Location: South UK (covering Oxfordshire and Southampton sites)
Type: Permanent
Reporting to: Technical Director (UK)
About the Role - Battery Energy storage system operations and maintenance
The successful candidate will be responsible for the operation and maintenance of utility-scale Battery Energy Storage Systems, ensuring safe, reliable and efficient performance. The role combines field-based activities with home-office working and involves troubleshooting, inspections, performance optimisation, maintenance planning and emergency response support.
This is an excellent opportunity to join a business experiencing significant growth within the energy transition sector and to contribute to the long-term success of major BESS projects.
Key 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, reports, 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.
Candidate Requirements
- Electrical engineering qualification is essential.
- Experience within renewable energy, power generation, utilities or related sectors.
- Strong understanding of LV systems, inverters, energy management systems and battery technology.
- ECS/CSCS card, or eligibility to obtain one.
- Knowledge of UK HSE regulations and safe working practices.
- Full UK driving licence and willingness to travel between sites.
- Experience within BESS or energy storage projects would be highly advantageous.
- HV operational experience is desirable.
Additional Information
- The role is predominantly site-based, with home-office working when not on site.
- Coverage is required across two locations: Oxfordshire and Southampton . Candidates based in London or near either site would be particularly well positioned.
- Sites operate 24/7, and occasional weekend work may be required to address urgent operational issues.
- The projects are expected to run for approximately 8-12 years , providing excellent long-term career stability.
- Competitive salary and bonus scheme.
- 25 days annual leave plus bank holidays.
- Flexible working arrangements.
- Private medical insurance.
- Pension scheme with matched contributions.
- Car allowance and company vehicle for business travel.
- Ongoing training and development opportunities.
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BESS O&M Service Engineer in London employer: Vallum Associates
As an Electronics Test Engineer at our company, you will be part of a dynamic and innovative team dedicated to pushing the boundaries of technology in a collaborative work environment. We offer competitive benefits, a strong focus on employee development, and opportunities for career advancement, all while being located in a vibrant area that fosters creativity and growth. Join us to make a meaningful impact in the field of electronics testing and enjoy a rewarding career with us.
