Expleo is seeking a highly skilled SUMS Pack Deployment and Compatibility Operational Test Engineer to join our team in Gaydon, Warwickshire, on an Inside IR35 contract basis. This is a workshop-based role focused on updating current production and engineering vehicles to the latest software packs, ensuring readiness for SOTA and integration testing. You'll be working on cutting-edge automotive technology in a dynamic and collaborative environment. Key Responsibilities: Diagnose and repair mechanical systems (engine, chassis, etc.) Perform software updates and validation testing Conduct service, diagnostics, and repair operations on current vehicles Provide technical feedback to support subsystem development Prepare, fit, and remove test components Assemble and replace systems/components Manufacture and modify electrical harnesses Trace, rectify, and validate faults using diagnostic tools Interpret technical drawings and collaborate with engineering teams Engineer bespoke solutions to overcome technical challenges What We're Looking For: Advanced knowledge of operational procedures and tools Experience in diagnostics and repair of automotive systems Proficiency with computer diagnostic equipment Ability to work independently in non-routine situations Strong communication and documentation skills Experience leading daily operations and mentoring junior staff is a plus