Job Title: Electronics Testing Specialist - SC Cleared/Eligible Location: Portsmouth - fully onsite Salary/Rate: Up to £400 per day inside IR35 Start Date: 25/05/2026 Job Type: Contract until the end of the yearJob Responsibilities/ObjectivesInstall test equipment and perform test on systems/subsystems to ensure their behaviour are according to the specifications. Perform trouble-shooting and first level quality inspection Specimen to be tested, test procedures, test facilities and when needed, calibrated sensors and installation procedures. Test completion and associated documentation (test report delivery, anomalies reports ).You will play a key role in:Test facilities preparation,Sensors calibration,Testing documentation and report preparationFirst level quality inspection of specimen undergoing testInitial troubleshooting in case of faults identifiedRequired Skills/Experience The ideal candidate will have the following:Solid understanding of latest system testing methodologies.Proficiency in using testing tools (RF Simulator, Spectrum Analyser).Ability to organise own activities to match project timeline and track bug to closureIf you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an