Lead Security Architect: Threat Modelling & Secure Design

Defra seeks an experienced Lead Security Architect to embed secure-by-design principles into critical national infrastructure and public services. You will lead threat modelling, provide architecture guidance, and partner with delivery teams to ensure security by design across the department.

With deep expertise in threat modelling, risk frameworks, and enterprise security architecture, you will write authoritative documentation and scale processes using automation and tooling.

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