Senior Linux System Administrator (DV Cleared) Title: Senior Linux System Administrator Employment: Permanent Location: Reading Salary: £70,000 £100,000, plus a £5,000 DV allowance and a bonus of up to 10% Security clearance: Active and valid DV clearance required Working pattern: Onsite, with the option to work from home every other Friday Hours: 37.5 hours per week An opportunity is available for a DV Cleared Senior Linux System Administrator to join a specialist security team supporting a secure, large-scale big data platform for a UK critical national infrastructure programme. The platform supports a suite of cutting-edge cybersecurity and data science tools, with the team using DevOps methodologies to deliver continuous improvements in response to evolving security requirements. Key Responsibilities Administer, maintain and optimise Linux server environments across production and development platforms Manage VMware vSphere/ESXi infrastructure, including virtual machines, resource allocation and host configuration Develop and maintain automation using Ansible or equivalent tools to streamline deployments, configuration and routine tasks Develop and maintain Bash and shell scripts Troubleshoot complex Linux, networking, storage, permissions and performance issues Support secure IT infrastructure and CI/CD environments Support interoperability with Windows Server environments where required Contribute to continuous improvements across a highly secure big data platform Essential Skills Strong Linux administration experience with RHEL, Rocky Linux or similar VMware vSphere/ESXi administration Ansible or equivalent infrastructure automation tools Bash/shell scripting Strong troubleshooting skills across Linux environments Networking, storage and permissions CI/CD environments and methodologies IT infrastructure and security experience Desirable Skills Experience supporting large-scale or complex infrastructure environments Experience working within DevOps environments Windows Server knowledge Experience supporting secure or highly regulated environments Exposure to big data, cybersecurity or data science platforms Benefits Bonus of up to 10% £5,000 annual DV allowance while working in a role requiring DV clearance Pension scheme with 5% employee and 10% employer contribution Private GP access for you and your immediate family Enhanced maternity, paternity and adoption leave Paid carers leave Holiday purchase scheme Optional healthcare, dental and gym benefits Important Information Applicants must hold active and valid DV clearance Applicants must be UK residents No visa sponsorship is available for this role This role is predominantly on-site, with no fully remote option
Aug 23, 2026
Full time
Senior Linux System Administrator (DV Cleared) Title: Senior Linux System Administrator Employment: Permanent Location: Reading Salary: £70,000 £100,000, plus a £5,000 DV allowance and a bonus of up to 10% Security clearance: Active and valid DV clearance required Working pattern: Onsite, with the option to work from home every other Friday Hours: 37.5 hours per week An opportunity is available for a DV Cleared Senior Linux System Administrator to join a specialist security team supporting a secure, large-scale big data platform for a UK critical national infrastructure programme. The platform supports a suite of cutting-edge cybersecurity and data science tools, with the team using DevOps methodologies to deliver continuous improvements in response to evolving security requirements. Key Responsibilities Administer, maintain and optimise Linux server environments across production and development platforms Manage VMware vSphere/ESXi infrastructure, including virtual machines, resource allocation and host configuration Develop and maintain automation using Ansible or equivalent tools to streamline deployments, configuration and routine tasks Develop and maintain Bash and shell scripts Troubleshoot complex Linux, networking, storage, permissions and performance issues Support secure IT infrastructure and CI/CD environments Support interoperability with Windows Server environments where required Contribute to continuous improvements across a highly secure big data platform Essential Skills Strong Linux administration experience with RHEL, Rocky Linux or similar VMware vSphere/ESXi administration Ansible or equivalent infrastructure automation tools Bash/shell scripting Strong troubleshooting skills across Linux environments Networking, storage and permissions CI/CD environments and methodologies IT infrastructure and security experience Desirable Skills Experience supporting large-scale or complex infrastructure environments Experience working within DevOps environments Windows Server knowledge Experience supporting secure or highly regulated environments Exposure to big data, cybersecurity or data science platforms Benefits Bonus of up to 10% £5,000 annual DV allowance while working in a role requiring DV clearance Pension scheme with 5% employee and 10% employer contribution Private GP access for you and your immediate family Enhanced maternity, paternity and adoption leave Paid carers leave Holiday purchase scheme Optional healthcare, dental and gym benefits Important Information Applicants must hold active and valid DV clearance Applicants must be UK residents No visa sponsorship is available for this role This role is predominantly on-site, with no fully remote option
Senior Systems Engineer - Secure Digital Platform (SDP) Data & Integration Location: Reading - 3 days onsite / 2 days remote Rate: 65- 71 per hour, inside IR35 Security Clearance: Active SC Clearance required Nationality: Sole British National required Contract: 6 Months + The Role We are seeking an experienced Senior Systems Engineer to support a secure digital platform within a highly regulated defence and aerospace environment. You will be responsible for the design, implementation, operation, support and continuous improvement of enterprise infrastructure, cloud platforms and hosting services. The role provides technical leadership across hybrid environments, ensuring systems are secure, resilient, scalable and aligned with business and programme objectives . You will work across Microsoft Azure, on-premises infrastructure, virtualisation, storage, networking and container platforms including Kubernetes and Red Hat OpenShift . Working closely with security, architecture, application and service delivery teams, you will support business-critical services while driving automation, modernisation and operational excellence. Key Responsibilities Design, deploy and support enterprise infrastructure across cloud and on-premises environments. Administer and optimise Microsoft Azure services and cloud-native infrastructure. Manage and maintain Windows Server and Linux environments. Deploy, configure and support Kubernetes and OpenShift platforms. Implement Infrastructure as Code (IaC) and automation solutions. Ensure infrastructure meets security, compliance, resilience and availability requirements. Monitor system performance, capacity and operational health. Support backup, disaster recovery and business continuity capabilities. Work with security teams to implement secure-by-design infrastructure solutions. Troubleshoot and resolve complex incidents, problems and technical issues. Maintain technical documentation, standards and operational procedures. Mentor junior engineers and contribute to knowledge sharing. Support infrastructure transformation, cloud migration and technology refresh programmes. Key Objectives Cloud & Infrastructure Engineering Deliver reliable, scalable infrastructure solutions. Support the adoption and governance of cloud services. Maintain high levels of platform availability, performance and resilience. Drive infrastructure modernisation initiatives. Platform & Container Services Design and support Kubernetes and OpenShift hosting platforms. Enable secure deployment of containerised workloads. Improve automation, observability and operational efficiency. Support platform scalability and lifecycle management. Operational Excellence Maintain infrastructure services against agreed service level objectives. Identify and resolve recurring operational issues. Improve monitoring, alerting and performance management. Ensure operational processes follow industry best practice. Automation & Continuous Improvement Promote Infrastructure as Code and automation-first approaches. Develop and maintain automation using scripting and orchestration tools. Reduce manual operational overhead through process improvement. Drive continuous service improvement and innovation. Planning & Technical Assurance Support infrastructure roadmaps and strategic plans. Manage technical risks, dependencies and operational challenges. Participate in capacity planning and technology lifecycle management. Provide technical assurance and delivery confidence across programmes and projects. Escalate issues and risks appropriately. Essential Skills & Experience 5+ years' experience in systems engineering, infrastructure engineering, platform engineering or a similar role. Demonstrable experience delivering infrastructure within defence, aerospace or highly regulated environments . Active SC Clearance . Sole British National . Strong experience administering Microsoft Azure services and infrastructure. Experience supporting hybrid cloud and on-premises environments. Experience working within classified or secure environments. Strong knowledge of Windows Server and Linux operating systems. Experience with enterprise virtualisation platforms such as VMware or Hyper-V. Strong understanding of networking technologies, including TCP/IP, DNS, DHCP, VPNs, load balancing, firewalls and routing. Hands-on experience administering Kubernetes clusters. Practical experience supporting Red Hat OpenShift environments. Experience supporting large-scale enterprise container platforms. Experience with Infrastructure as Code tools such as Terraform, Bicep, ARM Templates or Ansible . Strong scripting and automation skills using PowerShell, Bash, Python or similar . Experience with monitoring, logging and observability platforms. Experience with backup, recovery and disaster recovery solutions. Strong troubleshooting, root cause analysis and problem-solving skills. Excellent communication and stakeholder management skills. Ability to mentor and support junior engineers. Experience working within Agile, DevOps or Platform Engineering environments. Desirable Experience Azure Solutions Architect or Azure Administrator certification. Microsoft Certified: Azure Administrator Associate. Microsoft Certified: Azure Solutions Architect Expert. Certified Kubernetes Administrator (CKA). Red Hat OpenShift Administration certification. VMware VCP certification. ITIL Foundation or equivalent service management certification. Knowledge of Azure Arc and hybrid cloud management technologies. Experience with Software Defined Networking (SDN). Knowledge of Zero Trust Architecture principles. Experience with service mesh technologies such as Istio. Knowledge of cloud cost optimisation and FinOps principles. Experience with edge or distributed computing architectures. Experience supporting infrastructure transformation and cloud migration programmes. Qualifications A Bachelor's degree in Computer Science, Information Technology, Systems Engineering or a related discipline is desirable, alongside significant professional experience in infrastructure, systems, cloud or platform engineering. This is an excellent opportunity for a Senior Systems Engineer with strong Azure, Kubernetes/OpenShift and secure infrastructure experience to work on technically challenging programmes within a critical UK defence and aerospace environment.
Aug 22, 2026
Contractor
Senior Systems Engineer - Secure Digital Platform (SDP) Data & Integration Location: Reading - 3 days onsite / 2 days remote Rate: 65- 71 per hour, inside IR35 Security Clearance: Active SC Clearance required Nationality: Sole British National required Contract: 6 Months + The Role We are seeking an experienced Senior Systems Engineer to support a secure digital platform within a highly regulated defence and aerospace environment. You will be responsible for the design, implementation, operation, support and continuous improvement of enterprise infrastructure, cloud platforms and hosting services. The role provides technical leadership across hybrid environments, ensuring systems are secure, resilient, scalable and aligned with business and programme objectives . You will work across Microsoft Azure, on-premises infrastructure, virtualisation, storage, networking and container platforms including Kubernetes and Red Hat OpenShift . Working closely with security, architecture, application and service delivery teams, you will support business-critical services while driving automation, modernisation and operational excellence. Key Responsibilities Design, deploy and support enterprise infrastructure across cloud and on-premises environments. Administer and optimise Microsoft Azure services and cloud-native infrastructure. Manage and maintain Windows Server and Linux environments. Deploy, configure and support Kubernetes and OpenShift platforms. Implement Infrastructure as Code (IaC) and automation solutions. Ensure infrastructure meets security, compliance, resilience and availability requirements. Monitor system performance, capacity and operational health. Support backup, disaster recovery and business continuity capabilities. Work with security teams to implement secure-by-design infrastructure solutions. Troubleshoot and resolve complex incidents, problems and technical issues. Maintain technical documentation, standards and operational procedures. Mentor junior engineers and contribute to knowledge sharing. Support infrastructure transformation, cloud migration and technology refresh programmes. Key Objectives Cloud & Infrastructure Engineering Deliver reliable, scalable infrastructure solutions. Support the adoption and governance of cloud services. Maintain high levels of platform availability, performance and resilience. Drive infrastructure modernisation initiatives. Platform & Container Services Design and support Kubernetes and OpenShift hosting platforms. Enable secure deployment of containerised workloads. Improve automation, observability and operational efficiency. Support platform scalability and lifecycle management. Operational Excellence Maintain infrastructure services against agreed service level objectives. Identify and resolve recurring operational issues. Improve monitoring, alerting and performance management. Ensure operational processes follow industry best practice. Automation & Continuous Improvement Promote Infrastructure as Code and automation-first approaches. Develop and maintain automation using scripting and orchestration tools. Reduce manual operational overhead through process improvement. Drive continuous service improvement and innovation. Planning & Technical Assurance Support infrastructure roadmaps and strategic plans. Manage technical risks, dependencies and operational challenges. Participate in capacity planning and technology lifecycle management. Provide technical assurance and delivery confidence across programmes and projects. Escalate issues and risks appropriately. Essential Skills & Experience 5+ years' experience in systems engineering, infrastructure engineering, platform engineering or a similar role. Demonstrable experience delivering infrastructure within defence, aerospace or highly regulated environments . Active SC Clearance . Sole British National . Strong experience administering Microsoft Azure services and infrastructure. Experience supporting hybrid cloud and on-premises environments. Experience working within classified or secure environments. Strong knowledge of Windows Server and Linux operating systems. Experience with enterprise virtualisation platforms such as VMware or Hyper-V. Strong understanding of networking technologies, including TCP/IP, DNS, DHCP, VPNs, load balancing, firewalls and routing. Hands-on experience administering Kubernetes clusters. Practical experience supporting Red Hat OpenShift environments. Experience supporting large-scale enterprise container platforms. Experience with Infrastructure as Code tools such as Terraform, Bicep, ARM Templates or Ansible . Strong scripting and automation skills using PowerShell, Bash, Python or similar . Experience with monitoring, logging and observability platforms. Experience with backup, recovery and disaster recovery solutions. Strong troubleshooting, root cause analysis and problem-solving skills. Excellent communication and stakeholder management skills. Ability to mentor and support junior engineers. Experience working within Agile, DevOps or Platform Engineering environments. Desirable Experience Azure Solutions Architect or Azure Administrator certification. Microsoft Certified: Azure Administrator Associate. Microsoft Certified: Azure Solutions Architect Expert. Certified Kubernetes Administrator (CKA). Red Hat OpenShift Administration certification. VMware VCP certification. ITIL Foundation or equivalent service management certification. Knowledge of Azure Arc and hybrid cloud management technologies. Experience with Software Defined Networking (SDN). Knowledge of Zero Trust Architecture principles. Experience with service mesh technologies such as Istio. Knowledge of cloud cost optimisation and FinOps principles. Experience with edge or distributed computing architectures. Experience supporting infrastructure transformation and cloud migration programmes. Qualifications A Bachelor's degree in Computer Science, Information Technology, Systems Engineering or a related discipline is desirable, alongside significant professional experience in infrastructure, systems, cloud or platform engineering. This is an excellent opportunity for a Senior Systems Engineer with strong Azure, Kubernetes/OpenShift and secure infrastructure experience to work on technically challenging programmes within a critical UK defence and aerospace environment.
