Lead Security Architect (Defence DevSecOps and AI/ML)
DV CLEARED
Contract: 5 month initially + extensions.
Location: Hybrid/Portsmouth (50% remote).
Rate: £600‑£675 per day via umbrella.
Own security architecture and the integration roadmap for AI/ML across multi‑cloud and edge; align to client IT/cloud strategy; 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 Responsibilities
- Lead 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 juniors.
Key Skills & Experience
- Ideally 5+ years in Cyber Security, proven multi cloud/edge architecture.
- Defence experience; familiarity with UK guidance.
- Ideal Certifications: CISSP (equivalent), TOGAF.
Candidates must hold or be able to obtain a high‑level security clearance (minimum 18 weeks) prior to appointment.
We welcome applications from all individuals, regardless of background or identity, and encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know to ensure a fair and accessible experience.
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