Cyber Security Jobs in Portsmouth

Internal Auditor IT

This role involves leading end-to-end IT audits across IT general controls, transformation programmes, and data security frameworks. The Internal Auditor will assess risk, evaluate control effectiveness, and deliver actionable insights to senior management. Key responsibilities include coordinating the Data Security and Protection Toolkit submission, driving audit recommendations, and collaborating with Technology and Information Security teams to strengthen governance and resilience.

Specsavers Whiteley, PO15 7LW, United Kingdom £68,000 pa

On-site Permanent

Technical Lead AWS Operations Engineer

This role involves leading cloud operations for a major government programme, focusing on building and maintaining secure, scalable AWS infrastructure. You'll work with containerised systems on EKS/ECS, manage Linux environments, and apply Infrastructure as Code using Terraform. The role emphasizes operational excellence, security, and collaboration within a high-impact engineering team.

Spectrum IT Recruitment Southampton, United Kingdom

Hybrid Permanent Clearance Required

Director of IT Operations

Leads strategic and operational IT & OT services for a critical national infrastructure provider, ensuring 24/7 resilience, cyber security, and service transformation. Oversees large-scale technology delivery, business continuity, and high-availability systems supporting millions of customers. Works closely with executive leadership, regulatory bodies, and security teams to maintain compliance and drive innovation in a highly regulated environment.

SGN Po61Uj, PO6 1UJ, United Kingdom

Hybrid Permanent Clearance Required

Security Engineer

This role involves leading cyber security strategy across both corporate IT and operational technology (OT) environments in a manufacturing organisation. You'll manage enterprise security platforms such as EDR, SIEM, NDR, firewalls, and email security, lead incident response, conduct vulnerability assessments, and ensure robust patching and identity management. The role also includes developing security awareness programmes, supporting disaster recovery, and maintaining compliance, all within a complex hybrid infrastructure spanning on-premises and cloud environments.

NET Recruit Chichester, United Kingdom £50,000 – £60,000 pa

Hybrid Permanent Clearance Required

Network Engineer

This role involves designing, maintaining, and troubleshooting enterprise-grade network infrastructure including LAN, WAN, VLAN, Wi-Fi, and SIP/VoIP systems. The engineer will support the transition to All IP services, ensure network security and resilience, and collaborate with telecom partners and stakeholders. It's a mission-critical role focused on delivering reliable connectivity for essential care and communication services.

NET Recruit New Milton, United Kingdom £35,000 pa

Hybrid Permanent

Web Administrator

The Web Administrator is responsible for the technical maintenance, security, and performance optimisation of web platforms. This includes managing hosting, domains, SSL, and third-party integrations, conducting cross-browser testing, implementing security patches, and supporting technical SEO initiatives. The role involves close collaboration with marketing and digital teams to ensure high availability, strong core web vitals, and a secure user experience, with flexible working options across the UK.

Deerfoot Recruitment Solutions So211Hz, SO21 1HZ, United Kingdom £35,000 – £45,000 pa

Hybrid Permanent

Security Architect

This role involves leading security architecture for AI/ML and cloud-based systems within a UK Defence programme, focusing on Secure by Design principles and DevSecOps integration. The architect will define security strategy, conduct threat modelling, and ensure compliance across multi-cloud and edge environments. They will also mentor teams and engage with senior stakeholders to govern security assurance in a mission-critical context.

CBSbutler Holdings Limited trading as CBSbutler Portsmouth, Hampshire, United Kingdom £600 – £650 pd

Hybrid Contract Clearance Required

Operational Security Officer

This role involves coordinating travel security, managing deployment readiness, and supporting high-risk operations for Saab UK. The officer will conduct security risk assessments, deliver training, and act as in-country coordinator in high-risk areas. Responsibilities include managing IVCO processes, supporting TSCM activities, and conducting security investigations in collaboration with global teams.

Saab Fareham, United Kingdom

Hybrid Permanent Clearance Required