This role requires the expertise of a Linux Administrator to support and develop Linux infrastructure and enterprise networking within a highly technical engineering environment. You will join a skilled Infrastructure Team responsible for designing, implementing and supporting Linux systems across both corporate and secure environments. Working closely with engineers, project teams and cyber security specialists, you will play a key role in delivering reliable, secure and scalable infrastructure that supports critical business and client projects. The team is responsible for a broad range of technologies and services, providing Linux and networking expertise across the business. Alongside supporting existing infrastructure, you will help drive continuous improvement and contribute to the development of modern, secure infrastructure solutions. This is an excellent opportunity to join a growing technology company where you will have genuine ownership, a varied workload and the chance to influence how Linux and network services are delivered across the organisation. Linux Administrator essential Requirements: Strong Linux administration experience (physical and virtual) Debian or Red Hat Linux distributions Networking knowledge Strong troubleshooting and problem-solving skills Understanding of Linux security Knowledge of infrastructure automation tools such as Ansible, Landscape, Foreman or Satellite Experience with scripting or programming for administration and automation tasks Appreciation of secure-by-design and DevOps principles Position : Linux Administrator Location : Cambridge Salary : 40-55k Benefits: Profit share scheme, Pension, Life assurance, Private medical insurance, Free lunch and refreshments), 25 days holiday, Relocation assistance Apply: jamie AT enterpriserecruitment DOT com
Aug 22, 2026
Full time
This role requires the expertise of a Linux Administrator to support and develop Linux infrastructure and enterprise networking within a highly technical engineering environment. You will join a skilled Infrastructure Team responsible for designing, implementing and supporting Linux systems across both corporate and secure environments. Working closely with engineers, project teams and cyber security specialists, you will play a key role in delivering reliable, secure and scalable infrastructure that supports critical business and client projects. The team is responsible for a broad range of technologies and services, providing Linux and networking expertise across the business. Alongside supporting existing infrastructure, you will help drive continuous improvement and contribute to the development of modern, secure infrastructure solutions. This is an excellent opportunity to join a growing technology company where you will have genuine ownership, a varied workload and the chance to influence how Linux and network services are delivered across the organisation. Linux Administrator essential Requirements: Strong Linux administration experience (physical and virtual) Debian or Red Hat Linux distributions Networking knowledge Strong troubleshooting and problem-solving skills Understanding of Linux security Knowledge of infrastructure automation tools such as Ansible, Landscape, Foreman or Satellite Experience with scripting or programming for administration and automation tasks Appreciation of secure-by-design and DevOps principles Position : Linux Administrator Location : Cambridge Salary : 40-55k Benefits: Profit share scheme, Pension, Life assurance, Private medical insurance, Free lunch and refreshments), 25 days holiday, Relocation assistance Apply: jamie AT enterpriserecruitment DOT com
Systems Engineer Secure Digital Platform (SDP) Data & Integration Reading Hybrid Working (3 Days Onsite) 6-Month Contract £60 per Hour (Inside IR35) Active SC Clearance Required Winsearch is recruiting for a Systems Engineer to join a growing Infrastructure and Platform Services team supporting enterprise-scale cloud, infrastructure and platform technologies. This is an excellent opportunity for an infrastructure professional looking to further develop their expertise across cloud services, virtualisation, container platforms and modern infrastructure technologies within a complex technical environment. You'll play a key role in supporting secure, reliable and resilient technology services across both cloud and on-premise environments while contributing to ongoing automation and modernisation initiatives. The Role As a Systems Engineer, you'll be responsible for supporting and maintaining enterprise infrastructure platforms, assisting with cloud administration and ensuring the smooth operation of critical business services. Working alongside senior engineers and technical architects, you'll gain exposure to a broad range of technologies while helping to improve platform performance, reliability and operational efficiency. Key Responsibilities Support the administration and operation of cloud and on-premise infrastructure. Maintain and support Windows Server and Linux environments. Assist with the deployment, configuration and management of Microsoft Azure services. Support virtualisation and enterprise hosting platforms. Assist with the administration of Kubernetes and OpenShift environments. Monitor infrastructure performance, availability and capacity. Support incident resolution, problem management and service request activities. Assist with backup, disaster recovery and business continuity processes. Implement infrastructure changes in line with established standards and procedures. Contribute to automation and Infrastructure as Code initiatives. Maintain technical documentation and operational procedures. Work closely with senior engineers to resolve technical issues and enhance service reliability. About You We're looking for a motivated Systems Engineer with infrastructure or cloud support experience and a genuine interest in modern platform technologies. You should have experience in some of the following areas: Microsoft Azure administration and cloud services Windows Server and Linux operating systems Infrastructure support and systems administration Virtualisation technologies Kubernetes and container platforms Infrastructure monitoring and performance management Backup and disaster recovery processes Automation and scripting Infrastructure as Code concepts Technical troubleshooting and incident management Required Experience Degree in Information Technology, Computer Science, Systems Engineering or a related discipline, or equivalent practical experience. Up to three years' experience in infrastructure support, systems administration, cloud support or technical operations. Understanding of enterprise infrastructure and cloud computing technologies. Strong problem-solving skills and willingness to learn new technologies. Ability to work effectively within a collaborative technical team environment. Desirable Certifications & Experience Microsoft Azure Fundamentals (AZ-900) Microsoft Azure Administrator Associate (AZ-104) CompTIA Network+ or Server+ Linux certifications Exposure to Kubernetes, OpenShift or container technologies ITIL Foundation certification What's on Offer? £60 per hour (Inside IR35) Initial 6-month contract Hybrid working with 3 days per week onsite in Reading Exposure to modern cloud, infrastructure and container technologies Opportunity to work within a highly skilled technical environment Strong potential for technical development and knowledge growth If you're an infrastructure or cloud professional looking for your next contract opportunity and want to build your experience across enterprise platforms, cloud services and modern infrastructure technologies, we'd love to hear from you. Apply today or contact Winsearch for a confidential discussion. INDWIN Our clients and their customers come from diverse backgrounds and so do we. We hire our people from various walks of life, each of whom make our company stronger with their talent, uniqueness, and expertise. This is what makes our company special; if you want to help us grow and take this ethos to our clients, then we cannot wait to collaborate with you! The UK has now left the European Union. Any EU, EEA or Swiss citizens living in the UK that wish to remain in the UK post Brexit need to apply to the EU Settlement Scheme. Although the closing date for applications was 30th Jun 2021, if you have not yet applied but believe that you would qualify under the EU Settlement Scheme, the Home Office have confirmed that they will consider late applications. For further information please see (url removed)> Many Thanks
Aug 22, 2026
Contractor
Systems Engineer Secure Digital Platform (SDP) Data & Integration Reading Hybrid Working (3 Days Onsite) 6-Month Contract £60 per Hour (Inside IR35) Active SC Clearance Required Winsearch is recruiting for a Systems Engineer to join a growing Infrastructure and Platform Services team supporting enterprise-scale cloud, infrastructure and platform technologies. This is an excellent opportunity for an infrastructure professional looking to further develop their expertise across cloud services, virtualisation, container platforms and modern infrastructure technologies within a complex technical environment. You'll play a key role in supporting secure, reliable and resilient technology services across both cloud and on-premise environments while contributing to ongoing automation and modernisation initiatives. The Role As a Systems Engineer, you'll be responsible for supporting and maintaining enterprise infrastructure platforms, assisting with cloud administration and ensuring the smooth operation of critical business services. Working alongside senior engineers and technical architects, you'll gain exposure to a broad range of technologies while helping to improve platform performance, reliability and operational efficiency. Key Responsibilities Support the administration and operation of cloud and on-premise infrastructure. Maintain and support Windows Server and Linux environments. Assist with the deployment, configuration and management of Microsoft Azure services. Support virtualisation and enterprise hosting platforms. Assist with the administration of Kubernetes and OpenShift environments. Monitor infrastructure performance, availability and capacity. Support incident resolution, problem management and service request activities. Assist with backup, disaster recovery and business continuity processes. Implement infrastructure changes in line with established standards and procedures. Contribute to automation and Infrastructure as Code initiatives. Maintain technical documentation and operational procedures. Work closely with senior engineers to resolve technical issues and enhance service reliability. About You We're looking for a motivated Systems Engineer with infrastructure or cloud support experience and a genuine interest in modern platform technologies. You should have experience in some of the following areas: Microsoft Azure administration and cloud services Windows Server and Linux operating systems Infrastructure support and systems administration Virtualisation technologies Kubernetes and container platforms Infrastructure monitoring and performance management Backup and disaster recovery processes Automation and scripting Infrastructure as Code concepts Technical troubleshooting and incident management Required Experience Degree in Information Technology, Computer Science, Systems Engineering or a related discipline, or equivalent practical experience. Up to three years' experience in infrastructure support, systems administration, cloud support or technical operations. Understanding of enterprise infrastructure and cloud computing technologies. Strong problem-solving skills and willingness to learn new technologies. Ability to work effectively within a collaborative technical team environment. Desirable Certifications & Experience Microsoft Azure Fundamentals (AZ-900) Microsoft Azure Administrator Associate (AZ-104) CompTIA Network+ or Server+ Linux certifications Exposure to Kubernetes, OpenShift or container technologies ITIL Foundation certification What's on Offer? £60 per hour (Inside IR35) Initial 6-month contract Hybrid working with 3 days per week onsite in Reading Exposure to modern cloud, infrastructure and container technologies Opportunity to work within a highly skilled technical environment Strong potential for technical development and knowledge growth If you're an infrastructure or cloud professional looking for your next contract opportunity and want to build your experience across enterprise platforms, cloud services and modern infrastructure technologies, we'd love to hear from you. Apply today or contact Winsearch for a confidential discussion. INDWIN Our clients and their customers come from diverse backgrounds and so do we. We hire our people from various walks of life, each of whom make our company stronger with their talent, uniqueness, and expertise. This is what makes our company special; if you want to help us grow and take this ethos to our clients, then we cannot wait to collaborate with you! The UK has now left the European Union. Any EU, EEA or Swiss citizens living in the UK that wish to remain in the UK post Brexit need to apply to the EU Settlement Scheme. Although the closing date for applications was 30th Jun 2021, if you have not yet applied but believe that you would qualify under the EU Settlement Scheme, the Home Office have confirmed that they will consider late applications. For further information please see (url removed)> Many Thanks
Linux SysAdmin (Suse) 12-Month Contract £375 Inside IR35 (Umbrella Only) Glasgow (primarily remote) Overview Sanderson Recruitment are partnering with a public sector organisation as they embark on a programme of transformation, modernising legacy environments across 4 key workstreams click apply for full job details
Aug 22, 2026
Contractor
Linux SysAdmin (Suse) 12-Month Contract £375 Inside IR35 (Umbrella Only) Glasgow (primarily remote) Overview Sanderson Recruitment are partnering with a public sector organisation as they embark on a programme of transformation, modernising legacy environments across 4 key workstreams click apply for full job details
