Salary: £100,000 - 110,000 per year Requirements: Strong experience as a Senior / Lead Enterprise Architect in Defence or high-security government environments. Proven delivery of secure, complex digital and IT systems at enterprise scale. Experience across cloud, cybersecurity, integration, and deployable technologies. Deep understanding of enterprise architecture frameworks (e.g. TOGAF). Familiarity with Defence frameworks (desirable). Excellent communication and technical writing skills for governance boards and bids. Comfortable leading teams and operating across multi-supplier environments. SC clearance (or eligibility) is preferred. Responsibilities: Lead enterprise architecture across large, complex Defence programmes. Provide technical governance, solution assurance, and compliance oversight. Shape enterprise strategies, technology roadmaps, and architectural standards. Design and review secure architectures aligned to Defence and government frameworks. Produce high-quality architectural artefacts (HLDs, LLDs, models, assurance packs). Lead and mentor small technical teams working in client-facing environments. Engage with senior stakeholders to influence strategy and solution outcomes. Support bids, proposals, and business cases for new Defence programmes. Technologies: Architect Cloud Support Security TOGAF More: We are seeking an experienced Lead Enterprise Architect to lead complex programmes across the UK Defence sector, focusing on digital transformation, cloud adoption, data and content distribution, and secure multi-domain environments. We are a purpose-driven organisation committed to creating a positive impact and championing inclusion. You will join a culture that encourages innovation, collaboration, and continuous growth. We celebrate diversity and believe that different perspectives lead to stronger solutions. Your unique experiences, strengths, and personal story matter, helping us design better outcomes for the communities we serve. We pride ourselves on being an equal opportunity employer committed to fairness and inclusion for all. last updated 4 week of 2026