CBSbutler Holdings Limited trading as CBSbutler
Corsham, Wiltshire
Security Infrastructure Engineer +6 months + +Hybrid in Corsham +Inside IR35 + 500 - 575 a day +SC / DV cleared role Skills: +SC / DV clearance +Vmware +Linux +Cyber Security +MOD experience We are seeking an experienced Security Infrastructure Engineer to support the Security Team in the installation, configuration, maintenance, and update of servers and software components. Working closely with the Project Manager (PM) , Technical Design Architect (TDA) , Security Assurance Coordinator (SAC) , and wider engineering teams, you will play a key role in delivering compliant, accredited, and secure infrastructure solutions within a complex defence environment. Key Responsibilities Support the installation, configuration, administration, and maintenance of secure infrastructure and software components. Work with the PM, TDA, and engineering teams to produce system security engineering designs, solutions, and documentation. Act as the primary security engineering conduit between PM, SAC, TDA, and engineering teams to ensure compliant security solutions. Attend and contribute to regular governance and review meetings, including the Security Working Group (SWG) . Engage with stakeholders and dependent projects to deliver coordinated security engineering solutions supporting accreditation and registrations Contribute to the Security Accreditation Plan in coordination with the Project SAC. Validate engineering designs against JSP 453 / JSP 604 , providing supporting evidence and documentation. Identify security risks, recommend mitigations, and advise on secure design decisions. Provide advice on in-service and emerging cyber security technologies, including cost, risk, and benefits analysis. Essential Knowledge, Skills & Experience Strong experience in security infrastructure engineering within secure or regulated environments. Infrastructure access control expertise, including: Ubuntu / Linux system administration LDAP design and management RADIUS / TACACS configuration Proven experience supporting the installation, configuration, administration, and support of secure infrastructure solutions. Strong understanding and administration of PKI hierarchies . Knowledge of security frameworks including NIST CSF , ISO 27001 , and MOD Secure by Design (SbD) . Experience providing security input to: Virtualisation technologies (VMware ESXi 8, vCentre 8) Network infrastructure (Cisco IOS-XE, ASA, BGP, VRF/MPLS, VPN, QoS) Clear understanding of JSP 604 / JSP 453 network security engineering compliance. Highly Desirable Qualifications Cyber security certifications such as: CompTIA Security+ GIAC Security Essentials (GSEC) Systems Security Certified Practitioner (SSCP) Desirable Skills & Experience Scripting and automation (Python, PHP). Delivery in high-pressure, complex organisational environments. Writing and analysing technical and security requirements. Supporting product selection against cost, performance, and timescale constraints. Experience working within large, multi-disciplinary technical teams. Knowledge of Cyber Essentials / Cyber Essentials Plus . Experience with penetration testing and system security assurance. In-date professional registration (e.g. APMG , CIISec ). Experience delivering secure solutions within the UK public sector, ideally Defence Digital . Delivery experience across Agile (SAFe4) and Waterfall methodologies. Knowledge of SCOM . If you'd like to discuss this Security Infrastructure Engineer role in more detail, please send your updated CV to (url removed) and I will get in touch.
Jan 10, 2026
Contractor
Security Infrastructure Engineer +6 months + +Hybrid in Corsham +Inside IR35 + 500 - 575 a day +SC / DV cleared role Skills: +SC / DV clearance +Vmware +Linux +Cyber Security +MOD experience We are seeking an experienced Security Infrastructure Engineer to support the Security Team in the installation, configuration, maintenance, and update of servers and software components. Working closely with the Project Manager (PM) , Technical Design Architect (TDA) , Security Assurance Coordinator (SAC) , and wider engineering teams, you will play a key role in delivering compliant, accredited, and secure infrastructure solutions within a complex defence environment. Key Responsibilities Support the installation, configuration, administration, and maintenance of secure infrastructure and software components. Work with the PM, TDA, and engineering teams to produce system security engineering designs, solutions, and documentation. Act as the primary security engineering conduit between PM, SAC, TDA, and engineering teams to ensure compliant security solutions. Attend and contribute to regular governance and review meetings, including the Security Working Group (SWG) . Engage with stakeholders and dependent projects to deliver coordinated security engineering solutions supporting accreditation and registrations Contribute to the Security Accreditation Plan in coordination with the Project SAC. Validate engineering designs against JSP 453 / JSP 604 , providing supporting evidence and documentation. Identify security risks, recommend mitigations, and advise on secure design decisions. Provide advice on in-service and emerging cyber security technologies, including cost, risk, and benefits analysis. Essential Knowledge, Skills & Experience Strong experience in security infrastructure engineering within secure or regulated environments. Infrastructure access control expertise, including: Ubuntu / Linux system administration LDAP design and management RADIUS / TACACS configuration Proven experience supporting the installation, configuration, administration, and support of secure infrastructure solutions. Strong understanding and administration of PKI hierarchies . Knowledge of security frameworks including NIST CSF , ISO 27001 , and MOD Secure by Design (SbD) . Experience providing security input to: Virtualisation technologies (VMware ESXi 8, vCentre 8) Network infrastructure (Cisco IOS-XE, ASA, BGP, VRF/MPLS, VPN, QoS) Clear understanding of JSP 604 / JSP 453 network security engineering compliance. Highly Desirable Qualifications Cyber security certifications such as: CompTIA Security+ GIAC Security Essentials (GSEC) Systems Security Certified Practitioner (SSCP) Desirable Skills & Experience Scripting and automation (Python, PHP). Delivery in high-pressure, complex organisational environments. Writing and analysing technical and security requirements. Supporting product selection against cost, performance, and timescale constraints. Experience working within large, multi-disciplinary technical teams. Knowledge of Cyber Essentials / Cyber Essentials Plus . Experience with penetration testing and system security assurance. In-date professional registration (e.g. APMG , CIISec ). Experience delivering secure solutions within the UK public sector, ideally Defence Digital . Delivery experience across Agile (SAFe4) and Waterfall methodologies. Knowledge of SCOM . If you'd like to discuss this Security Infrastructure Engineer role in more detail, please send your updated CV to (url removed) and I will get in touch.
