We’re seeking an experienced Lead Enterprise Architect to lead complex programmes across the UK Defence sector, with a focus on digital transformation, cloud adoption, data and content distribution, and secure multi‑domain environments. This role combines architecture leadership, technical governance, and strategic influence — working closely with Defence stakeholders to deliver secure, scalable, and future‑ready digital capabilities. What You’ll Be Doing * 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. What You Bring * 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, integrat...