Cyber Security Jobs

RF Systems Engineer

This role involves working on advanced RF communication systems for real-world defence applications, from concept and modelling through to integration and testing. You'll have system-level ownership and exposure to high-performance, complex systems, working in a team that blends experienced engineers with technical depth.

Cirrus Selection Bs347Qs, BS34 7QS, United Kingdom £50,000 – £55,000 pa

Permanent Clearance Required

AI Engineer - Cardiff

This role involves leading the design, development, and deployment of advanced AI solutions to enhance operational efficiency and support business growth. You will collaborate with senior stakeholders, guide technical direction, and mentor a growing team of engineers, focusing on AI-powered tools, automation, and LLM-based workflows.

Circle Recruitment Cardiff, Cymru / Wales, CF10 2AF, United Kingdom £40,000 – £55,000 pa

Hybrid Permanent

Software Developer (Azure & .Net)

This role involves building and maintaining scalable, secure cloud solutions using Azure and .NET technologies. You will work in a collaborative, fast-paced environment, focusing on continuous improvement and delivering high-quality systems.

Proactive Appointments Portsmouth, United Kingdom £55,000 – £60,000 pa

Hybrid Permanent

Access Control & CCTV Engineer

As a Security Engineer, you will install, configure, and maintain CCTV, access control, and other security systems across diverse client sites. You will work closely with sales and engineering teams to deliver high-quality solutions, troubleshoot issues, and provide ongoing support, ensuring client satisfaction and system reliability.

First Response Group Wd180Gs, WD18 0GS, United Kingdom £36,000 pa

On-site Permanent

Lead/ Principal DevOps Engineer- eDV Cleared

This role involves leading and shaping DevOps solutions for high-impact, mission-critical projects in the National Security domain. You will work on innovative projects, collaborate with industry-leading clients, and leverage your expertise in containerization, infrastructure as code, and leadership.

Searchability NS&D Cheltenham, United Kingdom £85,000 – £100,000 pa

On-site Permanent Clearance Required

Algorithms Engineer

As an Algorithms Engineer, you will develop and refine algorithms for advanced RF seeker and sensing applications, conduct technical investigations, and integrate algorithms into system models. You will work in a multidisciplinary team to solve complex engineering problems and contribute to the development of high-performance systems in the defence sector.

Electus Recruitment Stevenage, United Kingdom £45,000 – £58,000 pa

Hybrid Permanent Part-time Clearance Required

Principal Data Engineer

This role involves leading the technical direction and architecture for a modern, domain-oriented Data Mesh on Google Cloud Platform (GCP). You will drive best practices, mentor senior engineers, and ensure performance, cost control, and security across multiple data product squads.

VIQU IT Recruitment London, United Kingdom £80,000 – £95,000 pa

Remote Permanent

Cloud Architect- eDV Cleared

This role involves designing and implementing cloud-native solutions for high-impact, mission-critical projects in the national security sector. You will work with AWS, open-source technologies, and microservices, while leading and managing stakeholders.

Searchability NS&D London, United Kingdom £65,000 – £120,000 pa

On-site Permanent Clearance Required

3rd Line Cloud Engineer - Azure

As a 3rd Line Cloud Engineer, you will focus on the operational management of Azure environments, ensuring high availability, performance, and security. You will troubleshoot issues, optimize cloud infrastructure, and collaborate with internal teams and customers to maintain and improve enterprise-scale Azure services.

Akkodis Nottingham, United Kingdom £55,000 – £65,000 pa

On-site Permanent

Senior Full-Stack Engineer

This senior role involves owning a critical platform end-to-end, from architecture to delivery, with a focus on scalable backend services, modern frontend applications, and decisioning logic. You'll collaborate with leadership to shape technical direction and ensure systems meet high standards for security and compliance in a regulated environment.

Addition London, United Kingdom £85,000 – £100,000 pa

Remote Permanent Clearance Required

2nd Line Support Engineer

The 2nd Line Support Engineer will work in a hybrid capacity, supporting a diverse range of clients and collaborating with the 1st and 3rd line teams to resolve incidents, perform root-cause analysis, and optimize system performance. Responsibilities include advanced monitoring, security updates, and system maintenance.

Ashdown Group Wd64Rt, WD6 4RT, United Kingdom £35,000 – £38,000 pa

Hybrid Permanent

RF Systems Engineer

This role involves working on advanced RF communication systems for real-world defence applications, from concept and modelling through to integration and production. You'll have system-level ownership and exposure to high-performance, complex systems, working in a team that blends experienced engineers with deep technical knowledge.

Cirrus Selection Sg12Da, SG1 2DA, United Kingdom £50,000 – £55,000 pa

Permanent Clearance Required

Algorithm Engineer

This role involves developing and refining advanced algorithms for complex RF systems, conducting system studies and performance analysis, and integrating algorithms into sophisticated seeker and sensor models. You will work on cutting-edge technology programmes involving AESA, advanced signal processing, AI integration, and complex systems modelling, collaborating with multidisciplinary engineering teams.

Cirrus Selection Bs347Qs, BS34 7QS, United Kingdom £45,000 – £58,000 pa

Hybrid Permanent Flexible Clearance Required

IT Infrastructure & Operations Manager

The IT Infrastructure and Operations Manager leads the delivery and continuous improvement of IT services, focusing on infrastructure, cloud (Azure/M365/SaaS), networking, and end-user services. This hands-on role involves strategic oversight, service performance, and technical leadership, ensuring services are secure, resilient, and aligned with business goals in a project-driven construction environment.

2mrw Group Birmingham, United Kingdom £70,000 pa

On-site Permanent Clearance Required

Principal DevOps Engineer- SC Cleared

This role involves working on high-impact, mission-critical projects for Public Sector and Defence clients, shaping cutting-edge solutions and providing technical leadership. You will be part of a top consultancy, focusing on modern platform architecture, cloud-native systems, and DevOps practices.

Searchability NS&D Newcastle upon Tyne, United Kingdom £90,000 – £105,000 pa

Hybrid Permanent Clearance Required