Junior Systems & Build Engineer (244lw) Defence Tech Midlands - £40,000.00 - £45,000 + Benefits Are you a Linux Systems Administrator, Infrastructure Engineer or Build Engineer looking to develop your career beyond traditional systems administration? DUE TO THE NATURE OF THIS RECRUITMENT CONSULTANCY, WE ARE ONLY ABLE TO REPRESENT INDIVIDUALS WHO ARE EX MILITARY. We are working with an established technology organisation seeking a Junior Systems & Build Engineer to join its engineering team. This is an excellent opportunity for someone who enjoys solving technical problems and wants to develop specialist skills across Linux, infrastructure, software builds and deployment within a technically challenging Defence technology environment. You'll work closely with engineering teams supporting the systems, infrastructure and tooling required to develop, build and deliver software products. Your responsibilities will include Supporting the build, deployment and delivery of software products. Administering and maintaining Linux-based development and build infrastructure. Supporting configuration and version-control systems. Maintaining build machines, development environments and associated infrastructure. Responding to infrastructure and engineering support requests. Investigating technical issues and providing effective diagnostic support. Supporting business continuity and disaster recovery activities. Contributing to technical documentation and training materials. Supporting research and improvements to engineering processes and ways of working. Contributing to technical design and wider engineering activities. Developing your skills across infrastructure, automation and build technologies. Essential 2+ years' experience in systems administration or a similar infrastructure role. Strong Linux administration skills, ideally Red Hat or similar. Bash scripting. Experience with yum/dnf or equivalent package management. Desirable - Terraform Ansible Jenkins Build tools such as Conan Artifactory Coverity Additional Linux/infrastructure certifications. You'll be - Curious and keen to learn. Interested in developing into more advanced infrastructure, build, DevOps or engineering responsibilities. A relevant professional qualification, degree, apprenticeship or equivalent practical experience would be considered. Security - The role operates within a secure Defence technology environment, so you may be required to obtain security clearance. This is a great opportunity to broaden your technical skillset across Linux, automation, build systems, infrastructure and DevOps, with exposure to a range of technically interesting projects. The role is particularly suited to someone who wants to progress beyond traditional systems administration and develop a more specialised engineering career. Please send a copy of your CV with a note outlining why this would be the ideal opportunity for you to Liz Walsh at Ex-Mil Recruitment Ltd
Aug 21, 2026
Full time
Junior Systems & Build Engineer (244lw) Defence Tech Midlands - £40,000.00 - £45,000 + Benefits Are you a Linux Systems Administrator, Infrastructure Engineer or Build Engineer looking to develop your career beyond traditional systems administration? DUE TO THE NATURE OF THIS RECRUITMENT CONSULTANCY, WE ARE ONLY ABLE TO REPRESENT INDIVIDUALS WHO ARE EX MILITARY. We are working with an established technology organisation seeking a Junior Systems & Build Engineer to join its engineering team. This is an excellent opportunity for someone who enjoys solving technical problems and wants to develop specialist skills across Linux, infrastructure, software builds and deployment within a technically challenging Defence technology environment. You'll work closely with engineering teams supporting the systems, infrastructure and tooling required to develop, build and deliver software products. Your responsibilities will include Supporting the build, deployment and delivery of software products. Administering and maintaining Linux-based development and build infrastructure. Supporting configuration and version-control systems. Maintaining build machines, development environments and associated infrastructure. Responding to infrastructure and engineering support requests. Investigating technical issues and providing effective diagnostic support. Supporting business continuity and disaster recovery activities. Contributing to technical documentation and training materials. Supporting research and improvements to engineering processes and ways of working. Contributing to technical design and wider engineering activities. Developing your skills across infrastructure, automation and build technologies. Essential 2+ years' experience in systems administration or a similar infrastructure role. Strong Linux administration skills, ideally Red Hat or similar. Bash scripting. Experience with yum/dnf or equivalent package management. Desirable - Terraform Ansible Jenkins Build tools such as Conan Artifactory Coverity Additional Linux/infrastructure certifications. You'll be - Curious and keen to learn. Interested in developing into more advanced infrastructure, build, DevOps or engineering responsibilities. A relevant professional qualification, degree, apprenticeship or equivalent practical experience would be considered. Security - The role operates within a secure Defence technology environment, so you may be required to obtain security clearance. This is a great opportunity to broaden your technical skillset across Linux, automation, build systems, infrastructure and DevOps, with exposure to a range of technically interesting projects. The role is particularly suited to someone who wants to progress beyond traditional systems administration and develop a more specialised engineering career. Please send a copy of your CV with a note outlining why this would be the ideal opportunity for you to Liz Walsh at Ex-Mil Recruitment Ltd
Junior System Administrator Guildford, Surrey Circa £30,000-£35,000 plus benefits Full-time, Office-based Ready to build your career in IT and get hands-on with real-world systems? My client are looking for a Junior System Administrator to join a growing technology business based in Guildford, Surrey. This is an excellent opportunity for someone at the beginning of their systems administration career. You'll work closely with an experienced Systems Administrator and report to the IT Manager, helping to maintain the company's internal IT infrastructure and customer systems. From Windows and Linux servers to virtual machines, networking and user support. This is more than a traditional IT support role. You'll have the opportunity to get involved across servers, virtualisation, Windows, Linux, networking, security, backups, infrastructure and user support, giving you broad exposure to the technologies and responsibilities needed to develop a successful career in systems administration. The successful candidate must be willing and able to obtain UK security clearance. The Role As a Junior System Administrator, you'll play an important role in keeping IT systems secure, reliable and running smoothly. Your responsibilities will include: Deploying software and administering user groups and operating system policies across the IT network Monitoring services, applications and hardware and identifying and resolving issues Installing, configuring and maintaining software, hardware, networking and application components Diagnosing and troubleshooting hardware, software and networking problems Managing secure data storage, backups and data recovery Implementing security best practices to help protect against cyber-attacks and security breaches Supporting compliance with ISO 27001 and Cyber Essentials Plus Documenting internal IT processes and systems Providing technical support to employees and external clients Setting up employee workstations and IT equipment Supporting ad-hoc IT projects and tasks as required Essential A-levels or equivalent, with strong IT, English and Maths skills Good working knowledge of Microsoft Office, including Word, Excel and Outlook Basic networking knowledge Experience managing Windows PCs/Servers within an Active Directory environment Experience with Linux, particularly Debian/Ubuntu package management, web servers, NFS and SSH An understanding of system security and business continuity Basic scripting experience in Bash and/or PowerShell Strong organisational skills and the ability to manage and prioritise multiple tasks Ability to work independently while also contributing effectively as part of a team Desirable Full, clean UK driving licence Experience with PKI and certificate management If you would like to be considered for this opportunity then please contact Tom Rayner on or email
Aug 20, 2026
Full time
Junior System Administrator Guildford, Surrey Circa £30,000-£35,000 plus benefits Full-time, Office-based Ready to build your career in IT and get hands-on with real-world systems? My client are looking for a Junior System Administrator to join a growing technology business based in Guildford, Surrey. This is an excellent opportunity for someone at the beginning of their systems administration career. You'll work closely with an experienced Systems Administrator and report to the IT Manager, helping to maintain the company's internal IT infrastructure and customer systems. From Windows and Linux servers to virtual machines, networking and user support. This is more than a traditional IT support role. You'll have the opportunity to get involved across servers, virtualisation, Windows, Linux, networking, security, backups, infrastructure and user support, giving you broad exposure to the technologies and responsibilities needed to develop a successful career in systems administration. The successful candidate must be willing and able to obtain UK security clearance. The Role As a Junior System Administrator, you'll play an important role in keeping IT systems secure, reliable and running smoothly. Your responsibilities will include: Deploying software and administering user groups and operating system policies across the IT network Monitoring services, applications and hardware and identifying and resolving issues Installing, configuring and maintaining software, hardware, networking and application components Diagnosing and troubleshooting hardware, software and networking problems Managing secure data storage, backups and data recovery Implementing security best practices to help protect against cyber-attacks and security breaches Supporting compliance with ISO 27001 and Cyber Essentials Plus Documenting internal IT processes and systems Providing technical support to employees and external clients Setting up employee workstations and IT equipment Supporting ad-hoc IT projects and tasks as required Essential A-levels or equivalent, with strong IT, English and Maths skills Good working knowledge of Microsoft Office, including Word, Excel and Outlook Basic networking knowledge Experience managing Windows PCs/Servers within an Active Directory environment Experience with Linux, particularly Debian/Ubuntu package management, web servers, NFS and SSH An understanding of system security and business continuity Basic scripting experience in Bash and/or PowerShell Strong organisational skills and the ability to manage and prioritise multiple tasks Ability to work independently while also contributing effectively as part of a team Desirable Full, clean UK driving licence Experience with PKI and certificate management If you would like to be considered for this opportunity then please contact Tom Rayner on or email
Role: Infrastructure Systems Administrator Location: Cheltenham - 3 days/week on-site Salary: £65,000 - £80,000 + benefits Infrastructure Systems Administrator needed to join our client, an established defence engineering firm based in Cheltenham. We're looking for an Infrastructure Systems Administrator to play a critical role in providing technical guidance, design and administration for key business infrastructure. You will be responsible for delivering advanced technical solutions, contribute to the development of new principles and concepts, and act as advisor to management and customer on advanced technical research studies and applications. Please note we can only consider UK nationals for this position based on UK Security Clearance requirements. What the role of the Infrastructure Systems Administrator entails: Some of the main duties of the Infrastructure Systems Administrator will include: Apply subject matter expertise to provide recommendations regarding systems administration to management and guide other team members as needed Contribute to the planning and development of the overall service Install, configure, administer, troubleshoot, and resolve system issues as required Participate as directed by the System Administration Manager in rosters and other arrangements necessary for the delivery of 24/7 services, undertaking responsibilities as part of the Systems Administration Team On-call rota, working flexibly to deliver out-of-hours planned and unplanned network changes Serve as Systems Administration lead on advanced projects and/or programmes Contribute to the development of new principles & concepts Follow, maintain and disseminate approved procedures, including adherence to ISO20000 & ISO27001 standards Collaborate with vendors for application support, upgrades, and issue resolution. Troubleshoot and resolve complex issues related to deployment, infrastructure, and system performance. What experience you need to be the successful Infrastructure Systems Administrator: Strong technical foundation in several of the following technologies: VMware vSphere 8.0+ Fiber Channel Storage Technologies - Dell NetApp Citrix XenApp/XenDesktop and Citrix Netscalar Amazon Web Services/Azure Microsoft OS 2019/2022, Exchange and Office 365 SQL Server administration/database concepts - MS SQL 2019 Certificate Authorities Administrative experience Experience with Linux and Ansible Experience with Active Directory Federated trusts Familiarity with project management methodologies including ITIL, AGILE and SCRUM Sound networking knowledge - TCP/IP, DHCP, DNS, MPLS This really is a fantastic opportunity for a Infrastructure Systems Administrator to progress their career. If you are interested please apply as soon as possible as this position will be filled quickly so don't miss out! Services advertised by Gold Group are those of an Agency and/or an Employment Business.We will contact you within the next 14 days if you are selected for interview. For a copy of our privacy policy please visit our website.
