Field Service Engineer (Utility BESS)

Trina Solar; England; On-site; GBP 42,000 - 64,000; Full time

Benefits offered by this job

Remote work possibility

Qualified training and buddy system

Bonus structure

Job summary

Trina Solar is seeking a field-based Electrical/Mechanical Technician for UK site work on Battery Energy Storage Systems. You will perform RAMS, electrical fault finding, preventive maintenance, testing, and remote monitoring support.

Travel to customer sites with a focus on safety and high-quality documentation, collaborating with engineering teams. The role requires strong fault-finding skills, SCADA/PLC experience, and the ability to work independently in variable outdoor conditions,

Qualifications

• NVQ Level 3, City & Guilds, HNC/HND, or equivalent qualification in Electrical Engineering
• Experience with Battery Energy Storage Systems (BESS), renewables, LV electrical systems and 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

Responsibilities

• Perform RAMS before work commencement and ensure compliance with UK safety standards
• Conduct preventative maintenance on BESS installations and related systems
• Diagnose and resolve electrical, mechanical, and control faults with root-cause analysis
• Coordinate with technical support and engineering teams for complex issues
• Support site commissioning activities and produce handover documentation
• Utilise SCADA and remote monitoring to investigate alarms
• Deliver high levels of customer service on site

Skills

Electrical fault-finding

Reading schematics

SCADA monitoring

Battery energy storage systems

HV switching awareness

Electrical installation & maintenance

Problem solving

Customer-facing communication

Education

NVQ Level 3 / City & Guilds / HNC/HND or equivalent in Electrical Engineering

Tools

SCADA

PLC controls

Power electronics

Job description

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.

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

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

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