Job title: Security Architect Location: Warton (On-site) Rate: £770 per day (Inside IR35) Contract Length: 12 months rolling MOD DV Security clearance is required for this role. Role Overview We are seeking an experienced MOD DV Cleared Security Architect to support a major UK defence programme based in Warton. The successful candidate will play a critical role in designing, assuring, and governing security architecture across complex, mission-critical systems within a highly classified environment. This is a long-term contract opportunity, operating inside IR35, requiring regular on-site presence due to the sensitivity of the work. Key Responsibilities Design and own end-to-end security architectures aligned with MOD and defence standards Provide security assurance across system designs, solutions, and integrations Conduct threat modelling, risk assessments, and security design reviews Ensure compliance with relevant frameworks including JSP 440, JSP 604, NIST, ISO 27001, and MOD security policies Work closely with enterprise architects, solution architects, and engineering teams Support accreditation and assurance activities, including engagement with MOD security stakeholders Produce and maintain security architecture documentation and artefacts Essential Skills & Experience Proven experience as a Security Architect within MOD or defence environments Strong knowledge of secure system design, networks, cloud, and infrastructure security Experience working within highly regulated, classified environments Ability to communicate complex security concepts to technical and non-technical stakeholders Strong documentation and governance skills If you are interested in this role or wish to apply, please feel free to submit your CV. Many thanks