Please make an application promptly if you are a good match for this role due to high levels of interest. Avionics Test Technician Location: Farnborough, UKContract: Until 31/12/2026 (likely extension)Hours: 37 per weekClearance: BPSS+ (to be completed by Our Client)Pay: £23.29 per hour PAYE / £31.16 per hour Umbrella About the Opportunity Our client is a global innovator operating at the forefront of aerospace technology. Their pioneering high-altitude, solar-powered platforms operate in the stratosphere, supporting a wide range of critical applications including Earth observation, environmental monitoring, border surveillance, disaster response and advanced connectivity solutions. As they continue to expand capability and workload, our client is seeking two Avionics Test Technicians to join their highly skilled engineering environment. This is a fantastic opportunity to be part of an organisation pushing the boundaries of next-generation aerospace systems. Role Overview The Avionics Test Technician will support the verification and validation of advanced avionics systems on high-altitude platform aircraft. You will work hands-on across testing, troubleshooting, and collaborating with multidisciplinary engineering teams to ensure safe, high-quality, and repeatable test execution. This role is ideal for someone with strong test engineering experience, excellent attention to detail, and a passion for working on cutting-edge technology. Key Responsibilities Execute structured test procedures for avionics systems and components Carry out hands-on fault finding, troubleshooting and test analysis Work with wiring harnesses, sensors, thermocouples, and measurement tools Log, analyse and report test results clearly and accurately Identify test risks, issues, and improvement opportunities Essential Skills & Experience Previous experience as a Test Technician or Test Engineer (aerospace/avionics preferred) Strong safety-first mindset Experience with structured test execution and working from detailed test plans Comfortable working with wiring harnesses, xehkeey sensors, thermocouples etc. Confident identifying test plan errors or areas for improvement Desirable Skills Experience operating thermal or vacuum chambers (manual or automated) Electrical troubleshooting expertise Knowledge of aerospace/environmental standards (e.g., DO-160, MIL-STD-810) If you think this could be a new and exciting career opportunity for you and you would like to learn more or just for an initial, no-obligation conversation please contact me on or you can apply directly by following the Easy Apply link and I will contact you as soon as I receive your contact details. This vacancy is being advertised by Belcan