Aug 20, 2026
Full time
Role: Infrastructure Systems Administrator Location: Cheltenham - 3 days/week on-site Salary: £65,000 - £80,000 + benefits Infrastructure Systems Administrator needed to join our client, an established defence engineering firm based in Cheltenham. We're looking for an Infrastructure Systems Administrator to play a critical role in providing technical guidance, design and administration for key business infrastructure. You will be responsible for delivering advanced technical solutions, contribute to the development of new principles and concepts, and act as advisor to management and customer on advanced technical research studies and applications. Please note we can only consider UK nationals for this position based on UK Security Clearance requirements. What the role of the Infrastructure Systems Administrator entails: Some of the main duties of the Infrastructure Systems Administrator will include: Apply subject matter expertise to provide recommendations regarding systems administration to management and guide other team members as needed Contribute to the planning and development of the overall service Install, configure, administer, troubleshoot, and resolve system issues as required Participate as directed by the System Administration Manager in rosters and other arrangements necessary for the delivery of 24/7 services, undertaking responsibilities as part of the Systems Administration Team On-call rota, working flexibly to deliver out-of-hours planned and unplanned network changes Serve as Systems Administration lead on advanced projects and/or programmes Contribute to the development of new principles & concepts Follow, maintain and disseminate approved procedures, including adherence to ISO20000 & ISO27001 standards Collaborate with vendors for application support, upgrades, and issue resolution. Troubleshoot and resolve complex issues related to deployment, infrastructure, and system performance. What experience you need to be the successful Infrastructure Systems Administrator: Strong technical foundation in several of the following technologies: VMware vSphere 8.0+ Fiber Channel Storage Technologies - Dell NetApp Citrix XenApp/XenDesktop and Citrix Netscalar Amazon Web Services/Azure Microsoft OS 2019/2022, Exchange and Office 365 SQL Server administration/database concepts - MS SQL 2019 Certificate Authorities Administrative experience Experience with Linux and Ansible Experience with Active Directory Federated trusts Familiarity with project management methodologies including ITIL, AGILE and SCRUM Sound networking knowledge - TCP/IP, DHCP, DNS, MPLS This really is a fantastic opportunity for a Infrastructure Systems Administrator to progress their career. If you are interested please apply as soon as possible as this position will be filled quickly so don't miss out! Services advertised by Gold Group are those of an Agency and/or an Employment Business.We will contact you within the next 14 days if you are selected for interview. For a copy of our privacy policy please visit our website.
Join us at EIT At the Ellison Institute of Technology (EIT), we're on a mission to translate scientific discovery into real world impact. We bring together visionary scientists, technologists, engineers, researchers, educators and innovators to tackle humanity's greatest challenges in four transformative areas: Health, Medical Science & Generative Biology Food Security & Sustainable Agriculture Climate Change & Managing CO Artificial Intelligence & Robotics This is ambitious work - work that demands curiosity, courage, and a relentless drive to make a difference. At EIT, you'll join a community built on excellence, innovation, tenacity, trust, and collaboration, where bold ideas become real world breakthroughs. Together, we push boundaries, embrace complexity, and create solutions to scale ideas from lab to society. Explore more at . Welcome to the Plant Biology Institute The Plant Biology Institute, headed by Professor Steve Kelly, is a key part of the Ellison Institute of Technology (EIT) Oxford. The institute aims to develop impactful and commercially sustainable solutions for improving global food production and planetary health through pioneering plant science research. The Plant Biology Institute will unite world class researchers who are focused on expanding the frontiers of plant science. Our research is focused on enhancing our ability to feed the planet while simultaneously improving the climate and ecosystem outcomes of food production. By embedding cutting edge plant science research within an organisation that is focused on solving global challenges at scale, we aim to accelerate the timeline from discovery to global impact. Areas of exploration include Improved plant productivity, both indoors and outside. Reduced reliance on inputs including water, fertilisers, pesticides, and herbicides. Novel decarbonised plant based production platforms for food and medicines. Advanced technologies that speed up discovery and deployment in plants. Researchers will have access to state of the art laboratory and plant growth facilities and have opportunities to collaborate with experts at the forefront of research on AI, automation, and generative biology across the EIT ecosystem. They will also work with global leaders in market development, commercialisation, and impact creation. The Plant Biology Institute has long term substantial funding to support the unique scale and ambition of its vision. Your Role We are seeking a highly motivated Bioinformatician to join the Bioinformatics platform team, which builds computational tools for plant biology in close collaboration with the phenotyping platform and research teams. The successful candidate will work at the intersection of genomics, transcriptomics, and computational biology, to accelerate plant science research. By developing and implementing bioinformatics algorithms, your work will directly shape how biological questions are translated into computational analyses, enabling researchers to unravel complex traits and predict phenotypic outcomes with greater accuracy. The role will require working closely with bioinformatics engineers and research scientists to design and deliver enterprise level analytical approaches that meet the evolving needs of the institute. The ideal candidate will have a strong background in genomics and transcriptomics, experience working with complex plant genomes, and the ability to break down complex research questions into clear, tangible milestones for implementation. Your Responsibilities Develop and implement bioinformatics algorithms for the analysis of genomic and transcriptomic data. Translate complex research questions into well defined analytical approaches and implementation milestones. Apply and evaluate machine learning methods to predict complex traits and phenotypic outcomes from genomic and transcriptomic data. Analyse and interpret large scale genomic and transcriptomic datasets from complex plant genomes. Collaborate with bioinformatics engineers and systems administrators to integrate algorithms into production pipelines and workflows. Communicate analytical approaches and findings clearly to both technical and non technical stakeholders. Essential Skills, Qualifications & Experience PhD, or equivalent research experience, in Bioinformatics, Genomics, Computational Biology, or a related field. Strong background in genomics and transcriptomics, with demonstrated experience working with complex plant genomes. Experience with bioinformatics tools for genome assembly, annotation and variant analysis. Familiarity operating within Linux environments, including operating within HPC and/or cloud environments (e.g. SLURM, OCI). Experience applying machine learning methods to genomic and transcriptomic data, with an understanding of different ML approaches and their suitability for different biological questions. Demonstrated experience predicting complex traits and phenotypic outcomes from biological data. Proven ability to interpret complex research questions and break them down into tangible, actionable milestones. Strong programming and scripting skills for data analysis (e.g. Python, R). Deep understanding of bioinformatics file formats, tools, and databases (e.g. FASTQ, BAM/VCF, BLAST, reference genomes). Experience using and developing version controlled codebases, familiarity with common tools (git) and development practices. Ability to work collaboratively with engineers, systems administrators, and research scientists to deliver research outcomes. Desirable Knowledge, Skills, and Experience Experience with workflow management systems (e.g. Nextflow, Snakemake). Experience with plant trait engineering and design. Understanding of FAIR data principles and metadata standards. Experience mentoring or guiding junior team members or collaborators. Our Benefits Salary dependent on experience + travel allowance + bonus Enhanced holiday + options to buy additional days Pension Life Assurance Income Protection Private Medical Insurance Hospital Cash Plan Therapy Services Perk Box Electric Car Scheme Childcare benefit Working Together - What It Involves You must have the right to work permanently in the UK with a willingness to travel as necessary. In certain cases, we can consider sponsorship, and this will be assessed on a case by case basis. You will live in, or within easy commuting distance of, Oxford (or be willing to relocate).
Aug 19, 2026
Full time
Join us at EIT At the Ellison Institute of Technology (EIT), we're on a mission to translate scientific discovery into real world impact. We bring together visionary scientists, technologists, engineers, researchers, educators and innovators to tackle humanity's greatest challenges in four transformative areas: Health, Medical Science & Generative Biology Food Security & Sustainable Agriculture Climate Change & Managing CO Artificial Intelligence & Robotics This is ambitious work - work that demands curiosity, courage, and a relentless drive to make a difference. At EIT, you'll join a community built on excellence, innovation, tenacity, trust, and collaboration, where bold ideas become real world breakthroughs. Together, we push boundaries, embrace complexity, and create solutions to scale ideas from lab to society. Explore more at . Welcome to the Plant Biology Institute The Plant Biology Institute, headed by Professor Steve Kelly, is a key part of the Ellison Institute of Technology (EIT) Oxford. The institute aims to develop impactful and commercially sustainable solutions for improving global food production and planetary health through pioneering plant science research. The Plant Biology Institute will unite world class researchers who are focused on expanding the frontiers of plant science. Our research is focused on enhancing our ability to feed the planet while simultaneously improving the climate and ecosystem outcomes of food production. By embedding cutting edge plant science research within an organisation that is focused on solving global challenges at scale, we aim to accelerate the timeline from discovery to global impact. Areas of exploration include Improved plant productivity, both indoors and outside. Reduced reliance on inputs including water, fertilisers, pesticides, and herbicides. Novel decarbonised plant based production platforms for food and medicines. Advanced technologies that speed up discovery and deployment in plants. Researchers will have access to state of the art laboratory and plant growth facilities and have opportunities to collaborate with experts at the forefront of research on AI, automation, and generative biology across the EIT ecosystem. They will also work with global leaders in market development, commercialisation, and impact creation. The Plant Biology Institute has long term substantial funding to support the unique scale and ambition of its vision. Your Role We are seeking a highly motivated Bioinformatician to join the Bioinformatics platform team, which builds computational tools for plant biology in close collaboration with the phenotyping platform and research teams. The successful candidate will work at the intersection of genomics, transcriptomics, and computational biology, to accelerate plant science research. By developing and implementing bioinformatics algorithms, your work will directly shape how biological questions are translated into computational analyses, enabling researchers to unravel complex traits and predict phenotypic outcomes with greater accuracy. The role will require working closely with bioinformatics engineers and research scientists to design and deliver enterprise level analytical approaches that meet the evolving needs of the institute. The ideal candidate will have a strong background in genomics and transcriptomics, experience working with complex plant genomes, and the ability to break down complex research questions into clear, tangible milestones for implementation. Your Responsibilities Develop and implement bioinformatics algorithms for the analysis of genomic and transcriptomic data. Translate complex research questions into well defined analytical approaches and implementation milestones. Apply and evaluate machine learning methods to predict complex traits and phenotypic outcomes from genomic and transcriptomic data. Analyse and interpret large scale genomic and transcriptomic datasets from complex plant genomes. Collaborate with bioinformatics engineers and systems administrators to integrate algorithms into production pipelines and workflows. Communicate analytical approaches and findings clearly to both technical and non technical stakeholders. Essential Skills, Qualifications & Experience PhD, or equivalent research experience, in Bioinformatics, Genomics, Computational Biology, or a related field. Strong background in genomics and transcriptomics, with demonstrated experience working with complex plant genomes. Experience with bioinformatics tools for genome assembly, annotation and variant analysis. Familiarity operating within Linux environments, including operating within HPC and/or cloud environments (e.g. SLURM, OCI). Experience applying machine learning methods to genomic and transcriptomic data, with an understanding of different ML approaches and their suitability for different biological questions. Demonstrated experience predicting complex traits and phenotypic outcomes from biological data. Proven ability to interpret complex research questions and break them down into tangible, actionable milestones. Strong programming and scripting skills for data analysis (e.g. Python, R). Deep understanding of bioinformatics file formats, tools, and databases (e.g. FASTQ, BAM/VCF, BLAST, reference genomes). Experience using and developing version controlled codebases, familiarity with common tools (git) and development practices. Ability to work collaboratively with engineers, systems administrators, and research scientists to deliver research outcomes. Desirable Knowledge, Skills, and Experience Experience with workflow management systems (e.g. Nextflow, Snakemake). Experience with plant trait engineering and design. Understanding of FAIR data principles and metadata standards. Experience mentoring or guiding junior team members or collaborators. Our Benefits Salary dependent on experience + travel allowance + bonus Enhanced holiday + options to buy additional days Pension Life Assurance Income Protection Private Medical Insurance Hospital Cash Plan Therapy Services Perk Box Electric Car Scheme Childcare benefit Working Together - What It Involves You must have the right to work permanently in the UK with a willingness to travel as necessary. In certain cases, we can consider sponsorship, and this will be assessed on a case by case basis. You will live in, or within easy commuting distance of, Oxford (or be willing to relocate).
