Senior Product Test Development Engineer Glenrothes & Livingston | Full Time | Permanent £7,500 Welcome Bonus Excellent Benefits Relocation assistance available Copello is supporting the recruitment of a Senior Product Test Development Engineer to join an established and growing engineering team within a highly regulated, advanced technology environment. This opportunity offers strong long-term career progression within an R&D-driven organisation that is investing in future capability and expanding its technical teams. The Role As a Senior Product Test Development Engineer, you will be responsible for the design, manufacture, verification, validation, and through-life support of test equipment at board, sub-system, and system level. You will work on complex electronic systems deployed across a range of demanding applications, contributing to technically challenging and safety-critical programmes. Key Responsibilities * Design and develop functional test equipment for electronic systems * Lead and support hardware/software integration and fault diagnosis * Provide lifecycle and production support, including issue resolution and obsolescence management * Work collaboratively across engineering disciplines to deliver scalable test solutions * Lead design reviews and produce high-quality technical documentation * Provide technical guidance and mentorship to junior engineers Required Experience * Strong knowledge of analogue and digital electronic circuit design * Ability to produce detailed technical design documentation * Experience transferring designs into production environments * Excellent hardware fault-finding and debugging skills * Test software development experience * Experience supporting and debugging system integration * Eligibility for UK Security Clearance (minimum BPSS, ideally SC) Desirable Experience * Significant industry experience in test development * Experience with schematic capture and PCB layout tools * Knowledge of common test architectures (e.g., PXI/LXI) * Understanding of measurement uncertainty and its application in test equipment validation * Experience with LabVIEW, CVI, TestStand, C# or similar software tools * Mixed-signal circuit design * High-speed serial networks * RF electronics knowledge * Power supply design experience