Field Service Engineer (Utility BESS)

Trina Storage (UK) Ltd.UK (England & Wales)Job.bopublicat 20.10.2026
Obligatoriu:Senior

Your tasks

Health, Safety & Compliance

  • Always work in accordance with UK health and safety legislation, company procedures, and site-specific requirements.
  • Perform risk assessments and method statements (RAMS) before commencing work.
  • Ensure compliance with electrical safety standards, and lockout/tagout (LOTO) procedures.
  • Promote a strong safety culture and report hazards, incidents, and near misses

Preventative Maintenance

  • Conduct planned preventative maintenance (PPM) on BESS installations.
  • Inspect battery enclosures, PCS (Power Conversion Systems), transformers, switchgear, HVAC systems, fire suppression systems, and monitoring equipment.
  • Complete maintenance documentation accurately and on time.
  • Ensure service activities meet contractual requirements and OEM standards.

Fault Finding & Repairs

  • Diagnose and resolve electrical, mechanical, communication, and control system faults.
  • Perform root cause analysis and implement corrective actions.
  • Replace defective components including: Battery modules; Inverters/PCS units; Communication devices; UPS systems; Fire Alarm systems; Gas alarm systems; Temperature management systems
  • Coordinate with technical support and engineering teams for complex issues.

Commissioning & Testing

  • Support site commissioning activities for new energy storage projects.
  • Conduct functional testing, electrical verification, and system performance assessments.
  • Assist with system energisation and grid compliance testing.
  • Produce commissioning reports and handover documentation.

Remote Monitoring & Support

  • Utilise SCADA and remote monitoring platforms to investigate alarms and performance issues.
  • Support customer requests and technical queries.
  • Escalate critical issues appropriately to engineering and management teams

Documentation & Reporting

  • Complete service reports using company service management systems.
  • Maintain accurate records of work completed, parts used, and recommendations.
  • Update technical documentation and service databases.

Customer Engagement

  • Act as the primary technical representative on site.
  • Build strong relationships with customers, contractors, and suppliers.
  • Deliver high levels of customer service and professionalism.

Requirements

Essential

  • NVQ Level 3, City & Guilds, HNC/HND, or equivalent qualification in Electrical Engineering.
  • Experience working on: Battery Energy Storage Systems (BESS); Renewables; Low-voltage (LV) electrical systems; Industrial power systems
  • Strong electrical fault-finding skills.
  • Experience interpreting electrical drawings and schematics.
  • Full UK Driving Licence.
  • Ability to work independently in a field-based environment.
  • Right to work in the United Kingdom.

Desirable

  • Previous experience with utility-scale battery storage systems.
  • Authorised Person (AP) or Senior Authorised Person (SAP) experience.
  • Experience with: SCADA systems; PLC controls; Power electronics; Inverters and converters
  • G99/Grid Code knowledge.
  • Renewable energy industry experience

Technical Competencies

  • Electrical installation and maintenance
  • High-voltage switching awareness
  • Power conversion systems
  • Battery technologies (Lithium-Ion preferred)
  • Protection systems
  • Network communications
  • SCADA monitoring systems
  • Root cause analysis
  • Technical reporting
  • Reading and interpreting electrical schematics

Personal Attributes

  • Strong commitment to safety.
  • Excellent problem-solving abilities.
  • Customer-focused mindset.
  • Self-motivated and organised.
  • Strong communication skills.
  • Flexible and willing to travel.

What we offer

  • A dynamic environment with high responsibilities and an independent working style
  • The opportunity for professional development and growth in one of the most fast-growing industries.
  • An environment of open communication where all ideas and opinions are valued
  • Collaboration with an international and diverse team from all over Europe
  • Possibility for remote work
  • Qualified training and support with our buddy system
  • A detailed introduction to our product portfolio
  • Competitive salary and a great bonus structure
  • Attractive additional benefits that vary depending on the country

Other

Working Environment

  • Field-based role covering South East England.
  • Frequent travel to customer sites.
  • Overnight stays.
  • Outdoor work in all weather conditions.
  • Remote diagnosis of faults and issues