Colt provides network, voice and data centre services to thousands of businesses around the world, allowing them to focus on delivering their business goals instead of the underlying infrastructure. Why we need this role We are seeking a highly skilled Senior Linux Administrator who will act as a technical subject matter expert within the Linux Engineering team. The role is accountable for designing, implementing, supporting, and optimising the Linux infrastructure that underpins critical business applications. The successful candidate will work as part of a team supporting approximately 4000 Linux systems, contributing to technology roadmaps, automation initiatives, operational excellence, and continuous improvement. This role requires deep technical expertise, strong troubleshooting skills, and the ability to collaborate effectively with architecture, security, and operations teams across the organisation. What you will do Serve as a senior technical expert for Linux systems, providing advanced engineering support and guidance. Contribute to the definition and implementation of technology roadmaps for Linux infrastructure and associated services. Develop and maintain operating procedures to ensure secure, stable, and efficient system management. Design and implement solutions that meet security, compliance, resilience, and high availability requirements. Drive automation using Ansible and other tools to streamline operational tasks and reduce manual effort. Lead complex troubleshooting activities across Linux platforms and integrated technologies. Support patching, hardening, and configuration management activities aligned to security and compliance standards. Work closely with security and compliance teams to ensure adherence to regulatory frameworks and internal controls. Support and enhance DNS and identity management solutions, including Red Hat and Oracle LDAP. Develop and maintain documentation for engineering solutions, operational processes, and compliance audits. Participate in the Infrastructure Operations on call rota to provide out of hours support for priority incidents What we're looking for Supporting the Infrastructure Team to design, implement and maintain IT infrastructure components, including servers, networks, storage systems, and cloud resources. Troubleshooting and resolving technical issues related to infrastructure components to ensure uninterrupted operations. Monitoring and optimizing the performance, security, and availability of IT infrastructure. Providing subject matter expertise to develop and execute infrastructure projects and strategies. Supporting disaster recovery and business continuity planning and testing. Contributing to the assessment and selection of vendors for hardware, software, and service provision. Qualification Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience). 8+ years of Linux administration experience, ideally within a large scale or enterprise environment. Experience with cloud platforms (AWS, Azure, GCP). Familiarity with containerization (Docker, Kubernetes). Certifications such as RHCE, LFCS, LFCE, or security related credentials. What we offer you: At Colt, you'll make a difference. Because around here, we empower people. We don't tell you what to do. Instead, we employ people we trust, who come together across the globe to create intelligent solutions. Our global teams are full of ambitious, driven people, all working together towards one shared purpose: to put the power of the digital universe in the hands of our customers wherever, whenever and however they want. We give our people the opportunity to inspire and lead teams, and work on projects that connect people, cities, businesses, and ideas. We want you to help us change the world, for the better. Diversity and inclusion Inclusion and valuing diversity of thought and experience are at the heart of our culture here at Colt. From day one, you'll be encouraged to be yourself because we believe that's what helps our people to thrive. We welcome people with diverse backgrounds and experiences, regardless of their gender identity or expression, sexual orientation, race, religion, disability, neurodiversity, age, marital status, pregnancy status, or place of birth. Most recently we have: Signed the UN Women Empowerment Principles which guide our Gender Action Plan Trained 60 (and growing) Colties to be Mental Health First Aiders Please speak with a member of our recruitment team if you require adjustments to our recruitment process to support you. For more information about our Inclusion and Diversity agenda, visit our DEI pages. Our benefits support you through all parts of life, for both physical and mental health. Flexible working hours and the option to work from home. Extensive induction program with experienced mentors and buddies. Opportunities for further development and educational opportunities. Global Family Leave Policy. Employee Assistance Program. Internal inclusion & diversity employee networks. A global network When you join Colt you become part of our global network. We are proud of our colleagues and the stories and experience they bring - take a look at 'Our People' site including our Empowered Women in Tech.
Aug 10, 2026
Full time
Colt provides network, voice and data centre services to thousands of businesses around the world, allowing them to focus on delivering their business goals instead of the underlying infrastructure. Why we need this role We are seeking a highly skilled Senior Linux Administrator who will act as a technical subject matter expert within the Linux Engineering team. The role is accountable for designing, implementing, supporting, and optimising the Linux infrastructure that underpins critical business applications. The successful candidate will work as part of a team supporting approximately 4000 Linux systems, contributing to technology roadmaps, automation initiatives, operational excellence, and continuous improvement. This role requires deep technical expertise, strong troubleshooting skills, and the ability to collaborate effectively with architecture, security, and operations teams across the organisation. What you will do Serve as a senior technical expert for Linux systems, providing advanced engineering support and guidance. Contribute to the definition and implementation of technology roadmaps for Linux infrastructure and associated services. Develop and maintain operating procedures to ensure secure, stable, and efficient system management. Design and implement solutions that meet security, compliance, resilience, and high availability requirements. Drive automation using Ansible and other tools to streamline operational tasks and reduce manual effort. Lead complex troubleshooting activities across Linux platforms and integrated technologies. Support patching, hardening, and configuration management activities aligned to security and compliance standards. Work closely with security and compliance teams to ensure adherence to regulatory frameworks and internal controls. Support and enhance DNS and identity management solutions, including Red Hat and Oracle LDAP. Develop and maintain documentation for engineering solutions, operational processes, and compliance audits. Participate in the Infrastructure Operations on call rota to provide out of hours support for priority incidents What we're looking for Supporting the Infrastructure Team to design, implement and maintain IT infrastructure components, including servers, networks, storage systems, and cloud resources. Troubleshooting and resolving technical issues related to infrastructure components to ensure uninterrupted operations. Monitoring and optimizing the performance, security, and availability of IT infrastructure. Providing subject matter expertise to develop and execute infrastructure projects and strategies. Supporting disaster recovery and business continuity planning and testing. Contributing to the assessment and selection of vendors for hardware, software, and service provision. Qualification Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience). 8+ years of Linux administration experience, ideally within a large scale or enterprise environment. Experience with cloud platforms (AWS, Azure, GCP). Familiarity with containerization (Docker, Kubernetes). Certifications such as RHCE, LFCS, LFCE, or security related credentials. What we offer you: At Colt, you'll make a difference. Because around here, we empower people. We don't tell you what to do. Instead, we employ people we trust, who come together across the globe to create intelligent solutions. Our global teams are full of ambitious, driven people, all working together towards one shared purpose: to put the power of the digital universe in the hands of our customers wherever, whenever and however they want. We give our people the opportunity to inspire and lead teams, and work on projects that connect people, cities, businesses, and ideas. We want you to help us change the world, for the better. Diversity and inclusion Inclusion and valuing diversity of thought and experience are at the heart of our culture here at Colt. From day one, you'll be encouraged to be yourself because we believe that's what helps our people to thrive. We welcome people with diverse backgrounds and experiences, regardless of their gender identity or expression, sexual orientation, race, religion, disability, neurodiversity, age, marital status, pregnancy status, or place of birth. Most recently we have: Signed the UN Women Empowerment Principles which guide our Gender Action Plan Trained 60 (and growing) Colties to be Mental Health First Aiders Please speak with a member of our recruitment team if you require adjustments to our recruitment process to support you. For more information about our Inclusion and Diversity agenda, visit our DEI pages. Our benefits support you through all parts of life, for both physical and mental health. Flexible working hours and the option to work from home. Extensive induction program with experienced mentors and buddies. Opportunities for further development and educational opportunities. Global Family Leave Policy. Employee Assistance Program. Internal inclusion & diversity employee networks. A global network When you join Colt you become part of our global network. We are proud of our colleagues and the stories and experience they bring - take a look at 'Our People' site including our Empowered Women in Tech.
We are delighted to be working in partnership with an established market leader in managed communications technology and systems integration who develop their own products. For over 40 years, they've been at the forefront of innovation, transforming customer experiences through smarter communications, automation, analytics and AI. They deliver transformative communication and CX solutions throughout the UK and internationally, supporting clients with global reach and ambition. As the business expands, they are looking to onboard a DevOps SysAdmin to support teams across the business for both internal and hosted infrastructures including hardware, operating systems and server-based applications. As a Senior DevOps Systems Administrator, you'll lead automation efforts, work with cutting-edge tools, and be trusted to make key decisions that influence the direction of the business. The DevOps Engineer will help architect robust hybrid cloud solutions and streamline infrastructure with tools like Terraform, Ansible, and GitHub Actions. You'll be working in a collaborative environment that invests in your development - with clear progression, technical certifications, and the opportunity to mentor others whilst growing your leadership skills. Key Responsibilities will include: Design, deploy and support infrastructure across AWS and private cloud Automate infrastructure with Terraform and Ansible Build and maintain CI/CD pipelines using GitHub Actions Implement observability tools (Grafana, Prometheus, CloudWatch) Work across teams to improve reliability and security Manage hybrid networks, IAM, firewalls and VPNs The successful DevOps Systems Administrator will have: At least 3-5 years of DevOps experience, including hands-on AWS, Experience with VMware. Proxmox desirable but not essential. Strong Linux skills with networking and cloud security knowledge. Experience of working with Terraform, Ansible, and Kubernetes (e.g. EKS) Confident scripting in Bash, Python or Go AWS Certifications and knowledge of security tools such as Trivy would be beneficial. This is a fantastic and exciting opportunity for an experienced Systems Administrator, DevOps Engineer or Platform/Cloud Engineer to work as part of a people-first company that holds exceptional staff retention rates and career development opportunities. The role comes with a generous benefits package, including retail discounts, private healthcare, flexible working arrangements and many more. If you're ambitious, curious and can demonstrate loyalty as an employee, this is your chance to learn and grow your career in a company with pedigree, purpose and potential. Please not that this is a permanent position seeking candidates that can demonstrate longevity of service with their former employers.
Aug 06, 2026
Full time
We are delighted to be working in partnership with an established market leader in managed communications technology and systems integration who develop their own products. For over 40 years, they've been at the forefront of innovation, transforming customer experiences through smarter communications, automation, analytics and AI. They deliver transformative communication and CX solutions throughout the UK and internationally, supporting clients with global reach and ambition. As the business expands, they are looking to onboard a DevOps SysAdmin to support teams across the business for both internal and hosted infrastructures including hardware, operating systems and server-based applications. As a Senior DevOps Systems Administrator, you'll lead automation efforts, work with cutting-edge tools, and be trusted to make key decisions that influence the direction of the business. The DevOps Engineer will help architect robust hybrid cloud solutions and streamline infrastructure with tools like Terraform, Ansible, and GitHub Actions. You'll be working in a collaborative environment that invests in your development - with clear progression, technical certifications, and the opportunity to mentor others whilst growing your leadership skills. Key Responsibilities will include: Design, deploy and support infrastructure across AWS and private cloud Automate infrastructure with Terraform and Ansible Build and maintain CI/CD pipelines using GitHub Actions Implement observability tools (Grafana, Prometheus, CloudWatch) Work across teams to improve reliability and security Manage hybrid networks, IAM, firewalls and VPNs The successful DevOps Systems Administrator will have: At least 3-5 years of DevOps experience, including hands-on AWS, Experience with VMware. Proxmox desirable but not essential. Strong Linux skills with networking and cloud security knowledge. Experience of working with Terraform, Ansible, and Kubernetes (e.g. EKS) Confident scripting in Bash, Python or Go AWS Certifications and knowledge of security tools such as Trivy would be beneficial. This is a fantastic and exciting opportunity for an experienced Systems Administrator, DevOps Engineer or Platform/Cloud Engineer to work as part of a people-first company that holds exceptional staff retention rates and career development opportunities. The role comes with a generous benefits package, including retail discounts, private healthcare, flexible working arrangements and many more. If you're ambitious, curious and can demonstrate loyalty as an employee, this is your chance to learn and grow your career in a company with pedigree, purpose and potential. Please not that this is a permanent position seeking candidates that can demonstrate longevity of service with their former employers.
