Security Architect

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,