Site Electrical Testing Engineer

This is an exciting opportunity to join a brilliant team to support the continued growth of an established family-owned business in Leeds. We are seeking an experienced Site Test Engineer to join great Operations team. This role is primarily site-focused, requiring regular travel across the UK and, where required, overseas.

The Role:

Reporting to the Head of Site Services, you will be responsible for the on-site testing, commissioning and maintenance of transformers and associated equipment. This is a hands-on role combining mechanical, electrical, and testing responsibilities, requiring a high level of technical competence, safety awareness, and the ability to work independently on customer sites.

Key Responsibilities Lead and carry out on-site transformer testing and commissioning activities Perform mechanical assembly and installation of transformers and associated equipment in line with Transformer testing procedures Carry out fault finding, diagnostics, and repair work Undertake transformer maintenance activities Read and interpret technical drawings and schematics Complete all test documentation and reports accurately Ensure all work is carried out in line with site RAMS and Health & Safety requirements Represent the business professionally when working with customers and stakeholders Travel regularly to sites across the UK and overseas as required Transformer Testing Scope Power Transformers Insulation Resistance HV Withstand Testing Transformer Ratio Testing SFRA Winding Resistance Testing HV & LV CT Testing Bushing Testing including Tan Delta Tap changer Checks Buchholz Relay Alarm and Trip Testing OTI and WTI Calibration PRD, MOG, Air Bag Relay and Oil Surge Relay functional checks Marshalling Box testing Cooling system checks including fans Rupture Detector Relay testing Impact Recorder results review Oil sampling including pre- and post-circulation analysis Ashridge setup Distribution Transformers Insulation Resistance testing Applied Voltage / HV Withstand testing Winding Resistance testing Transformer Ratio testing Vector Group verification HV and LV CT testing Marshalling and control wiring checks Functional testing of auxiliary equipment including:

- Breathers - OTI and WTI - Magnetic Oil Gauge - Buchholz relay - Pressure Relief Device - Pressure and vacuum gauges Additional Site Responsibilities Mechanical Assembly Installation of radiators, conservators, and cooling systems Mounting HV and LV bushings and tap changers Gasketing and sealing to prevent oil leaks Installation of marshalling boxes, cable tray, and accessories Torque checking of fixings Electrical Assembly Termination of internal and external wiring Installation and wiring of control and protection devices Performing functional checks on alarms and trips Maintenance and Refurbishment Oil draining, filling, and filtration support Replacement of gaskets, seals, and breathers Inspection and upgrading of transformer accessories Oil sampling for analysis Site Safety and Compliance Setting up safe working areas and barriers Following RAMS and site safety rules Use of lifting and rigging equipment Reporting hazards, near misses, and incidents Knowledge and Experience Proven experience in electrical testing within an engineering environment Demonstrable experience in transformer testing and commissioning (essential) Experience working in site-based roles and live environments Relevant electrical qualifications and strong knowledge of regulations Ability to read and interpret electrical drawings and schematics Strong understanding of Health and Safety and safe systems of work Methodical approach with strong attention to detail Good communication skills and ability to work independently on site Flexible and willing to travel as required

Salary and Benefits Competitive salary (depending on experience) 25 days holiday plus bank holidays Company profit share scheme (paid quarterly) Healthcare cash plan and Employee Assistance Programme EV salary sacrifice scheme and EV charging on site in Leeds Pension scheme Job Types: Full-time, Permanent

Experience:

Working on site fitting distribution and power transformers: 1 year (required) Working within a engineering environment: 1 year (required) The ability to understand mechanical and schematic drawings : 1 year (required) Health & Safety and conducting risk assessments : 1 year (required)