Salary: £30,000 - 55,000 per year Requirements: A minimum of 6 years of experience in cyber security architecture within Defence, Aerospace, or Critical National Infrastructure. Strong understanding of MOD security frameworks, including JSP 440, JSP 604, and DEF STANs. Proven background in Secure by Design and security compliance, such as ISO 27001, CE/CE. Experience producing security artefacts for MOD assurance. Working knowledge of risk management frameworks, including HMG IS1/IS2 and NIST RMF. Excellent communication skills, with the ability to engage confidently with both technical and non-technical stakeholders. Must hold ACTIVE SC Clearance; applications without current clearance cannot be considered. Responsibilities: Design and develop secure architectures for MOD platforms, systems, and networks. Align solutions with frameworks such as NIST SP 800-53, ISO 27001, JSP 440, DEF STAN 05-138, and NCSC guidance. Produce and maintain documentation, including Security Architecture Documents, Risk Assessments, and Security Management Plans. Lead and support design reviews and assurance gates. Liaise with MOD, NCSC, and Information Assurance teams to support accreditation and assurance processes. Collaborate with engineering teams to embed security from concept through to delivery. Stay updated on evolving threats and recommend effective mitigations. Technologies: Architect Support JSP Security TOGAF More: We are a major defence organisation seeking a Security Architect (Cyber) to play a key role in shaping, developing, and maintaining secure system architectures across mission-critical MOD programmes. You will ensure all solutions align with defence and national security standards, working closely with internal engineering teams, MOD stakeholders, and security authorities to uphold the highest standards of cyber assurance. This is a 6-month contract role based in Newport, South Wales, with the potential for extension, and offers a negotiable rate based on experience. The position requires 4 days onsite each week, with Fridays being remote. last updated 5 week of 2026