HV BESS Technician

HV BESS Technician - Aberdeen

We are working with an established clean energy infrastructure business delivering utility-scale solar and battery storage projects across the UK and wider European markets. The role sits within the Operations & Maintenance division and supports the operational performance of battery energy storage assets through planned maintenance, fault finding and high-voltage operations.

This position exists to maintain asset availability, ensure safe operation of HV infrastructure and resolve both electrical and SCADA-related faults across operational BESS sites. The BESS Technician will play a direct role in minimising downtime, supporting grid compliance and maintaining the responsiveness of storage assets connected to the UK electricity network.

Our client is an investor-backed renewable energy platform with a significant operational footprint across solar and battery storage infrastructure. The business has delivered more than 140 renewable energy projects and currently manages over 1.6GW of operational clean energy assets across the UK and Northern Europe.

Alongside utility-scale generation and storage, the organisation also supports wider energy efficiency and grid optimisation programmes, contributing to broader decarbonisation objectives across the energy sector.

• Carry out preventative and corrective maintenance across BESS sites, including fault response and equipment replacement
• Perform HV switching, testing and fault finding across transformers, switch gear and associated electrical infrastructure
• Diagnose and resolve SCADA, PLC and communications issues to maintain site connectivity and operational performance
• Support grid compliance activities and ensure all work is completed in line with HV safety procedures and regulations

• Electrical Engineering qualification such as HNC, HND or equivalent City & Guilds
• Experience with in utility-scale BESS, Solar PV or related HV infrastructure environments
• HV Authorisation or demonstrable capability to progress toward SAP status
• Strong understanding of SCADA systems, industrial communications and fault diagnostics
• Ability to work independently within field-based operational environments while maintaining high safety standards

• Company car or electric vehicle scheme
• Private medical insurance and life assurance
• Enhanced pension contribution
• Company-wide annual bonus scheme (up to 10%)
• Long-term opportunity within a growing renewable energy infrastructure platform

To apply for this role, click ‘apply now’ or contact Holly Higginson at  for more information.

Mint Selection is committed to inclusive hiring and equal opportunities. We welcome applications from all backgrounds and are focused on building diverse teams that reflect the global energy transition.