Latest Government Security Jobs

Network Security Architect - DV Cleared

This role involves designing and owning high-level security architectures for complex network and infrastructure solutions within a UK government defence programme. The architect will translate security requirements into technical designs, conduct control mapping against standards like NIST and NCSC, and ensure secure-by-design principles are embedded across delivery. Focus is on resilience, compliance, and accreditation within a highly regulated, on-site environment.

CBSbutler Holdings Limited trading as CBSbutler Cliddesden, Hampshire, RG25 2JJ, United Kingdom £600 – £700 pd

On-site Contract Clearance Required

Security Architect

This role involves defining and delivering robust cloud security frameworks and architectures for a high-profile UK Central Government project. You will act as a Subject Matter Expert, influencing key stakeholders and contributing to strategic security decisions across multiple workstreams.

Matchtech London, United Kingdom £550 – £620 pd

Hybrid Contract Clearance Required

SC Security Architect - AWS

This role involves designing and reviewing secure cloud architectures, applying structured analysis to real-world security challenges, and engaging with stakeholders to explain technical issues clearly. The position requires strong AWS security experience and familiarity with cloud security controls, patterns, and governance.

SR2 London, United Kingdom £550 – £600 pd

Hybrid Contract Clearance Required

Security Architect

The Security Architect role at Triad involves designing and assuring secure solutions for client engagements, championing Secure by Design principles, and leading threat modelling activities. You will work closely with stakeholders to define security architectures, ensure compliance with standards, and embed security best practices throughout the delivery lifecycle.

Triad London, United Kingdom £75,000 – £80,000 pa

Hybrid Permanent Flexible Clearance Required

Physical Security Systems Engineer, Physical Security Systems Specialists (PS3), Physical Security Systems Specialists (PS3)

Amazon Web Services (AWS) is the leading cloud provider, providing virtualized infrastructure, storage, networking, messaging, and many other services to customers all over the world. AWS runs a globally distributed environment, operating at massive levels of scale. Businesses, from start-ups...

Amazon Thames Valley, United Kingdom

Permanent

Security Architect - AWS

This role involves designing secure system architectures and providing hands-on security guidance across digital services within a public sector programme. The Security Architect will review technical solutions, develop reusable security patterns, and communicate risks to both technical and non-technical stakeholders. The position requires strong cloud security expertise, particularly in AWS, and active security clearance.

SR2 London, United Kingdom £600 – £650 pd

Hybrid Contract Clearance Required

Information Security Technical Assurance Lead

This role involves leading technical security assurance for application and infrastructure solutions across on-premises and cloud environments within a highly regulated nuclear energy organisation. The candidate will conduct risk assessments, review security designs, ensure compliance with standards like ISO 27001 and NIST, and support secure development practices. A key focus is embedding security into business initiatives and advising stakeholders to strengthen Urenco’s cyber maturity in a global, security-cleared environment.

Urenco Global Paddington, London, W2 1HU, United Kingdom £75,111 – £88,366 pa

Hybrid Permanent Clearance Required

Security Architect

This role involves designing and leading cybersecurity strategy for a high-profile UK defence programme, focusing on secure transformation of British Army training systems. The Security Architect will develop security architectures, conduct threat modelling, and advise stakeholders across technical and non-technical levels, ensuring compliance with stringent government security standards and embedding security across the system lifecycle.

Matchtech Warminster, Wiltshire, United Kingdom

Hybrid Permanent Clearance Required

Security Architect

As a Security Architect, you will partner with clients in government, financial services, and the private sector to design and implement complex security solutions. Your role involves threat modelling, security options analysis, and guiding development teams through secure-by-design practices, ensuring security is embedded early in the project lifecycle.

Version 1 Newcastle upon Tyne, United Kingdom

On-site Permanent Clearance Required

Senior Delivery Consultant - Security, Global ProServe Security

Designs and implements automated security controls in AWS environments, focusing on identity, network security, data protection, and detection. Acts as a technical advisor, building secure architectures and reusable patterns for complex customer workloads. Emphasizes infrastructure as code and scalable, repeatable security solutions.

Amazon Talent Acquisition Sw1A2Dx, SW1A 2DX, United Kingdom

Hybrid Permanent Clearance Required

Sr. Delivery Consultant - Security, Global ProServe Security

Design and implement automated security controls and architectures in AWS environments for enterprise customers undergoing cloud transformation. Focus on building scalable, secure solutions using infrastructure as code and security engineering best practices across identity, network, data, and detection domains. Contribute to reusable security patterns and act as a technical advisor in complex multi-account environments.

Amazon Talent Acquisition Sw1A2Dx, SW1A 2DX, United Kingdom

Hybrid Permanent Clearance Required

Azure Infrastructure Cloud Engineer

Azure Cloud Infrastructure EngineerSummer-Browning Associates is currently assisting our Central Government client in seeking a Cloud Infrastructure Engineer for an initial six-month assignment.Location: Milton Keynes | HybridThe ideal candidate will hold active SC Clearance and have a proven background in...

Summer Browning Associates Milton Keynes, Buckinghamshire, United Kingdom

Network Engineer

This role involves providing ongoing support for current network operations, troubleshooting, and managing warranty incidents. You will also design and manage a new defence network infrastructure, collaborate with IT security, and support future defence sector network projects.

Reed Bs167Fs, United Kingdom £45,000 – £53,381 pa

Hybrid Permanent Clearance Required

Senior Network Architect (DV Cleared)

A Senior Network Architect is needed to lead the design and governance of secure, scalable network solutions across enterprise and cloud environments. The role involves end-to-end ownership of network architecture, including LAN, WAN, SD-WAN, firewalls, and cloud networking, within a highly secure, DV-cleared setting. The architect will work closely with senior stakeholders and delivery teams to drive technical strategy and ensure compliance with government security standards.

Network IT Milton Keynes, Buckinghamshire, United Kingdom £750 – £790 pd

Hybrid Contract Clearance Required

Cyber and Information Assurance Security Consultant

You will provide expert security advice, implement governance models, identify cyber risks, conduct compliance assessments, and develop security policies for mission-critical programmes in the National Security sector. This role involves working closely with clients and internal teams to enhance the value of cyber security and information assurance services.

Forward Role Cheltenham, United Kingdom £50,000 – £85,000 pa

Hybrid Permanent Clearance Required