Job Title: Electrical Modifications Technicians Location: East Yorkshire Hourly Pay Rate: £29.00 Umbrella Shifts: Minimum of 40 hours a week, potentially rising to 45 hours after 12 weeks Shift Pattern: Mon - Fri 06:30 - 14:30 / 14:30 - 22:30 rotating weekly Duration: On-going contract Start Date: January 2026 Position Summary: Working at a modern Rolling Stock production facility you who will initially be engaged for the implementation of a suite of modifications for the new London Underground Stock. You will be responsible for: * Take responsibility for the safe, efficient and professional workmanship of oneself and others under your control. * Carrying out modifications on electrical systems including wiring strip out and rewires, electrical component removal and installation and testing of all work undertaken. * Carrying out fault finding on Electric Multiple Units. * Checking train systems including TPWS (Train protection and Warning Systems), AWS (Automatic Warning Systems), PIS (Passenger Information Systems), Traction, braking, doors, radios, CCTVs and HVAC units DOO (Driver only operations systems). * Using manufacturer supplied computer programs to interrogate and program parts and systems. * Gather evidence of faults and create reports to ensure warranty covered parts are replaced * Carrying out work recording via both paperwork and computer systems Qualifications / Education required: * Minimum req...