Lead Security Architect (Defence DevSecOps and AI/ML) - MUST HAVE DV CLEARANCE -

Lead Security Architect (Defence DevSecOps and AI/ML) - MUST HAVE DV CLEARANCE - Portsmouth and remote - 5 months+/RATE: £656 per day inside IR35

One of our Blue Chip Clients is urgently looking for a Lead Security Architect (Defence DevSecOps and AI/ML).

Please find some details below:

Description:

CONTRACTOR MUST BE DV CLEARED (active) AND BE SOLE UK NATIONAL

Location: Portsmouth| Hybrid 50% and 50%

MUST BE PAYE THROUGH UMBRELLA

Role Description:

Title: Lead Security Architect (Defence DevSecOps and AI/ML)

Mission: 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 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

Experience & Qualifications

5+ years in Cyber Security, proven multi-cloud/edge architecture.
Defence experience; familiarity with UK guidance; eligibility for appropriate clearance, UK Sole national.
Certifications: CISSP(equivalent), TOGAF

Key Attributes
This role requires essential skills of adaptability and a pragmatic and positive attitude towards security as a business enabler, the technical skills and aptitudes can be learned from the team

Please send CV for full details and immediate interviews. We are a preferred supplier to the client.