We are seeking a skilled and proactive IT Systems Administrator to join our IT team. The successful candidate will be responsible for the maintenance, support, and continuous improvement of the organisation's Operational Technology (OT) and Enterprise IT infrastructure, ensuring the availability, security, and optimal performance of all systems and networks. This is an excellent opportunity for an experienced IT professional who enjoys troubleshooting technical issues, managing infrastructure projects, and delivering exceptional support to users. Systems Administrator Key Responsibilities Administer and maintain our office network infrastructure, Linux endpoint devices and Linux servers. Manage our Google Workspace environment. Provide technical support to our users, handling both day to day issues and more complex problems. Support our application services on Google Cloud Platform and other cloud vendors. Monitor system performance, availability, and security. Manage backup, disaster recovery, and business continuity processes. Implement security updates, patches, and vulnerability remediation. Maintain documentation for systems, procedures, and configurations. Assist with IT projects, system upgrades, and infrastructure improvements. Ensure compliance with company IT policies and security standards. Systems Administrator Essential Requirements Proven experience as an IT Systems Administrator or similar role. Strong knowledge of Linux administration and shell scripting. Experience with Google Workspace (preferred) or Microsoft Entra ID. Understanding of IP networking concepts including DNS, DHCP, VLANs, VPNs, and firewalls, and web application technologies. Strong troubleshooting and problem-solving skills. Ability to prioritise tasks and work independently. Systems Administrator Desirable Qualifications Bachelor's degree in STEM subjects Knowledge of cybersecurity best practices. Experience with a well known automation technology such as Ansible (preferred). Familiarity with managing cloud infrastructure such as Google Cloud Platform (preferred) or Amazon Web Services.
Aug 05, 2026
Full time
We are seeking a skilled and proactive IT Systems Administrator to join our IT team. The successful candidate will be responsible for the maintenance, support, and continuous improvement of the organisation's Operational Technology (OT) and Enterprise IT infrastructure, ensuring the availability, security, and optimal performance of all systems and networks. This is an excellent opportunity for an experienced IT professional who enjoys troubleshooting technical issues, managing infrastructure projects, and delivering exceptional support to users. Systems Administrator Key Responsibilities Administer and maintain our office network infrastructure, Linux endpoint devices and Linux servers. Manage our Google Workspace environment. Provide technical support to our users, handling both day to day issues and more complex problems. Support our application services on Google Cloud Platform and other cloud vendors. Monitor system performance, availability, and security. Manage backup, disaster recovery, and business continuity processes. Implement security updates, patches, and vulnerability remediation. Maintain documentation for systems, procedures, and configurations. Assist with IT projects, system upgrades, and infrastructure improvements. Ensure compliance with company IT policies and security standards. Systems Administrator Essential Requirements Proven experience as an IT Systems Administrator or similar role. Strong knowledge of Linux administration and shell scripting. Experience with Google Workspace (preferred) or Microsoft Entra ID. Understanding of IP networking concepts including DNS, DHCP, VLANs, VPNs, and firewalls, and web application technologies. Strong troubleshooting and problem-solving skills. Ability to prioritise tasks and work independently. Systems Administrator Desirable Qualifications Bachelor's degree in STEM subjects Knowledge of cybersecurity best practices. Experience with a well known automation technology such as Ansible (preferred). Familiarity with managing cloud infrastructure such as Google Cloud Platform (preferred) or Amazon Web Services.
IT Systems Engineer Linux Infrastructure Networking Oxford Hybrid (3 Days in Office) Competitive Salary + Excellent Benefits My client is looking for a talented IT Systems Engineer to join their growing technology team. This is an exciting opportunity for a hands-on infrastructure professional who enjoys working across Linux, Windows, networking and physical hardware within a highly innovative engineering environment. Working as part of a specialist infrastructure team, you'll help build, maintain and improve the systems that support advanced engineering and technical operations. This role is ideal for someone who enjoys solving complex technical challenges, working with cutting-edge technologies and contributing to the reliability and scalability of critical infrastructure. The Role As an IT Systems Engineer, you'll play a key role in supporting and developing the infrastructure that underpins advanced engineering systems. You'll work across Linux and Windows environments, physical servers, networking and specialist hardware, ensuring systems are reliable, secure and ready to support business growth. You'll collaborate closely with Infrastructure, DevOps and Engineering teams to resolve technical issues, improve operational processes and help automate infrastructure deployment and management. Key Responsibilities Build, configure and maintain IT infrastructure, including physical servers, operating systems and networking equipment. Support Linux and Windows environments across engineering and business-critical systems. Troubleshoot infrastructure issues across hardware, operating systems, networking and connected devices. Configure and maintain network infrastructure, including managed switches, VLANs, firewalls and segmented networks. Support the integration of specialist hardware and bespoke technical equipment into IT environments. Assist with server provisioning, infrastructure deployment and system configuration. Develop and maintain technical documentation, runbooks and operational procedures. Contribute to infrastructure automation and configuration management using tools such as Ansible, Terraform or similar. Work collaboratively with Infrastructure, DevOps and Engineering teams to deliver reliable, scalable technology solutions. Help improve processes through automation, documentation and continuous improvement initiatives. About You You'll be an experienced Infrastructure Engineer, Systems Engineer or Systems Administrator with strong technical troubleshooting skills and a passion for working in complex, hands-on IT environments. You'll enjoy working with both hardware and software, have a proactive approach to problem solving and be keen to develop modern infrastructure practices. Skills & Experience Strong experience supporting Linux and Windows server environments. Solid background in IT Infrastructure or Systems Engineering. Experience working with physical servers, storage and virtualised environments. Good networking knowledge, including TCP/IP, VLANs, routing, managed switches and firewalls. Experience troubleshooting hardware, operating systems and network infrastructure. Familiarity with automation and configuration management tools such as Ansible, Terraform or similar. Ability to produce clear technical documentation and operational procedures. Strong communication skills with the ability to work effectively across technical teams. Desirable Skills VMware or other virtualisation platforms. Infrastructure as Code (IaC). PowerShell, Bash or Python scripting. Kubernetes or container technologies. Server provisioning and hardware deployment. Experience working within engineering, manufacturing, scientific, research or industrial environments. Knowledge of configuration management and infrastructure automation best practices. What's on Offer This is an excellent opportunity to join an innovative organisation where technology is at the heart of everything they do. You'll work on varied and technically challenging infrastructure projects, collaborate with highly skilled engineering teams and have the opportunity to develop your expertise while helping build scalable, resilient IT systems. If you're an experienced IT Systems Engineer looking for your next challenge in a collaborative and technology-focused environment, we'd love to hear from you. IT Systems Engineer - Linux Infrastructure Networking - Oxford
Jul 31, 2026
Full time
IT Systems Engineer Linux Infrastructure Networking Oxford Hybrid (3 Days in Office) Competitive Salary + Excellent Benefits My client is looking for a talented IT Systems Engineer to join their growing technology team. This is an exciting opportunity for a hands-on infrastructure professional who enjoys working across Linux, Windows, networking and physical hardware within a highly innovative engineering environment. Working as part of a specialist infrastructure team, you'll help build, maintain and improve the systems that support advanced engineering and technical operations. This role is ideal for someone who enjoys solving complex technical challenges, working with cutting-edge technologies and contributing to the reliability and scalability of critical infrastructure. The Role As an IT Systems Engineer, you'll play a key role in supporting and developing the infrastructure that underpins advanced engineering systems. You'll work across Linux and Windows environments, physical servers, networking and specialist hardware, ensuring systems are reliable, secure and ready to support business growth. You'll collaborate closely with Infrastructure, DevOps and Engineering teams to resolve technical issues, improve operational processes and help automate infrastructure deployment and management. Key Responsibilities Build, configure and maintain IT infrastructure, including physical servers, operating systems and networking equipment. Support Linux and Windows environments across engineering and business-critical systems. Troubleshoot infrastructure issues across hardware, operating systems, networking and connected devices. Configure and maintain network infrastructure, including managed switches, VLANs, firewalls and segmented networks. Support the integration of specialist hardware and bespoke technical equipment into IT environments. Assist with server provisioning, infrastructure deployment and system configuration. Develop and maintain technical documentation, runbooks and operational procedures. Contribute to infrastructure automation and configuration management using tools such as Ansible, Terraform or similar. Work collaboratively with Infrastructure, DevOps and Engineering teams to deliver reliable, scalable technology solutions. Help improve processes through automation, documentation and continuous improvement initiatives. About You You'll be an experienced Infrastructure Engineer, Systems Engineer or Systems Administrator with strong technical troubleshooting skills and a passion for working in complex, hands-on IT environments. You'll enjoy working with both hardware and software, have a proactive approach to problem solving and be keen to develop modern infrastructure practices. Skills & Experience Strong experience supporting Linux and Windows server environments. Solid background in IT Infrastructure or Systems Engineering. Experience working with physical servers, storage and virtualised environments. Good networking knowledge, including TCP/IP, VLANs, routing, managed switches and firewalls. Experience troubleshooting hardware, operating systems and network infrastructure. Familiarity with automation and configuration management tools such as Ansible, Terraform or similar. Ability to produce clear technical documentation and operational procedures. Strong communication skills with the ability to work effectively across technical teams. Desirable Skills VMware or other virtualisation platforms. Infrastructure as Code (IaC). PowerShell, Bash or Python scripting. Kubernetes or container technologies. Server provisioning and hardware deployment. Experience working within engineering, manufacturing, scientific, research or industrial environments. Knowledge of configuration management and infrastructure automation best practices. What's on Offer This is an excellent opportunity to join an innovative organisation where technology is at the heart of everything they do. You'll work on varied and technically challenging infrastructure projects, collaborate with highly skilled engineering teams and have the opportunity to develop your expertise while helping build scalable, resilient IT systems. If you're an experienced IT Systems Engineer looking for your next challenge in a collaborative and technology-focused environment, we'd love to hear from you. IT Systems Engineer - Linux Infrastructure Networking - Oxford
Senior Linux Systems Administrator (DV Cleared / DV Eligible) Location: Near Reading (Hybrid) Salary: Competitive + Bonus + Excellent Benefits + 5,000 DV Allowance (where applicable) Senior Linux Systems Administrator We're partnering with a leading organisation delivering secure technology solutions that support some of the UK's most critical national infrastructure programmes. This is an opportunity to join a highly skilled engineering team responsible for maintaining and evolving a large-scale data platform that underpins advanced cyber security and data science capabilities. Working within a DevOps environment, you'll help deliver continuous improvements across a secure, mission-critical infrastructure. Due to the nature of the work, candidates must be eligible to obtain Developed Vetting (DV) Security Clearance. The Opportunity As a Senior Linux Systems Administrator, you'll play a key role in supporting and enhancing enterprise Linux environments while driving automation and operational excellence across the platform. You'll work alongside experienced infrastructure, security and DevOps engineers, solving complex technical challenges in an environment where reliability, performance and security are paramount. Key Responsibilities Administer, maintain and optimise enterprise Linux server environments across production and development platforms. Manage VMware vSphere infrastructure, including ESXi hosts, virtual machines and resource allocation. Develop and enhance infrastructure automation using Ansible and related tooling. Troubleshoot complex operating system, networking, storage and performance issues. Support secure platform operations within a highly regulated environment. Collaborate with engineering teams to deliver continuous improvements through DevOps best practices. Assist with integration and interoperability between Linux and Windows Server environments where required. Essential Skills Strong Linux administration experience (RHEL, Rocky Linux or similar) Excellent troubleshooting and problem-solving skills Shell scripting (Bash) Infrastructure automation experience Continuous Integration / DevOps experience Strong understanding of enterprise IT infrastructure Knowledge of IT security principles Desirable Experience VMware vSphere / ESXi administration Ansible or similar configuration management tools Networking, storage and Linux permissions Windows Server administration Experience supporting highly secure or regulated environments Security Requirements Due to the sensitive nature of this work, applicants must be eligible to obtain Developed Vetting (DV) Security Clearance. To be eligible, you will typically need to have: Lived in the UK continuously for the past 10 years. Be willing to undergo comprehensive government security vetting. A DV allowance of 5,000 per annum may be payable whilst holding active clearance and working within a qualifying role. Working Pattern Based near Reading Week 1: Monday-Friday on-site Week 2: Monday-Thursday on-site, Friday remote 37.5 hours per week Benefits Annual performance bonus Excellent pension contribution Private healthcare options 24/7 online GP for you and your immediate family Enhanced family leave Holiday purchase scheme Flexible benefits package including dental and gym membership options Ongoing technical training and career development Opportunity to work on nationally significant technology programmes Rates depend on experience and client requirements
