Commissioning Engineer (HV Electrical Systems)Sheffield 75,000 - 80,000 + Hybrid Working + Matched Pension + Life Assurance + Enhanced Family Leave + Buy/Sell Holidays + 24/7 GP Service + Employee Wellbeing ProgrammeAre you an experienced Commissioning Engineer or Senior Authorised Person with a background in HV electrical systems and grid infrastructure?Do you want to take ownership of commissioning and energisation activities on major HV projects up to 132kV?This company is a specialist engineering and infrastructure delivery organisation operating within the high voltage grid connection sector. They deliver complex electrical infrastructure projects across utilities, renewable energy and industrial markets, supporting the UK''s transition to a low-carbon energy system.In this role, you will be responsible for leading the testing, commissioning and energisation of HV electrical infrastructure projects. You will ensure all systems are fully tested, compliant and safely energised, working closely with DNOs, TSOs, contractors and internal engineering teams.You will take ownership of commissioning plans, testing programmes and site activities, ensuring all works are delivered safely, on time and to the required technical standards.The ideal candidate will have strong HV commissioning experience, including protection testing, relay configuration and substation energisation activities, along with the ability to manage multiple stakeholders in high-pressure environments.This is a