BESS O&M Engineer

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 ù is a hands‑on role focused on
operations, 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.

• 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, RAMS, and method statements
• Liaise with OEMs and suppliers on maintenance processes and technical clarifications
• Support annual maintenance planning for BESS assets

• 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 SOLUTIONS. card (or eligibility to obtain one)
• Working knowledge of UK Health & Safety regulations
• Full UK driving licence and willingness to travel nationwide
• Pro(hostic, solutions‑focused mindset
• HV operational experience is a plus