Jul 31, 2026
Full time
Senior Linux Systems Administrator (DV Cleared / DV Eligible) Location: Near Reading (Hybrid) Salary: Competitive + Bonus + Excellent Benefits + 5,000 DV Allowance (where applicable) Senior Linux Systems Administrator We're partnering with a leading organisation delivering secure technology solutions that support some of the UK's most critical national infrastructure programmes. This is an opportunity to join a highly skilled engineering team responsible for maintaining and evolving a large-scale data platform that underpins advanced cyber security and data science capabilities. Working within a DevOps environment, you'll help deliver continuous improvements across a secure, mission-critical infrastructure. Due to the nature of the work, candidates must be eligible to obtain Developed Vetting (DV) Security Clearance. The Opportunity As a Senior Linux Systems Administrator, you'll play a key role in supporting and enhancing enterprise Linux environments while driving automation and operational excellence across the platform. You'll work alongside experienced infrastructure, security and DevOps engineers, solving complex technical challenges in an environment where reliability, performance and security are paramount. Key Responsibilities Administer, maintain and optimise enterprise Linux server environments across production and development platforms. Manage VMware vSphere infrastructure, including ESXi hosts, virtual machines and resource allocation. Develop and enhance infrastructure automation using Ansible and related tooling. Troubleshoot complex operating system, networking, storage and performance issues. Support secure platform operations within a highly regulated environment. Collaborate with engineering teams to deliver continuous improvements through DevOps best practices. Assist with integration and interoperability between Linux and Windows Server environments where required. Essential Skills Strong Linux administration experience (RHEL, Rocky Linux or similar) Excellent troubleshooting and problem-solving skills Shell scripting (Bash) Infrastructure automation experience Continuous Integration / DevOps experience Strong understanding of enterprise IT infrastructure Knowledge of IT security principles Desirable Experience VMware vSphere / ESXi administration Ansible or similar configuration management tools Networking, storage and Linux permissions Windows Server administration Experience supporting highly secure or regulated environments Security Requirements Due to the sensitive nature of this work, applicants must be eligible to obtain Developed Vetting (DV) Security Clearance. To be eligible, you will typically need to have: Lived in the UK continuously for the past 10 years. Be willing to undergo comprehensive government security vetting. A DV allowance of 5,000 per annum may be payable whilst holding active clearance and working within a qualifying role. Working Pattern Based near Reading Week 1: Monday-Friday on-site Week 2: Monday-Thursday on-site, Friday remote 37.5 hours per week Benefits Annual performance bonus Excellent pension contribution Private healthcare options 24/7 online GP for you and your immediate family Enhanced family leave Holiday purchase scheme Flexible benefits package including dental and gym membership options Ongoing technical training and career development Opportunity to work on nationally significant technology programmes Rates depend on experience and client requirements
CBSbutler Holdings Limited trading as CBSbutler
Reading, Oxfordshire
Systems Engineer - Azure months + +Hybrid working in Reading +SC cleared role +Sole British nationals only due to nature of the project +Inside IR35 + 500 - 535 a day Working within the Infrastructure & Platform Services team, you will help support, maintain and enhance enterprise infrastructure, cloud services and platform technologies. You'll contribute to secure, reliable and resilient services across Microsoft Azure and on-premise environments while supporting automation and modern infrastructure initiatives. Key Responsibilities Support and administer cloud and on-premises infrastructure. Maintain Windows Server and Linux environments. Deploy, configure and support Microsoft Azure services. Support virtualisation platforms including VMware and Hyper-V. Assist with Kubernetes and OpenShift platform administration. Monitor infrastructure performance, availability and capacity. Support incident, problem and change management activities. Assist with backup, disaster recovery and business continuity processes. Contribute to Infrastructure as Code (IaC) and automation initiatives. Produce and maintain technical documentation. Work closely with senior engineers to improve platform reliability and operational performance. Essential Skills & Experience Experience supporting Windows Server and/or Linux environments. Understanding of Microsoft Azure services and cloud technologies. Knowledge of networking fundamentals including TCP/IP, DNS, DHCP, VPNs and firewalls. Experience with virtualisation technologies such as VMware or Hyper-V. Familiarity with infrastructure monitoring and operational support. Understanding of security principles and access management. Knowledge of backup, recovery and disaster recovery concepts. Strong troubleshooting and analytical skills. Excellent communication skills and the ability to work within a collaborative engineering team. Desirable Skills Microsoft Azure Fundamentals (AZ-900) and/or Azure Administrator (AZ-104). Experience with Kubernetes, OpenShift and Docker. Exposure to Terraform, Ansible or other Infrastructure as Code tools. Scripting skills in PowerShell, Bash or Python. Experience with Grafana, Prometheus or Azure Monitor. Knowledge of DevOps practices and hybrid cloud environments. ITIL Foundation certification. If you'd like to discuss this Systems Engineer - Azure role in more detail, please send your updated CV to (url removed) and I will get in touch.
Jul 31, 2026
Contractor
Systems Engineer - Azure months + +Hybrid working in Reading +SC cleared role +Sole British nationals only due to nature of the project +Inside IR35 + 500 - 535 a day Working within the Infrastructure & Platform Services team, you will help support, maintain and enhance enterprise infrastructure, cloud services and platform technologies. You'll contribute to secure, reliable and resilient services across Microsoft Azure and on-premise environments while supporting automation and modern infrastructure initiatives. Key Responsibilities Support and administer cloud and on-premises infrastructure. Maintain Windows Server and Linux environments. Deploy, configure and support Microsoft Azure services. Support virtualisation platforms including VMware and Hyper-V. Assist with Kubernetes and OpenShift platform administration. Monitor infrastructure performance, availability and capacity. Support incident, problem and change management activities. Assist with backup, disaster recovery and business continuity processes. Contribute to Infrastructure as Code (IaC) and automation initiatives. Produce and maintain technical documentation. Work closely with senior engineers to improve platform reliability and operational performance. Essential Skills & Experience Experience supporting Windows Server and/or Linux environments. Understanding of Microsoft Azure services and cloud technologies. Knowledge of networking fundamentals including TCP/IP, DNS, DHCP, VPNs and firewalls. Experience with virtualisation technologies such as VMware or Hyper-V. Familiarity with infrastructure monitoring and operational support. Understanding of security principles and access management. Knowledge of backup, recovery and disaster recovery concepts. Strong troubleshooting and analytical skills. Excellent communication skills and the ability to work within a collaborative engineering team. Desirable Skills Microsoft Azure Fundamentals (AZ-900) and/or Azure Administrator (AZ-104). Experience with Kubernetes, OpenShift and Docker. Exposure to Terraform, Ansible or other Infrastructure as Code tools. Scripting skills in PowerShell, Bash or Python. Experience with Grafana, Prometheus or Azure Monitor. Knowledge of DevOps practices and hybrid cloud environments. ITIL Foundation certification. If you'd like to discuss this Systems Engineer - Azure role in more detail, please send your updated CV to (url removed) and I will get in touch.
Hays are now looking for a Linux SysAdmin Engineer (RHEL) for one of our local clients: 385 p/d InsIde IR35 6-12 month contract Remote Eligible for BPSS and SC clearance We're looking for an experienced Red Hat Linux Systems Administrator to support and maintain enterprise Linux infrastructure. The role will focus on system administration, automation, virtualization and platform lifecycle management, ensuring secure, reliable and highly available services across the environment. What you'll be doing Administer, maintain and optimise Red Hat Enterprise Linux (RHEL) environments. Configure and manage virtualised infrastructure using KVM and related technologies. Develop and maintain Ansible playbooks for system automation, deployments and configuration management. Manage patching, provisioning and lifecycle activities using Red Hat Satellite. Create and maintain Shell/Bash scripts to automate operational tasks and system processes. Monitor system performance, troubleshoot issues and perform root cause analysis. Manage servers and platforms through the Linux command line interface. Support system upgrades, deployments and infrastructure improvements. Work closely with security, development and delivery teams to ensure platform stability and compliance. Contribute to operational documentation, standards and best practices. What we're looking for Strong experience administering Red Hat Enterprise Linux (RHEL) environments. Advanced Linux command line (CLI) skills. Proven Shell/Bash scripting experience for automation and systems management. Hands-on experience with Ansible for infrastructure automation and configuration management. Experience managing virtualisation platforms, particularly KVM. Knowledge of Red Hat Satellite for patching, provisioning and lifecycle management. Strong troubleshooting and performance tuning skills across Linux environments. Experience supporting enterprise-scale production systems. Understanding of security, patch management and platform compliance requirements. Ability to work collaboratively with technical and non-technical stakeholders in an Agile or project-based environment. If you are BPSS eligible and you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or send a copy to Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)
Jul 30, 2026
Contractor
Hays are now looking for a Linux SysAdmin Engineer (RHEL) for one of our local clients: 385 p/d InsIde IR35 6-12 month contract Remote Eligible for BPSS and SC clearance We're looking for an experienced Red Hat Linux Systems Administrator to support and maintain enterprise Linux infrastructure. The role will focus on system administration, automation, virtualization and platform lifecycle management, ensuring secure, reliable and highly available services across the environment. What you'll be doing Administer, maintain and optimise Red Hat Enterprise Linux (RHEL) environments. Configure and manage virtualised infrastructure using KVM and related technologies. Develop and maintain Ansible playbooks for system automation, deployments and configuration management. Manage patching, provisioning and lifecycle activities using Red Hat Satellite. Create and maintain Shell/Bash scripts to automate operational tasks and system processes. Monitor system performance, troubleshoot issues and perform root cause analysis. Manage servers and platforms through the Linux command line interface. Support system upgrades, deployments and infrastructure improvements. Work closely with security, development and delivery teams to ensure platform stability and compliance. Contribute to operational documentation, standards and best practices. What we're looking for Strong experience administering Red Hat Enterprise Linux (RHEL) environments. Advanced Linux command line (CLI) skills. Proven Shell/Bash scripting experience for automation and systems management. Hands-on experience with Ansible for infrastructure automation and configuration management. Experience managing virtualisation platforms, particularly KVM. Knowledge of Red Hat Satellite for patching, provisioning and lifecycle management. Strong troubleshooting and performance tuning skills across Linux environments. Experience supporting enterprise-scale production systems. Understanding of security, patch management and platform compliance requirements. Ability to work collaboratively with technical and non-technical stakeholders in an Agile or project-based environment. If you are BPSS eligible and you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or send a copy to Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)
DevOps Cloud Engineer / Linux Systems Administrator - Working in a vibrant and fast-moving financial environment utilizing cutting edge technology with an excellent package and benefits. Candidates must come from a Linux Systems Administrators Background (as opposed to Software Engineering) and have recent Linux Administration experience and some previous Financial/Banking experience. Job Overview The position is for a Senior Cloud and DevOPS Engineer with STRONG Linux Systems Administration background to join a team maintaining existing and building new infrastructure, sharing knowledge and best practices. This is an incredibly varied role, covering all aspects of automation and management of low latency trading platforms both on premise and cloud as well as supporting clients with their implementation of The Company's Technology solutions. The successful candidate will be a key player within a small but highly technical infrastructure team. Responsibilities and Duties Develop and deliver automated multi-account global cloud infrastructure using infrastructure as code (Terraform). Enhance the automation of current processes both cloud and on-premise by using Scripting languages such as Ansible, Python and other automation tools. Work with the development team to take over and productionise new technologies and workflows. Collaborate with DevOps, development and infrastructure teams around architectural design and cloud best practices. Provide support to development and ops teams; this includes, build Servers, virtual environments and CI/CD pipelines. Assist the Linux team with deployment and maintenance of software/operating system/hardware using systems and configuration management tools (Ansible, Terraform) Systems capacity planning; creating and maintaining a scalable system for Dev, QA, Test and Production. Prepare and maintain up to date documentation. Required Skills/Experience 5+ years' experience architecting, building, and operating systems on multi-account AWS and GCP platforms. 5+ years DevOps - Strong CI/CD Pipelines, Deployment Strategies, Monitoring, automation. Experience with OpenShift / Kubernetes Strong Linux system administration (RedHat/CentOS or similar). 5+ years' experience with automation languages such as Python, bash, Ansible and Terraform. Experience with Build, Release and Version Control Systems such as Git, GitLab etc. Extensive proven experience with AWS network and security implementations and management. Experience administering and maintaining systems monitoring/alerting technologies (CloudWatch, Splunk, Nagios, Rapid7, Grafana etc.). Proven experience with containerisation - Docker/Kubernetes/ECS/ECR, etc., Database administration - MySQL, QuestDB, Elasticsearch. Experience with multiple cloud providers AWS and GCP - Azure a bonus. Demonstrate strong verbal and written communication skills. Competitive salary in the £110/130k range + Bonus + Benefits
