Senior O&M Technician - British Solar Renewables

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British Solar Renewables (BSR) develops, builds and maintains cutting‑edge solar, wind and battery storage projects across the UK and internationally. With over 700MWp delivered, we’re one of the UK’s leading renewable energy businesses, now we’re looking for a skilled Senior Service Technician to join our O&M team.

As a Senior Service Technician, you’ll be the go‑to expert responsible for keeping our solar and BESS sites running safely, efficiently and at peak performance. You’ll 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 outdoors, this is a brilliant opportunity to grow your technical career in a sector that’s 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 Chelmsford and Colchester.

• 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).

• 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.

• 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 at BSR.
• Supporting you beyond work with our Employee Assistance Programme offering 24/7 support.
• BSR 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.

2nd February 2026

At BSR, we are committed to equal opportunities in employment. If you need reasonable adjustments for the interview process, contact us at recr This advert may close early if we receive a high volume of applications.