Principal Security Architect

SBA are currently supporting our consultancy client, who are supporting a Central Government client. The requirement is for a Principal Security Architect (Chartered) on an initial 12 month contract Location - London (Hybrid) Essential Skills & Experience Deep technical expertise across security architecture, infrastructure, cloud, identity, networks, and systems security. Strong working knowledge of NCSC standards and guidance, risk management approaches, and architectural frameworks. Proven experience operating in UK public sector or other highly regulated environments. Demonstrable delivery in classified, constrained, or limited‑connectivity systems. Ability to operate comfortably at solution, programme, and portfolio levels simultaneously. Leadership & Communication Exceptional stakeholder management skills, with the ability to influence at executive and accreditor level. Confident decision‑maker able to balance delivery pressure against long‑term security outcomes. Clear, authoritative communicator-both written and verbal. Qualifications Chartered Security Architect status is essential, with equivalent senior-level qualifications (e.g. CIISec / CIISP) considered desirable. NB: SC cleared role and applicants must be willing to undertake DV To apply, please submit latest CV