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Bess Field Service Engineer

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Mint Selection

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Location:
United Kingdom

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Category:
Energy

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Contract Type:
Employment contract

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Salary:

Not provided
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Job Description:

We’re looking for BESS Field Service Engineers to join one of the UK’s leading BESS O&M providers. This is a field-based role supporting a growing portfolio of BESS assets across the UK, reporting into the O&M Manager. With over 17 projects in the pipeline, this is a long-term, secure platform within a high-growth environment.

Job Responsibility:

  • Deliver planned preventative and reactive maintenance on BESS assets
  • Diagnose and resolve electrical and system faults across HV/LV equipment
  • Carry out inspections, testing and annual capacity checks
  • Monitor system performance and analyse operational data
  • Support firmware and software upgrades across systems
  • Identify and implement reliability and performance improvements
  • Provide remote diagnostics and phone support where required
  • Support commissioning and handover of new BESS sites
  • Work closely with internal engineering teams to resolve complex issues
  • Operate in line with UK safety standards and site procedures
  • Conduct risk assessments and ensure safe systems of work
  • Maintain accurate service records, reports and documentation
  • Manage spare parts and inventory at site level
  • Feed back field issues to support system and process improvements

Requirements:

  • Qualification in Electrical or Electro-mechanical Engineering
  • Experience in maintenance within power generation, renewables or industrial environments
  • Strong fault-finding capability across electrical systems
  • Basic IT skills (Excel, Outlook, diagnostics tools, networking fundamentals)
  • Willingness to travel across UK sites, with occasional overnight stays

Nice to have:

  • Experience working on BESS or power electronics (inverters, converters, transformers)
  • HV/LV authorisation or experience working on high-voltage systems
  • Understanding of networking (IP, VLANs, Modbus/TCP)
  • 18th Edition / BS7671, Test & Inspect (2391) or similar
  • HVAC / F-Gas knowledge
What we offer:
  • Annual bonus up
  • Private healthcare
  • Life assurance
  • Competitive base salary
  • Social activities
  • Mission driven / hard working culture

Additional Information:

Job Posted:
May 05, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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