BESS O&M Engineer — Hybrid (Site/Remote)

Vallum Associates; Greater London; Hybrid; GBP 55,000 - 75,000; Full time

Job summary

Vallum Associates seeks a Battery Energy Storage Systems (BESS) operations and maintenance engineer to oversee site-based and remote activities across Oxfordshire and Southampton. Responsibilities include maintenance, diagnostics, commissioning support, and safety compliance.

The role requires an electrical engineering qualification and experience in renewable energy, with strong knowledge of LV systems, inverters and battery technology. Travel between sites is expected.

Qualifications

• Electrical engineering qualification is essential.
• Experience within renewable energy, power generation, utilities or related sectors.
• Knowledge of LV systems, inverters, energy management systems and battery technology.
• HV operational experience is desirable.

Responsibilities

• Conduct preventive and corrective maintenance on BESS assets and associated infrastructure.
• Perform remote and on-site diagnostics, inspections and troubleshooting activities.
• Support commissioning activities, system upgrades and major repairs.
• Ensure compliance with Health & Safety regulations and site procedures.
• Supervise subcontractors and monitor quality of third-party works.
• Review maintenance documentation, RAMS and operational procedures.
• Support annual maintenance planning and coordination with OEM suppliers.
• Participate in on-call support for urgent site issues outside normal working hours.

Skills

LV systems

Inverters

Energy management

Battery technology

Renewable energy experience

Education

Electrical engineering qualification

Job description

Vallum Associates seeks a Battery Energy Storage Systems (BESS) operations and maintenance engineer to oversee site-based and remote activities across Oxfordshire and Southampton. Responsibilities include maintenance, diagnostics, commissioning support, and safety compliance.

The role requires an electrical engineering qualification and experience in renewable energy, with strong knowledge of LV systems, inverters and battery technology. Travel between sites is expected.