About this role: As a Senior Service Technician, youll be the go-to expert responsible for keeping our solar and BESS sites running safely, efficiently and at peak performance. Youll work closely with regional colleagues, control engineers and asset operations teams to diagnose faults, carry out planned maintenance, and ensure our sites remain safe, compliant and high performing. If you thrive on autonomy, problem-solving and working outdoorsthis is a brilliant opportunity to grow your technical career in a sector thats only going up. This role includes responding to planned and reactive maintenance, fault diagnosis, resolution and reporting. This role requires participation in an weekend on-call rota. The successful candidate will need to be within a commutable distance of Essex. What you will be doing: Carrying out planned and reactive maintenance across electrical, mechanical, communications, structural and security systems. Diagnosing and resolving faults across solar PV and battery storage assets. Completing inspections, reports, work orders and maintaining strong site records. Managing site and vehicle stock, ensuring safe and compliant working at all times. Supervising contractors, delivering site inductions and supporting safe systems of work. Taking part in the weekend on-call rota. Travelling occasionally to support other regions, including overnight stays when required. Participating in technical, on-site and classroom training (with opportunities for overseas training too) What skills you will have: Qualified Electrician or Electrical Engineer (BS7671). Inspection & testing experience (C&G 2391-52 or equivalent, or working towards). Strong background in solar PV installation and maintenance, utility-scale experience is ideal. Experience with inverters/PCS (SMA, Sungrow, Power Electronics, Gamesa, etc.) highly desirable. HV experience preferred (Switchgear, transformers; AP/SAP training up to 33kV advantageous). Great problem-solving ability and confidence working independently. A proactive attitude, good communication skills and a steady approach Enjoy working outdoors in all weather. Full clean UK driving licence. Benefits: Monthly social events, such as team lunches, breakfasts, volunteering and a Christmas and Summer party. Enhanced maternity, paternity and adoption policies. An annual bonus scheme which rewards you for all of your hard work. A referral scheme for when you refer someone to work with the client. Supporting you beyond work with our Employee Assistance Programme offering 24/7 support. The client will fund one professional membership per annum. 25 days of annual leave, plus bank holidays, with the option to roll over up to 5 days. Long Service Recognition Scheme Private Health insurance after completion of 3-month probation period. Life insurance Pension Company Vehicle