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Posted 01 August, 2026

BESS O&M Service Engineer

Progressive Recruitment
Oxfordshire, ENG, GB Full Time

Job Description

We're currently supporting a leading global energy solutions provider who are looking to recruit an experienced BESS O&M Service Engineer for their UK BESS Projects\n
\nTheir current projects are located in Oxfordshire and Southampton, so you need to be able to commute to both locations.\n
\nThis is a permanent role starting ASAP.\n
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The focus of the role is around:

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  • Operation and maintenance of utility-scale Battery Energy Storage Systems.
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  • Troubleshooting and performance optimisation.
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  • Being technically minded around installations and utility connections.
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  • Reviewing technical maintenance documentation and drawings.
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  • Supporting planning activities and emergency corrective maintenance support.
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  • Ensuring safe and efficient system operation in line with contract obligations.
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Key Responsibilities:

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  • Conduct and support routine preventative and corrective maintenance of Battery Storage Systems and associated infrastructure.
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  • Carry out remote operations as part of corrective or preventative maintenance requirements.
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  • Perform site inspections and diagnostics using tools and test equipment.
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  • Ensure adherence to site-specific Health and Safety standards and regulations.
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  • Supervise subcontractors and ensure quality and compliance of third-party works.
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  • Provide support during commissioning, upgrades and major repairs.
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  • Review maintenance documentation and manuals and support drafting maintenance procedures and Methods of Statement.
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  • Cooperate with management and H&S teams to draft and review H&S documentation, RAMS and other relevant procedures.
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  • Support communication with OEM suppliers for maintenance procedures and relevant clarifications.
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  • Support drafting the annual plan of BESS projects.
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  • Provide on-call support for urgent site issues outside normal working hours.
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Requirements:

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  • Solid experience with the operation and maintenance of Energy Storage/BESS Projects, Renewables or Power Sector industry (minimum 2 years' experience).
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  • Degree or equivalent qualification in a relevant engineering discipline.
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  • Strong understanding and training on LV systems, Inverters, Energy Management Systems and Batteries.
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  • ECS/CSCS card or eligibility to obtain one.
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  • Working knowledge of UK HSE regulations and safe working practices.
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  • Strong organisational and written communication skills.
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  • Full UK driving licence and willingness to travel to sites across the UK.
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  • Forward thinking, a problem solver and solution provider.
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  • Flexibility for participating in out-of-hours coverage.
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  • Experience with HV operations would be advantageous.
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To find out more about Progressive please visit

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