Jun 01, 2026
Full time
DevOps Cloud Engineer / Linux Systems Administrator - Working in a vibrant and fast-moving financial environment utilizing cutting edge technology with an excellent package and benefits. Candidates must come from a Linux Systems Administrators Background (as opposed to Software Engineering) and have recent Linux Administration experience and some previous Financial/Banking experience. Job Overview The position is for a Senior Cloud and DevOPS Engineer with STRONG Linux Systems Administration background to join a team maintaining existing and building new infrastructure, sharing knowledge and best practices. This is an incredibly varied role, covering all aspects of automation and management of low latency trading platforms both on premise and cloud as well as supporting clients with their implementation of The Company's Technology solutions. The successful candidate will be a key player within a small but highly technical infrastructure team. Responsibilities and Duties Develop and deliver automated multi-account global cloud infrastructure using infrastructure as code (Terraform). Enhance the automation of current processes both cloud and on-premise by using Scripting languages such as Ansible, Python and other automation tools. Work with the development team to take over and productionise new technologies and workflows. Collaborate with DevOps, development and infrastructure teams around architectural design and cloud best practices. Provide support to development and ops teams; this includes, build Servers, virtual environments and CI/CD pipelines. Assist the Linux team with deployment and maintenance of software/operating system/hardware using systems and configuration management tools (Ansible, Terraform) Systems capacity planning; creating and maintaining a scalable system for Dev, QA, Test and Production. Prepare and maintain up to date documentation. Required Skills/Experience 5+ years' experience architecting, building, and operating systems on multi-account AWS and GCP platforms. 5+ years DevOps - Strong CI/CD Pipelines, Deployment Strategies, Monitoring, automation. Experience with OpenShift / Kubernetes Strong Linux system administration (RedHat/CentOS or similar). 5+ years' experience with automation languages such as Python, bash, Ansible and Terraform. Experience with Build, Release and Version Control Systems such as Git, GitLab etc. Extensive proven experience with AWS network and security implementations and management. Experience administering and maintaining systems monitoring/alerting technologies (CloudWatch, Splunk, Nagios, Rapid7, Grafana etc.). Proven experience with containerisation - Docker/Kubernetes/ECS/ECR, etc., Database administration - MySQL, QuestDB, Elasticsearch. Experience with multiple cloud providers AWS and GCP - Azure a bonus. Demonstrate strong verbal and written communication skills. Competitive salary in the £110/130k range + Bonus + Benefits
I'm working with BAE Systems in Preston on helping them source a Systems Administrator that has a couple of years' experience working with Linux (RHEL) and SIEM technologies. About the Role This role focuses on the day-to-day administration, monitoring, and support of Red Hat Linux servers within an enterprise environment click apply for full job details
May 30, 2026
Full time
I'm working with BAE Systems in Preston on helping them source a Systems Administrator that has a couple of years' experience working with Linux (RHEL) and SIEM technologies. About the Role This role focuses on the day-to-day administration, monitoring, and support of Red Hat Linux servers within an enterprise environment click apply for full job details
I'm working with BAE Systems in Preston on helping them source a Systems Administrator that has a couple of years' experience working with Linux (RHEL) and SIEM technologies. About the Role This role focuses on the day-to-day administration, monitoring, and support of Red Hat Linux servers within an enterprise environment. You'll be responsible for maintaining system health, troubleshooting issues, and ensuring reliable performance across both Linux and Windows platforms. Alongside core system administration duties, you'll support security tooling (SIEM and SOAR), ensuring systems are correctly configured to collect, process, and deliver accurate data. You'll also help onboard new systems and data sources, ensuring they integrate smoothly into the wider infrastructure. Working across teams and with external providers, you'll play a key role in diagnosing network and system issues, helping to maintain a secure and resilient IT environment. What You'll Be Doing Administering and supporting Red Hat Linux servers in a production environment Monitoring system performance, availability, and reliability Troubleshooting and resolving system and network issues Supporting the integration of systems into enterprise security platforms Assisting with onboarding servers, networks, and data sources Working with engineers and third-party providers to resolve escalated issues Contributing to system improvements, automation, and operational best practices What We're Looking For Experience in a Systems Administrator or similar infrastructure role Strong working knowledge of Linux (Red Hat preferred) and Windows environments Understanding of networking fundamentals and troubleshooting Familiarity with SIEM technologies (or an interest in security tooling) Scripting experience (e.g. Python, Bash) for automation and support tasks A methodical approach to troubleshooting and problem-solving Your Team You'll be joining an expanding Cyber Engineering function within Enterprise IT, supporting services across the UK and internationally. The team is responsible for maintaining and developing secure, enterprise-level systems and services. This role offers a clear pathway for progression, whether you want to deepen your expertise in systems administration or move further into cyber security. Why Join BAE Systems? Work on enterprise systems with real-world impact Develop your technical skills in both infrastructure and cyber security Access to ongoing training and career progression opportunities Flexible and hybrid working options Comprehensive benefits A Place Where You Can Thrive We're committed to building an inclusive workplace where everyone feels supported and valued. Different perspectives strengthen our teams and we want you to bring yours. Security Requirements You MUST be eligible for Security Check (SC) Clearance to be considered for this position. The salary is 35,000 to 40,000 plus an excellent benefits package and offers a hybrid working pattern of 1x day per week required in the office.
May 30, 2026
Full time
I'm working with BAE Systems in Preston on helping them source a Systems Administrator that has a couple of years' experience working with Linux (RHEL) and SIEM technologies. About the Role This role focuses on the day-to-day administration, monitoring, and support of Red Hat Linux servers within an enterprise environment. You'll be responsible for maintaining system health, troubleshooting issues, and ensuring reliable performance across both Linux and Windows platforms. Alongside core system administration duties, you'll support security tooling (SIEM and SOAR), ensuring systems are correctly configured to collect, process, and deliver accurate data. You'll also help onboard new systems and data sources, ensuring they integrate smoothly into the wider infrastructure. Working across teams and with external providers, you'll play a key role in diagnosing network and system issues, helping to maintain a secure and resilient IT environment. What You'll Be Doing Administering and supporting Red Hat Linux servers in a production environment Monitoring system performance, availability, and reliability Troubleshooting and resolving system and network issues Supporting the integration of systems into enterprise security platforms Assisting with onboarding servers, networks, and data sources Working with engineers and third-party providers to resolve escalated issues Contributing to system improvements, automation, and operational best practices What We're Looking For Experience in a Systems Administrator or similar infrastructure role Strong working knowledge of Linux (Red Hat preferred) and Windows environments Understanding of networking fundamentals and troubleshooting Familiarity with SIEM technologies (or an interest in security tooling) Scripting experience (e.g. Python, Bash) for automation and support tasks A methodical approach to troubleshooting and problem-solving Your Team You'll be joining an expanding Cyber Engineering function within Enterprise IT, supporting services across the UK and internationally. The team is responsible for maintaining and developing secure, enterprise-level systems and services. This role offers a clear pathway for progression, whether you want to deepen your expertise in systems administration or move further into cyber security. Why Join BAE Systems? Work on enterprise systems with real-world impact Develop your technical skills in both infrastructure and cyber security Access to ongoing training and career progression opportunities Flexible and hybrid working options Comprehensive benefits A Place Where You Can Thrive We're committed to building an inclusive workplace where everyone feels supported and valued. Different perspectives strengthen our teams and we want you to bring yours. Security Requirements You MUST be eligible for Security Check (SC) Clearance to be considered for this position. The salary is 35,000 to 40,000 plus an excellent benefits package and offers a hybrid working pattern of 1x day per week required in the office.
IT Systems Administrator - Near Cambridge My client, a fast-growing AI company based near Cambridge, is seeking an IT Systems Administrator to maintain, upgrade, and support the organisation's software, hardware, and network infrastructure. This is a hands-on, business-critical role ensuring all IT systems operate smoothly, securely, and efficiently across the company. You will work closely with technical and non-technical teams, taking ownership of day-to-day IT operations while helping to strengthen and scale the company's infrastructure as it continues to grow. Key Responsibilities Installing, configuring, and maintaining company software, hardware, and devices Managing network servers, storage systems, and internal technology tools Setting up user accounts, provisioning workstations, and managing access controls Monitoring system performance and ensuring uptime across all platforms Troubleshooting IT issues, diagnosing failures, and resolving outages promptly Implementing and maintaining cybersecurity protocols, including firewalls, backups, and security policies Upgrading systems with new releases, updates, and hardware improvements Producing and maintaining documentation, IT policies, and training materials Training employees on company software tools (e.g., password managers, internal systems) Establishing and maintaining a documented IT security policy Ensuring CCTV and digital security infrastructure is properly configured and operational Requirements Essential Experience in IT support, systems administration, or IT management Strong understanding of hardware, software, and networking fundamentals Ability to independently diagnose and resolve technical issues Knowledge of cybersecurity best practices Strong organisational skills and attention to detail Good communication skills, including the ability to support and train non-technical staff Proactive mindset with the ability to manage a varied workload across multiple systems Desirable Interest or experience in web development Experience with computational or electronics hardware Familiarity with CCTV, access-control systems, or digital security infrastructure Knowledge of Linux, cloud platforms, or virtualisation technologies Previous experience in a start-up or fast-paced technical environment Ability to produce and maintain technical IT documentation and policies Role Details Location: near Cambridge Working Pattern: Onsite, 5 days a week Scope: Broad role supporting all company-wide IT infrastructure Opportunity: Help shape and strengthen IT systems as the company continues to scale Interested? Please Click Apply Now! IT Systems Administrator
May 23, 2026
Full time
IT Systems Administrator - Near Cambridge My client, a fast-growing AI company based near Cambridge, is seeking an IT Systems Administrator to maintain, upgrade, and support the organisation's software, hardware, and network infrastructure. This is a hands-on, business-critical role ensuring all IT systems operate smoothly, securely, and efficiently across the company. You will work closely with technical and non-technical teams, taking ownership of day-to-day IT operations while helping to strengthen and scale the company's infrastructure as it continues to grow. Key Responsibilities Installing, configuring, and maintaining company software, hardware, and devices Managing network servers, storage systems, and internal technology tools Setting up user accounts, provisioning workstations, and managing access controls Monitoring system performance and ensuring uptime across all platforms Troubleshooting IT issues, diagnosing failures, and resolving outages promptly Implementing and maintaining cybersecurity protocols, including firewalls, backups, and security policies Upgrading systems with new releases, updates, and hardware improvements Producing and maintaining documentation, IT policies, and training materials Training employees on company software tools (e.g., password managers, internal systems) Establishing and maintaining a documented IT security policy Ensuring CCTV and digital security infrastructure is properly configured and operational Requirements Essential Experience in IT support, systems administration, or IT management Strong understanding of hardware, software, and networking fundamentals Ability to independently diagnose and resolve technical issues Knowledge of cybersecurity best practices Strong organisational skills and attention to detail Good communication skills, including the ability to support and train non-technical staff Proactive mindset with the ability to manage a varied workload across multiple systems Desirable Interest or experience in web development Experience with computational or electronics hardware Familiarity with CCTV, access-control systems, or digital security infrastructure Knowledge of Linux, cloud platforms, or virtualisation technologies Previous experience in a start-up or fast-paced technical environment Ability to produce and maintain technical IT documentation and policies Role Details Location: near Cambridge Working Pattern: Onsite, 5 days a week Scope: Broad role supporting all company-wide IT infrastructure Opportunity: Help shape and strengthen IT systems as the company continues to scale Interested? Please Click Apply Now! IT Systems Administrator
