Cyber Security Jobs in Southampton

Support Engineer

The role involves maintaining and improving ETL services within a cloud-based environment, focusing on resilience, automation, and observability. You'll apply DevSecOps and SRE principles to enhance system reliability and support Agile development workflows. Collaboration with engineers and stakeholders is key, alongside mentoring and technical consultancy.

Ordnance Survey Southampton, United Kingdom £43,918 – £51,238 pa

Hybrid Permanent Clearance Required

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

QA and Test Automation Engineer

This role involves designing, maintaining, and executing automated test frameworks to ensure the reliability and security of mission-critical defence software systems. You will lead regression testing, validate complex functional and non-functional requirements, and embed robust QA practices across the software lifecycle. Close collaboration with developers and engineers is required to identify defects early and improve system quality within a highly regulated, security-conscious environment.

Meritus Talent Portsmouth, United Kingdom £80,000 pa

Hybrid Permanent Clearance Required

Lead Test Engineer

Lead Test Engineer responsible for designing and executing test solutions across electro-mechanical systems in underwater robotics. This role involves leading a test team, developing test cases and automation tools, managing test facilities, and ensuring compliance with engineering requirements throughout development and production. The position requires strong technical expertise in LabView, TestStand, scripting, and cross-disciplinary systems integration.

Saab Fareham, United Kingdom

On-site Permanent Clearance Required

Project Engineer

The role involves delivering end-to-end IT infrastructure projects, including designing, installing, and configuring server, storage, and network systems. You'll provide technical pre-sales support, act as a 3rd line escalation point, and produce detailed technical documentation. The position requires regular travel to client sites across the UK, working on-site with commercial and education sector clients.

Searchability Portsmouth, United Kingdom £36,000 – £45,000 pa

Hybrid Permanent

Cyber Security Consultant

This role involves supporting clients with cyber security and risk management across regulated sectors. You'll assess security maturity, conduct risk assessments, and deliver practical solutions using frameworks like ISO 27001 and NIST. The position emphasizes client engagement, technical analysis, and development of security roadmaps within a collaborative consultancy environment.

Oscar Technology Portsmouth, United Kingdom £40,000 – £52,000 pa

Hybrid Permanent Clearance Required

SOC Analyst

This role involves continuous protective monitoring, triaging security alerts, and supporting incident response within a 24/7 Security Operations Centre for UK public sector clients. The analyst will work with advanced SIEM and XDR platforms such as IBM QRadar, Microsoft Sentinel, and Palo Alto XSIAM, contributing to national-level cyber defence. Collaboration within a small, high-performing team and adherence to established runbooks are key aspects of the position.

Experis Hursley, Hampshire, United Kingdom £40,000 – £50,000 pa

On-site Permanent Clearance Required

Principal Software Engineer

Lead Software Engineer£75,000 to £85,000 + Private Healthcare + Enhanced PensionSouthampton (Hybrid, 4 days per week in the office)Are you a senior software engineer looking to take end to end ownership of a complex, real-time distributed platform that integrates directly...

Rise Technical Recruitment Southampton, United Kingdom £75,000 – £85,000 pa