Site Electrical Test Engineer

An experienced Site Electrical Test Engineer is required to support on-site testing, commissioning, and maintenance of transformers and associated equipment. This is a site-based role involving regular UK travel and occasional overseas work.

Key Responsibilities Lead on-site transformer testing, commissioning, and fault diagnosis Carry out planned maintenance, repairs, and performance optimisation Ensure full compliance with RAMS, Health & Safety, and site regulations Accurately complete test documentation, reports, and certification Represent the business professionally on customer sites Travel across the UK and internationally as required Testing & Commissioning Perform electrical testing including:
Insulation Resistance, HV/Applied Voltage, and HV Withstand Transformer Ratio, Winding Resistance & SFRA HV/LV CT testing and vector group verification Bushing testing (Tan Delta) and tap changer checks Conduct protection and functional testing :
Relays (Buchholz, Oil Surge, Rupture Detector) OTI/WTI calibration and auxiliary equipment (PRDs, gauges, breathers) Complete system checks :
Cooling systems, marshalling boxes, and control wiring Oil sampling/analysis, impact recorder reviews, Ashridge setup Installation & Assembly Carry out mechanical installation of transformers and components:
Radiators, conservators, cooling systems Bushings, tap changers, gaskets, seals Complete electrical installation work :
Wiring, termination, and control/protection systems Marshalling boxes and cable systems Perform functional checks on alarms, trips, and protection systems Maintenance & Refurbishment Support oil management (draining, filling, filtration, sampling) Replace and upgrade gaskets, seals, and transformer accessories Inspect and maintain transformer components to ensure reliability Site Safety & Operational Excellence Establish safe working areas, barriers, and lifting operations Operate lifting and rigging equipment safely Identify and report hazards, incidents, and near misses Interpret technical drawings and schematics to guide work Beneficial Skills /

Experience:

Proven experience in electrical testing within engineering environments Strong background in transformer testing and commissioning Experience in site-based/live environments Relevant electrical qualifications and regulatory knowledge Ability to read and interpret drawings and schematics Strong understanding of Health & Safety practices Detail-oriented with the ability to work independently Flexible with travel requirements Additional Details:
Competitive salary (DOE) 25 days holiday  bank holidays Quarterly profit share scheme Healthcare cash plan & Employee Assistance Programme EV salary sacrifice scheme Pension