Salary: £6,000 - 10,800 per year Requirements: Valid and transferable MOD DV clearance (mandatory) Availability to work on-site in Warton, 5 days per week Strong background in one or more of the listed security disciplines Experience working in secure, defence, or highly regulated environments Relevant certifications (e.g., CISSP, CISM, TOGAF, CREST, cloud certifications) Responsibilities: Define and review secure architectures across enterprise IT and OT environments Act as technical authority for secure system design and implementation Lead threat modelling, risk assessments, and security design reviews Ensure compliance with defence security standards and secure-by-design principles Deliver independent security assurance across programmes Support accreditation activities and compliance reviews Develop and maintain security documentation, standards, and risk registers Monitor, analyse, and respond to security events and incidents Strengthen detection, response, and resilience capabilities Support vulnerability management and remediation activities Provide expertise in Operational Technology environments Design and assure secure cross-domain solutions and data transfer mechanisms Evaluate network segregation and high-assurance controls Conduct or oversee penetration testing engagements Assess vulnerabilities and validate remediation strategies Support red/blue team activities where required Embed security into live service management processes Act as Product Security lead across development lifecycles Integrate DevSecOps controls and secure SDLC practices Manage security-focused technical workstreams Provide governance reporting to senior stakeholders Translate technical risks into business impact and mitigation plans Technologies: Cloud DevSecOps Support Network Security TOGAF More: We are seeking experienced Security & Technology Professionals to support critical programmes in a secure defence environment. These roles span architecture, assurance, operations, and technical delivery disciplines and require individuals who can operate effectively within highly regulated, mission-critical settings. All positions are based full-time on-site in Warton (5 days per week) and require our candidates to hold a current and valid MOD DV clearance at the time of application. last updated 10 week of 2026