Job Title: HV AP & Commissioning Supervisor – Solar PV & BESS Location: Home-based (extensive UK travel required) Salary: £55,000–£65,000 per annum (dependent on experience) KPI Bonus Benefits Type: Permanent, Full-Time Overview: UnifyHQ is recruiting on behalf of our client for an HV AP & Commissioning Supervisor to support the delivery and commissioning of utility-scale solar PV and battery energy storage projects across the UK. This role reports to the Head of Engineering and plays a key part in ensuring safe, compliant, and high-quality commissioning activities across multiple sites. Key Responsibilities: Perform HV operations on solar PV and BESS assets Supervise on-site commissioning activities Develop and maintain commissioning procedures and protocols Monitor subcontractor compliance with RAMS, ITPs, scopes of work and safety documentation Ensure commissioning tasks are completed by competent, certified personnel Provide feedback on Electrical Safety Rules and commissioning processes Liaise with ICPs, DNOs, subcontractors and internal teams Support transition from construction to operations and maintenance Provide regional leadership to O&M field engineers and electricians Mentor trainee engineers and authorised personnel Maintain communication with the Authorising Engineer Coordinate with performance teams to optimise system outputs Schedule and execute HV switching operations for project handover Train site personnel in routine maintenance and audit completed works Review field reports and ensure resolution of issues Use reporting and software tools to manage commissioning progress Candidate Requirements: * NVQ Level 3 in Electrical Installation or equivalent (City & Guilds or EAL) * HV AP15 or equivalent certification * 4–5 years’ experience in HV operations within renewables or utilities * Experience with HV switching and commissioning of electro-mechanical systems * Strong understanding of inspection, testing and commissioning standards * Excellent attention to detail and safety awareness * Proficient in Microsoft Office and reporting tools * Strong written and verbal communication skills * Ability to manage multiple tasks and maintain a safety-first culture * Willingness to travel extensively across the UK Desirable: * Inspection & Testing certification (e.g. C&G 2391) * Experience as a Qualified Supervisor with a recognised industry body * OEM or service partner training on key components * Experience interpreting test schedules and resolving commissioning issues Benefits: * Basic salary £55,000–£65,000 (dependent on experience) * Discretionary KPI bonus up to 12.5% * Company car * Employer pension contributions up to 6% * Full private health cover * Life assurance (4x salary, post-probation) * 33 days holiday inclusive of bank holidays * IT equipment provided (laptop, mobile etc) To Apply: UnifyHQ is supporting our client in identifying experienced HV professionals to join a growing renewables portfolio. If you meet the criteria and are ready to take on a leadership role in commissioning and HV operations, please submit your CV today