Systems Engineer - Military Satellite Communications Location: Portsmouth, UK Security Clearance: SC Clearance Required (British Eyes Only) Travel: Ad hoc UK travel A rare opportunity has emerged for a talented Systems Engineer to play a pivotal role in shaping the future of Military Satellite Communications (Milsatcom). The successful candidate will join a high-performing team of Lead Systems Engineers and Architects, contributing to advanced defence programmes that span space, control, and ground segments. This role focuses on defining system architecture for upcoming UK MOD tender opportunities-including the Skynet Enduring Capability-as well as other strategic Milsatcom initiatives. With a legacy of delivering secure satellite communications from Skynet 4 through Skynet 5 and now Skynet 6A, this team is pushing the boundaries of inter-satellite links, navigation, and resilient space-based networks. Key Responsibilities Capture and define system requirements from stakeholder needs through to subsystem level Maintain ownership of traceability and verification processes Support Verification, Validation & Test (VV&T) activities Define ground system architecture and conduct trade-off analyses Collaborate with engineering leads and partners in integrated working groups Contribute to technical proposals and solution reviews Provide technical support to bidding teams Offer systems engineering and project management input fo...