Enterprise Architect Location: London (or Ipswich/Gloucester)Duration: Initial 12 months (scope to extend)Umbrella onlyClearance: DV clearance is essentialWhat you''ll be doing: Define, maintain, and govern enterprise architecture to meet programme and user needs Apply TOGAF ADM to develop baseline, target, and transition architectures Produce high-quality High Level Design (HLD) and Low-Level Design (LLD) models, ensuring they are fit for operational use Develop architecture artefacts supporting security, risk assessment, and accreditation processes Present and defend architectural designs at formal assurance forums such as PDR and CDR Use Sparx Enterprise Architect to develop and maintain detailed architecture models Enforce architecture standards, principles, and governance, ensuring compliance with MOD security policies like JSP 604 and JSP440Essential skills and experience: Proven experience as an Enterprise Architect within complex organisations, especially in defence environments Current DV clearance with transferable credentials Strong practical knowledge of TOGAF and hands-on experience with Sparx Enterprise Architect Expertise in modelling languages such as ArchiMate, UML, and BPMN Ability to produce production-ready technical architecture models (HLD and LLD) Excellent stakeholder engagement skills, with a focus on delivering architecture that aligns with operational needsDesirable skills: TOGAF/MODAF certification ArchiMate certification Experience with Waterfall,