Lead Cyber Security Architect
Summary: The Lead Security Architect role requires a DV cleared professional to oversee security architecture and integration for AI/ML across multicloud environments. The position involves leading security initiatives, managing stakeholder engagement, and providing guidance on security controls. The ideal candidate will have extensive experience in Cyber Security and familiarity with UK defense standards. This role is based in Hampshire with a hybrid working arrangement.
Key Responsibilities:
- Lead the security elements of the program across different use cases for AI/ML development and trials.
- Chair Security Working groups and trination 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.
Key Skills:
- 5+ years in Cyber Security, proven multicloud/edge architecture.
- Defence experience; familiarity with UK guidance; eligibility for appropriate clearance, UK Sole national.
- Certifications: CISSP (equivalent), TOGAF.
- Essential skills of adaptability and a pragmatic and positive attitude towards security as a business enabler.
Salary (Rate): £800 per day
City: Hampshire
Country: UK
Working Arrangements: hybrid
IR35 Status: inside IR35
Seniority Level: Senior
Industry: IT
Job Description:
Lead Security Architect (DV Cleared)
Hampshire - 50and remote, 50% office based
Inside IR35, £800 per day
Our Defence Client is looking for a DV cleared Lead Security Architect with CISSP exposure to oversee security architecture and the integration roadmap for AI/ML across multicloud environments
Key Responsibilities
Lead the security elements of the program across different use cases for AI/ML development and trials.
Chair Security Working groups and trination collaboration.
Manage security visibility and outcomes, manage senior stakeholder engagement.
Threat and risk management; translate ambiguous requirements into testable controls.
Define classificationaware architectures, trust boundaries, crossdomain data movement guardrails.
Provide Security guidance and controls for complex program.
Lead Security roadmap: DevSecOps, policyascode controls, riskbased CI/CD gates.
Govern supplychain security: artefact signing, SBOMs, provenance; adopt SLSAstyle controls.
Reduced lead time to secure release; zerocritical promotion checkpoints; supplier onboarding efficiency; executive risk communication.
Experience and Qualifications
5+ years in Cyber Security, proven multicloud/edge architecture.
Defence experience; familiarity with UK guidance; eligibility for appropriate clearance, UK Sole national.
Certifications: CISSP(equivalent), TOGAF
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
£800.00 - £850.00/day
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