We''re supporting a leading defence contractor delivering a major new communications programme in the Bristol area. We''re seeking SC Cleared Military Systems Integration Engineers to join the team on a long-term assignment. This role is ideally suited to engineers with experience in systems integration, communication systems engineering, and tactical networking - particularly those who have worked on similar programmes or secure military communications projects. Key Responsibilities Integrate hardware and software components into tactical military communication systems. Support the Solution Architect in defining system and sub-system designs. Develop and integrate communication systems in line with agreed architectures. Perform unit testing, debugging, and support verification and validation activities. Work closely with testers to define appropriate system and acceptance tests. Collaborate with wider engineering and project teams to deliver end-to-end solutions. Essential Skills andamp; Experience Strong background in systems integration and communications engineering. Experience with tactical radios (HF, VHF, UHF, MESH, MANET). Solid understanding of TCP/IP Networking and MANET-focused comms plans. Integration and testing of ATAK plugins and applications. Windows/Linux management systems for provisioning Android devices. Experience working in an Agile environment (JIRA, Confluence). Hands-on deployment and troubleshooting experience, ideally in