Status: Outside IR35 Location: Corsham / AHQ Hybrid (occasional travel to ABW, Oakdale, Christchurch) Rate: Up to 575 a day Clearance: SC Cleared We are seeking a Land Domain C4 Technical Architect to support the LE TacCIS Programme, delivering critical technical architecture expertise across tactical CIS capabilities within the Land Domain. This is a high-profile opportunity to contribute to the future design and integration of communications and information systems (CIS) across Defence.Key Responsibilities:Develop technical architecture modelling artefacts to support the capture and understanding of operational needs.Coordinate LE TacCIS architecture work with wider Army HQ initiatives including AOM, FCCM, and MSI.Collaborate with TacSys and Defence Digital architecture teams to ensure cross-domain architectural coherence.Support LE TacCIS and Land Domain C4 projects in producing high-level design and architecture artefacts using ArchiMate, Sparx EA, and Prolaborate.Provide expert consultation and advisory services to Capability Managers (CMs), assisting in the integration and coordination of cross-functional activity across the programme.Establish and implement Architecture Terms of Reference (ToRs), Vision, and Work Plans, aligned to the TOGAF Architecture Development Method (ADM).Skills and Experience Required:Strong understanding of enterprise and technical architecture frameworks, ideally TOGAF.Hands-on experience with architectural modelling tools (ArchiMate, Sparx ..... full job details .....