In-Service Support Technician High Wycombe Overview Join a global defence technology organisation providing advanced multi-mission systems for military platforms. The in-service support team delivers engineering expertise to customers worldwide, ensuring equipment remains operational, reliable, and ready for deployment. Role Purpose As a In-Service Support Engineer, you''ll provide technical support for fielded systems, assisting with maintenance, diagnostics, upgrades, and lifecycle management. Work closely with engineering, project, and customer-facing teams to maintain high availability of deployed equipment. Key Responsibilities Support delivery of in-service engineering activities alongside project engineering teams. Maintain lab spaces and ensure equipment is serviceable and compliant. Diagnose, investigate, and resolve system defects. Install and integrate hardware or line-replaceable units (LRUs). Conduct surveys, repairs, and testing on equipment. Perform integration and acceptance testing with design and software teams. Prepare and dispatch project equipment; maintain and repair test assets. Assist field engineering teams by coordinating spares and test resources. Monitor system performance and perform root-cause analysis. Support inspection and preventative maintenance programmes. Highlight resource constraints and contribute to engineering best practices. Skills and Experience HNC or higher in Engineering (or equivalent technician experi