A great opportunity has arisen for an experienced site supervisor to join one of the fastest growing companies in the UK Key Responsibilities: Supervise and support site engineers and subcontractors on projects. Carry out transformer assembly, installation, maintenance, and refurbishment. Lead transformer testing activities and ensure compliance with technical standards. Conduct site audits and prepare reports. Ensure adherence to Health & Safety procedures, RAMS, and site regulations. Support planning and delivery of site contracts, including reviewing schedules and materials. Liaise with project managers, customers, and site teams to ensure successful project delivery. Monitor project progress and proactively resolve issues, delays, or risks. Travel throughout the UK and occasionally overseas.Core Duties: Install radiators, conservators, cooling systems, bushings, tap changers, and associated equipment. Fit cable trays, marshalling boxes, fans, pumps, and cooling accessories. Carry out torque checks and ensure all equipment is installed to specification. Connect and terminate transformer wiring and control systems. Install and test protection and monitoring devices. Complete grounding, bonding, and functional checks of electrical components. Oil draining, filling, and sampling. Replace gaskets, seals, breathers, and accessories. Inspect, clean, and repair transformer components.Beneficial Skills / Qualifications: Proven experience installing and servicing distribution or power transformers. Hands-on mechanical and electrical engineering experience. Ability to read and interpret engineering and schematic drawings. Mechanical/Electrical apprenticeship or relevant qualification. Strong understanding of Health & Safety requirements and risk assessments. ECS Card. Full UK Driving Licence. Excellent communication, problem-solving, and troubleshooting skills. Flexible approach to travel and working hours when required. Transformer testing experience. Overhead Crane/Slinging & Lifting certification. FLT Licence. IPAF certification. Experience working within a continuous improvement environment.Additional Details: Competitive salary (DOE) 25 days holiday plus bank holidays Company profit share scheme Nine-day fortnight Healthcare cash plan and Employee Assistance Programme Pension scheme EV salary sacrifice scheme and charging facilities Excellent on-site facilities with free refreshments