VMware Architect Must have an Active DV Clearance Join a leading Defence and National Security programme as a VMware Architect, where you'll guide the technical strategy and delivery of secure, large-scale infrastructure services. This is a high-impact role for a collaborative leader who thrives on driving innovation and delivering mission critical solutions in complex, secure environments. About the Role - VMware Architect As a VMware Architect, you'll lead the design and technical delivery of core infrastructure components from conception through to live service. You'll collaborate across architecture, engineering, and service teams to ensure cohesive delivery aligned to strategic goals. Responsibilities include defining and governing solution architectures, maintaining design integrity, and ensuring alignment to customer and security requirements. You'll play a central role in shaping roadmaps and driving efficiency across multiple technical workstreams within an Agile delivery framework. What We're Looking For - VMware Architect Proven experience designing and delivering secure, large scale IaaS, PaaS, and workplace environments. Deep expertise in VMware technologies including vCenter, vCloud Foundation, vCloud Director, Horizon, and App Volumes. Strong understanding of architecture governance and delivery assurance. Excellent problem solving skills with the ability to lead collaborative design sessions and present complex ideas clearly. Experience working within Agile delivery models and large transformation programmes. Must hold DV clearance and be a sole UK national, with prior experience in highly secure environments. Lead the transformation of critical infrastructure and help define the future of secure digital services as a VMware Architect. To apply, please send your CV by pressing the apply button.
Jan 01, 2026
Full time
VMware Architect Must have an Active DV Clearance Join a leading Defence and National Security programme as a VMware Architect, where you'll guide the technical strategy and delivery of secure, large-scale infrastructure services. This is a high-impact role for a collaborative leader who thrives on driving innovation and delivering mission critical solutions in complex, secure environments. About the Role - VMware Architect As a VMware Architect, you'll lead the design and technical delivery of core infrastructure components from conception through to live service. You'll collaborate across architecture, engineering, and service teams to ensure cohesive delivery aligned to strategic goals. Responsibilities include defining and governing solution architectures, maintaining design integrity, and ensuring alignment to customer and security requirements. You'll play a central role in shaping roadmaps and driving efficiency across multiple technical workstreams within an Agile delivery framework. What We're Looking For - VMware Architect Proven experience designing and delivering secure, large scale IaaS, PaaS, and workplace environments. Deep expertise in VMware technologies including vCenter, vCloud Foundation, vCloud Director, Horizon, and App Volumes. Strong understanding of architecture governance and delivery assurance. Excellent problem solving skills with the ability to lead collaborative design sessions and present complex ideas clearly. Experience working within Agile delivery models and large transformation programmes. Must hold DV clearance and be a sole UK national, with prior experience in highly secure environments. Lead the transformation of critical infrastructure and help define the future of secure digital services as a VMware Architect. To apply, please send your CV by pressing the apply button.
