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Security Architect

Adeptis GroupUnited Kingdom

12 days ago

Job type

Full-time

Job description

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Principal Security Architect – Contract

Hybrid | Low office expectation

ACTIVE SC Clearance Required

Overview :

We’re supporting a central government body in hiring a contract Principal Security Architect to lead the design of secure, resilient digital systems across major national programmes.

This role sits within the organisation’s Digital, Data and Technology (DDaT) function, working as part of the enterprise architecture team. You’ll be responsible for embedding Secure by Design principles, shaping architecture in line with NCSC best practice , and supporting delivery teams with proportionate, risk-based controls.

Key Responsibilities :

Lead the end-to-end design of secure systems and services across cloud and hybrid environments
Review and assure architectures against NCSC guidance, ISO 27001, and internal security frameworks
Work closely with project, architecture, SecOps and assurance teams to embed secure-by-design principles
Conduct threat modelling, risk assessments, and architectural reviews across platforms and programmes
Translate complex security risks into clear, actionable strategies for technical and non-technical stakeholders
Contribute to the development of reusable security artefacts – including patterns, reference architectures, and risk traceability tools
Support stakeholder engagement across internal departments, delivery partners, and external agencies (e.g. GDS, NCSC)

Required Skills & Experience :

Proven experience in a senior security architecture role, ideally within public sector or regulated environments

Strong understanding of cloud and enterprise security across Azure, AWS, or GCP

Deep knowledge of Secure by Design, Zero Trust, and architectural assurance principles

Familiar with NCSC Cloud Security Principles , CAF, and wider UK government security guidance

Certifications such as CISSP, CISM, SABSA, TOGAF, AWS / Azure Security desirable

Experienced in stakeholder engagement and translating risk across technical and business contexts

Active SC clearance

Seniority level

Mid-Senior level

Employment type

Contract

Job function

Information Technology and Consulting

Industries

IT Services and IT Consulting

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Security Architect • United Kingdom