Cyber Security Jobs

Software Engineer

This role involves building and maintaining prototypes, proof-of-concept systems, and technical demonstrators for immersive training solutions and simulations. You will integrate AI services, APIs, backend systems, and XR applications, and support the development of AI-enabled features. The position offers opportunities to work on cutting-edge technology in a fast-paced R&D environment.

Matchtech Portsmouth, United Kingdom £40,000 – £60,000 pa

On-site Permanent Clearance Required

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

Cyber security Architect

The Cyber Security Architect role involves designing and implementing enterprise security solutions using frameworks like NIST, ISO 27001, CIS, and Zero Trust. You will lead security initiatives, influence architecture decisions, and ensure compliance in regulated environments. The role also requires strong communication and leadership skills to drive operational improvements and foster a security-conscious culture.

JAM Recruitment Portsmouth, Hampshire, United Kingdom £850 pd

On-site Contract Clearance Required

Senior SOC Analyst - DV Cleared

This role involves leading threat detection, incident response, and continuous improvement of security monitoring capabilities in a high-performing Cyber Security Operations Centre. You will manage and optimise security tooling, conduct forensic investigations, and enhance SOC processes and tooling.

CBSbutler Holdings Limited trading as CBSbutler Portsmouth, Hampshire, United Kingdom £590 – £630 pd

On-site Contract Clearance Required

DevOps Engineer

This role involves hands-on management of Kubernetes environments, CI/CD pipelines, and cloud infrastructure to ensure reliable and secure deployment of payment technology products. You'll work closely with software engineers to improve developer experience and maintain high security standards.

Spectrum IT Recruitment Fareham, United Kingdom £55,000 – £60,000 pa

On-site Permanent Clearance Required

Software Applications Engineer

This role involves designing and implementing software solutions for underwater robotics, focusing on innovation and professionalism. Responsibilities include developing software for next-generation underwater vehicles, supporting existing codebases, and working with a range of technologies including C++, control software, and web technologies.

Saab Fareham, United Kingdom

On-site Permanent Clearance Required

Systems Engineer

The Systems Engineer will support the development of a critical ATM system, working in an agile team to deliver high-quality solutions and meet sprint milestones. Responsibilities include systems engineering activities across the full lifecycle, with a focus on Model Based Systems Engineering and stakeholder collaboration.

Appcast Enterprise Fareham, United Kingdom

Hybrid Permanent Clearance Required

Software Engineer

This role involves working on safety-critical, real-time Air Traffic Control systems as part of a multi-disciplinary engineering team. Responsibilities include software development, testing, and support across the full lifecycle, with a focus on compliance and structured processes.

Appcast Enterprise Fareham, United Kingdom

Hybrid Permanent Clearance Required

Systems Engineer

As a Systems Engineer, you will work on complex defence projects involving airborne and acoustic systems, applying systems and software engineering principles to solve challenging problems. You'll collaborate with a dynamic team to design, test, and refine advanced solutions that have a significant impact on national security.

Matchtech Po155Ub, PO15 5UB, United Kingdom £55,000 pa

On-site Permanent Clearance Required

Senior Tech Support Specialist

The Senior Technical Product Support Specialist provides advanced technical support to clients, resolves complex issues, and collaborates with new product development teams. The role involves diagnosing customer complaints, managing engineering changes, and ensuring service readiness for new products.

Entrust Winchester, PO15 7LW, United Kingdom

Hybrid Permanent Flexible

Network Support

This role involves maintaining and improving the network and server infrastructure in a large enterprise environment. You'll support a wide range of technologies, handle technical escalations, and participate in infrastructure projects and on-call duties.

Spectrum IT Recruitment Chichester, United Kingdom

On-site Permanent

Senior .Net Developer (Billing Systems Essential)

This role involves working on a complex billing platform, stabilising systems, reverse engineering, and supporting transformation. You'll collaborate closely with billing experts and business analysts, ensuring technical solutions align with business needs and the long-term transition to a new enterprise billing system.

HAYS Specialist Recruitment Southampton, United Kingdom £60,000 – £65,000 pa

On-site Contract

Relief Security Officer

This role involves conducting regular patrols, monitoring CCTV, controlling access, responding to incidents, and maintaining a professional presence. The position emphasizes safety, security, and customer service, with a focus on teamwork and compliance.

Occy Southampton, United Kingdom £13 pa

On-site Temporary Shift-work

FPGA Engineer (National Security & Critical Systems)

As an FPGA Engineer, you will design and develop high-performance hardware solutions, focusing on digital signal processing, real-time DSP algorithms, and system integration. You will work closely with multidisciplinary teams on mission-critical projects that have a significant national impact, using advanced technologies and secure platforms.

Sanderson Southampton, United Kingdom £60,000 – £80,000 pa

On-site Permanent Clearance Required

RF Design Engineer

The RF Design Engineer role involves designing, simulating, and implementing RF and analogue electronic circuits for defence and national security applications. You will work on a variety of projects, from rapid prototyping to enhancing existing systems, while collaborating with a driven and collaborative engineering team. The role also includes mentoring junior engineers and contributing to technical leadership.

Sanderson Southampton, United Kingdom £60,000 – £90,000 pa

On-site Permanent Clearance Required