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 switchin...