Lead security architect Work, Jobs in Hatfield (with Salaries)

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Duration: 12 months +

Vetting: SC secuirty clearance will be required

Location: London (hybrid working) - ad-hoc visits to Glasgow

Essential Skills

Security Architecture Leadership

Leadership of security architecture for large scale cloud and workspace programmes in government or national security environments.
Experience securing systems at SECRET or above, including sovereign cloud and secure workspace deployments.

Cloud, Workspace, Infrastructure, and AI Expertise

Deep understanding of SECRET cloud hosting, workspace and endpoint security (DWS), identity federation, crypto, segmentation, isolation technologies, and high assurance gateways.
Strong knowledge of secure DevOps, CI/CD controls and IaC hardening.
Experience applying security controls to AI/ML components, including model hardening, safeguarding training data, preventing prompt or model injection attacks, and securing AI enabled features within SECRET environments.

Interoperability & Cross Domain

Experience securing solutions that span multi?domain environments and incorporate secure client endpoint and cloud integrations.
Prior work integrating with Defence, Law Enforcement or UKIC systems.

Technical Governance & Secure by Design

Proven experience leading security governance for cloud, device, and workspace platforms.
Strong systems thinking mindset applied across both hosting and end user environments.

Strategic Influence & Communication

Ability to explain complex security architecture decisions to senior stakeholders and engineering teams.
Experience shaping business cases, options, and assurance strategies across multiple technology domains.

Our client operates hybrid working 2-3 days into London, with occasional client site visits will be required into Glasgow.

For further details please apply including full CV.