Commissioning Supervisor

BELECTRIC UK | Member of Elevion Group; United States; Hybrid; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Bonus

Full health cover and 4 x life cover

Up to 6% employer pension contribution

25 days holiday + public/bank holidays

Flexible working arrangements

Job summary

BELECTRIC UK | Member of Elevion Group is seeking a Commissioning Supervisor to lead and deliver the commissioning of solar PV and battery energy storage projects. Hybrid working arrangement applies with 3 days on site and 2 days at home.

You will oversee HV and LV systems, coordinate teams and ensure safety, quality and timely handover to clients. We require proven experience in HV/LV commissioning, BESS, PV testing, and strong knowledge of UK grid code requirements.

Qualifications

• > Proven HV switchgear, transformer, and associated plant commissioning experience.
• '> Experience with LV transformer stations and distribution systems.
• '> Experience commissioning BESS, including AC/DC and DC/DC conversion equipment.
• '> Knowledge of earthing system design principles and EPR assessment.
• '> Experience in PV module/string testing methodologies.
• '> Strong ability to read and interpret detailed electrical schematics and SLDs.
• '> Experience liaising directly with DNOs and client/stakeholder representatives.
• '> Working knowledge of BS 7671, IEC 60364, and UK grid code requirements (G99/G100).

Responsibilities

• Take ownership of commissioning activities across Solar PV and BESS projects, ensuring works are delivered safely, compliantly and in line with project programmes from pre-energisation to final handover.
• Coordinate commissioning teams, subcontractors and key stakeholders while maintaining commissioning documentation, managing risks, and supporting regulatory compliance and project handover requirements.
• Oversee the testing and commissioning of HV systems, including switchgear, transformers, protection schemes and associated plant, ensuring protection settings, functional testing and all energisation activities comply with relevant standards, grid requirements and project specifications.
• Supervise the commissioning of transformer stations, distribution boards and associated LV systems, verifying protection discrimination, cabling and termination integrity to ensure safe and compliant operation.
• Commission and verify BESS and power conversion systems, including PCS, DC/DC converters, battery integration, EMS/SCADA interfaces, grid connectivity, functional testing and battery conditioning activities where required.
• Verify and test earthing and bonding systems, including EPR assessments, earth resistance and touch/step potential testing, ensuring compliance with project requirements, DNO standards and statutory regulations.
• Supervise and verify PV system commissioning activities, including string and module testing, inverter commissioning, system integration, and the investigation and resolution of performance or fault issues.
• Interpret electrical schematics and single-line diagrams (SLDs), identifying and managing discrepancies between design documentation and as-built installations through effective technical query resolution.
• Act as the primary commissioning interface with DNOs, clients, contractors and equipment manufacturers, coordinating witness testing, energisation approvals and commissioning activities while providing project updates and escalating technical risks and issues.

Skills

HV switchgear commissioning

LV transformer stations

BESS commissioning (AC/DC/DC-DC)

earthing systems & EPR

PV module/string testing

reading schematics & SLDs

DNO liaison

UK grid code knowledge (G99/G100)

Job description

Location: Hybrid - 3 days on site, 2 days at home (including overnight stays)

Hours: Full-time

Sector: Renewable Energy / Solar Power

Be part of the clean energy revolution!

Are you an experienced Commissioning Supervisor looking for your next move?

Belectric UK is seeking a Commissioning Supervisor to join our growing commissioning team.

In this role, you’ll supervise and deliver the commissioning of all solar pv and battery energy storage projects.

This is your chance to make a meaningful impact within a forward-thinking, industry leading renewable energy company.

If you're passionate about sustainability and want your work to help shape a better world - we want to hear from you!

What’s in it for you?

At Belectric UK, you’ll be part of a passionate team committed to building a sustainable future. We offer a dynamic work environment, opportunities for growth, and the chance to make a real impact in the renewable energy sector.

• Bonus
• Full health cover and 4 x life cover
• Up to 6% employer pension contributions
  
• 25 days holiday (plus public and bank holidays)
• Supportive, family-friendly workplace with enhanced leave and flexible working arrangements
• Employee Assistance Program

What You’ll Be Doing

• Take ownership of all commissioning activities across Solar PV and BESS projects, ensuring works are delivered safely, compliantly and in line with project programmes from pre-energisation to final handover.
• Coordinate commissioning teams, subcontractors and key stakeholders while maintaining commissioning documentation, managing risks, and supporting regulatory compliance and project handover requirements.

High Voltage Systems

• Oversee the testing and commissioning of HV systems, including switchgear, transformers, protection schemes and associated plant, ensuring protection settings, functional testing and all energisation activities comply with relevant standards, grid requirements and project specifications.

Low Voltage & Transformer Stations

• Supervise the commissioning of transformer stations, distribution boards and associated LV systems, verifying protection discrimination, cabling and termination integrity to ensure safe and compliant operation.

Battery Energy Storage Systems

• Commission and verify BESS and power conversion systems, including PCS, DC/DC converters, battery integration, EMS/SCADA interfaces, grid connectivity, functional testing and battery conditioning activities where required.
• Verify and test earthing and bonding systems, including EPR assessments, earth resistance and touch/step potential testing, ensuring compliance with project requirements, DNO standards and statutory regulations.
• Supervise and verify PV system commissioning activities, including string and module testing, inverter commissioning, system integration, and the investigation and resolution of performance or fault issues.
• Interpret electrical schematics and single-line diagrams (SLDs), identifying and managing discrepancies between design documentation and as-built installations through effective technical query resolution.
• Act as the primary commissioning interface with DNOs, clients, contractors and equipment manufacturers, coordinating witness testing, energisation approvals and commissioning activities while providing project updates and escalating technical risks and issues.

What We’re Looking For

• Proven experience in HV switchgear, transformer, and associated plant commissioning.
• Experience with LV transformer stations and distribution systems.
• Experience commissioning BESS, including AC/DC and DC/DC conversion equipment.
• Sound knowledge of earthing system design principles and EPR assessment.
• Experience in PV module/string testing methodologies.
• Strong ability to read and interpret detailed electrical schematics and SLDs.
• Experience liaising directly with DNOs and client/stakeholder representatives.
• Working knowledge of BS 7671, IEC 60364, and UK grid code requirements (G99/G100).