IPsoft automates IT and business processes for enterprises across a wide range of industries. Through our portfolio of world leading autonomic and cognitive solutions we provide services that deliver clear outcomes and allow our clients to secure competitive advantage. Headquartered in New York City, IPsoft has offices in 13 countries across the world and serves more than 500 of the world's leading brands directly as well as more than half of the largest global IT services providers. Job Description Behind every 5-star client experience is YOU, the Windows Engineer. You design the server infrastructure of Global Fortune 500 partners/clients. You build and improve Cognitive Solutions on top of IPsoft's cutting-edge Autonomics Platform. As an IPsoft Engineer, you are a client-facing, fearless, Windows Guru who thrives in a fast-paced, dynamic Enterprise environment where you are truly rewarded for your hard work. By automating the mundane chores, you are free to focus on higher-level tasks and innovations. With every sip of complimentary coffee and every ticket worked, you are living the engineer's dream. Qualifications In a Typical Day, you will: Diagnose and remediate issues with Windows Server Infrastructure, and related roles and features, as well as other Microsoft and third-party Windows business infrastructure applications, while identifying recurring issues which can be remediated through automation. Work with clients to align our support to their requirements with a high level of attention and intimacy. Required Qualifications: Troubleshoot Advanced issues related to Active Directory topology, and related features, in a complex, multi -site and/or multi-domain environment Manage a server infrastructure with machines running Windows Server 2008, 2008 R2, 2012, and 2012 R2 Administer VMware vSphere infrastructure and Hosted Guest Machines from Windows based administration tools, such as the vSphere client and PowerCLI Document Standard Operating Procedures for troubleshooting. Develop automation using PowerShell Scripting to automate repetitive tasks in the client environments. Identify and develop monitoring checks needed to ensure the stability of client infrastructure. Investigate issues with Enterprise Communication and Collaboration technologies, such as Exchange, SharePoint, and Lync a plus Manage a backup architecture using software such as NetBackup or Tivoli a plus Identify recurring issues and drive automated resolution behind them Rock star (Preferred) Qualifications in addition to those required: Knowledge of maintaining other virtualization solutions such as Citrix a plus 3-5 years' experience managing a business infrastructure with 100+ machines Degree in computer systems or computer science preferred Ability to identify systematic solutions on a high level. Team Player Additional Information 7am-7pm shifts. 4 day rotation schedule. One week you may start on a Monday, and the next could be Tuesday , or Wednesday, etc. Also must be able to be/get security cleared. Meaning you have lived in the UK for 5 years continuously.
Jan 01, 2026
Full time
IPsoft automates IT and business processes for enterprises across a wide range of industries. Through our portfolio of world leading autonomic and cognitive solutions we provide services that deliver clear outcomes and allow our clients to secure competitive advantage. Headquartered in New York City, IPsoft has offices in 13 countries across the world and serves more than 500 of the world's leading brands directly as well as more than half of the largest global IT services providers. Job Description Behind every 5-star client experience is YOU, the Windows Engineer. You design the server infrastructure of Global Fortune 500 partners/clients. You build and improve Cognitive Solutions on top of IPsoft's cutting-edge Autonomics Platform. As an IPsoft Engineer, you are a client-facing, fearless, Windows Guru who thrives in a fast-paced, dynamic Enterprise environment where you are truly rewarded for your hard work. By automating the mundane chores, you are free to focus on higher-level tasks and innovations. With every sip of complimentary coffee and every ticket worked, you are living the engineer's dream. Qualifications In a Typical Day, you will: Diagnose and remediate issues with Windows Server Infrastructure, and related roles and features, as well as other Microsoft and third-party Windows business infrastructure applications, while identifying recurring issues which can be remediated through automation. Work with clients to align our support to their requirements with a high level of attention and intimacy. Required Qualifications: Troubleshoot Advanced issues related to Active Directory topology, and related features, in a complex, multi -site and/or multi-domain environment Manage a server infrastructure with machines running Windows Server 2008, 2008 R2, 2012, and 2012 R2 Administer VMware vSphere infrastructure and Hosted Guest Machines from Windows based administration tools, such as the vSphere client and PowerCLI Document Standard Operating Procedures for troubleshooting. Develop automation using PowerShell Scripting to automate repetitive tasks in the client environments. Identify and develop monitoring checks needed to ensure the stability of client infrastructure. Investigate issues with Enterprise Communication and Collaboration technologies, such as Exchange, SharePoint, and Lync a plus Manage a backup architecture using software such as NetBackup or Tivoli a plus Identify recurring issues and drive automated resolution behind them Rock star (Preferred) Qualifications in addition to those required: Knowledge of maintaining other virtualization solutions such as Citrix a plus 3-5 years' experience managing a business infrastructure with 100+ machines Degree in computer systems or computer science preferred Ability to identify systematic solutions on a high level. Team Player Additional Information 7am-7pm shifts. 4 day rotation schedule. One week you may start on a Monday, and the next could be Tuesday , or Wednesday, etc. Also must be able to be/get security cleared. Meaning you have lived in the UK for 5 years continuously.
A leading Defence consultancy is seeking a VMware Architect to guide the technical strategy and delivery of secure, large-scale infrastructure services. Key responsibilities include design leadership, collaboration across teams, and governance of architectural integrity. The ideal candidate must have experience with VMware technologies and possess an Active DV Clearance. This role offers a chance to transform critical infrastructure for national security.
Jan 01, 2026
Full time
A leading Defence consultancy is seeking a VMware Architect to guide the technical strategy and delivery of secure, large-scale infrastructure services. Key responsibilities include design leadership, collaboration across teams, and governance of architectural integrity. The ideal candidate must have experience with VMware technologies and possess an Active DV Clearance. This role offers a chance to transform critical infrastructure for national security.
