 37.5 hours per week, Monday - Friday Equality, Inclusion and Diversity at Aspire Aspire is an equal opportunity employer committed to creating a culture that respects and values each other's differences, that promotes dignity, equality and diversity that encourages individuals to develop their true potential. Interview Process We generally conduct interviews in three stages, lasting approximately 2-3 weeks, depending on everyone's calendars. Shortlisted candidates will be invited to a pre screening call via Teams to discuss your experience and what you're looking for in your next role. Successful candidates will be invited to an interview with the Hiring Manager. If successful in an interview, candidates will be invited to an informal interview with key stakeholders at Aspire to meet the wider team(s).

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