BESS O&M Engineer

Green Recruitment Company; England; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading recruitment firm in energy solutions is seeking a BESS O&M Service Engineer to support utility-scale Battery Energy Storage System projects across the UK. In this hands-on role, you will be responsible for operations, maintenance, troubleshooting, and performance optimisation, working across live BESS sites and contributing to planning and performance improvement. The ideal candidate has at least 2 years of experience in O&M within the BESS sector and is proactive in their approach. A degree in engineering and UK driving licence are essential.

Qualifications

• Minimum 2 years’ experience in O&M within BESS or the power sector.
• Training on battery systems and PCS equipment is highly advantageous.
• ECS/CSCS card or eligibility to obtain one.

Responsibilities

• Carry out preventive and corrective maintenance on BESS and associated infrastructure.
• Perform remote operations to support maintenance and fault resolution.
• Conduct site inspections, diagnostics, and testing using specialist equipment.

Skills

Experience in O&M within BESS, energy storage, renewables, or power sector

Strong technical knowledge of LV systems, inverters, EMS, and battery systems

Proactive, solutions-focused mindset

Education

Degree in an engineering discipline

Job description

We’re looking for an experienced BESS O&M Service Engineer to support utility‑scale Battery Energy Storage System (BESS) projects across the UK. This is a hands‑on role focused onoperations, maintenance, troubleshooting, and performance optimisation, offering the opportunity to play a key role in the UK’s energy transition.

You’ll work across live BESS sites, supporting commissioning, maintenance, and emergency response activities, while also contributing to planning, documentation, and performance improvement from a home‑office base.

What You’ll Be Doing

• Carry out preventive and corrective maintenance on BESS and associated infrastructure

• Perform remote operations to support maintenance and fault resolution

• Conduct site inspections, diagnostics, and testing using specialist equipment

• Ensure strict compliance with Health & Safety standards and UK HSE regulations

• Supervise subcontractors and ensure quality and compliance of third‑party works

• Support commissioning, upgrades, and major repairs

• Review technical documentation and contribute to maintenance procedures, RAM personnels, and method statements

• Liaise with OEMs and suppliers on maintenance processes and technical clarifications

• Support annual maintenance planning for BESS assets

What We’re Looking For

• Minimum 2 years’ experience in O&M within BESS, energy storage, renewables, or the power sector

• Degree (or equivalent qualification) in an engineering discipline

• Strong technical knowledge of LV systems, inverters, EMS, and battery systems

• Training on battery systems and PCS equipment is highly advantageous

• ECS/CSCS card (or eligibility to obtain one)

• Working knowledge of UK Health & Safety regulations

• Full UK driving licence and willingness to travel nationwide

• Proactive, solutions‑focused mindset

• HV operational experience is a plus