DV Lead Security Architect CGEMJP

Role Title: Lead Security ArchitectDuration: contract to run until 23/11/2026Location: Portsmouth. Hybrid 2-3 days per week onsiteRate: up to £616 p/d Umbrella inside IR35Clearance required: Active DV Clearance and Sole UK NationalRole purpose/summaryMission: Own security architecture and the integration roadmap for AI/ML across multi-cloud and edge; align to client IT/cloud strategy and UK Defence priorities; enable secure multinational collaboration and high-side code promotions with repeatable assurance. Manage the Secure by Design elements of the project and own the assurance process end to end.Key ResponsibilitiesLead the Security elements of the program across different use cases for AI/ML development and trials.Chair Security Working groups and tri-nation collaboration.Manage security visibility and outcomes, manage senior stakeholder engagement.Threat and risk management; translate ambiguous requirements into testable controls.Define classification-aware architectures, trust boundaries, cross-domain data movement guardrails.Provide Security guidance and controls for complex program.Lead Security roadmap: DevSecOps, policy-as-code controls, risk-based CI/CD gates.Govern supply-chain security: artefact signing, SBOMs, provenance; adopt SLSA-style controls.Reduced lead time to secure release; zero-critical promotion checkpoints; supplier onboarding efficiency; executive risk communication.Mentor juniorsExperience andamp; Qualifications5+ years in Cyber Security, proven ..... full job details .....