Commissioning Technician BESS

Job Title: Commissioning Technician Location: London, Mill Hill Salary: £50ph About the Role: Our client, a global leader in green technology and renewable energy solutions, is seeking a skilled Commissioning Technician to support the delivery of advanced energy storage projects. This role offers the opportunity to work on cutting-edge battery energy storage systems (BESS) and contribute to large-scale energy transformation initiatives worldwide. Key Responsibilities: * Install and commission battery energy storage systems in line with technical specifications * Debug systems, diagnose faults, and restore operational performance * Prepare site plans and coordinate installation and commissioning activities * Carry out technical upgrades, maintenance, and system improvements as directed by site leadership * Ensure all work is completed safely, efficiently, and to high-quality standards Requirements: * Minimum 2–3 years’ experience in BESS commissioning * Relevant certifications such as CSCS, IOSH, NEBOSH, or SMSTS * Electrical qualifications, including high-voltage and/or low-voltage certification (preferred) * Strong problem-solving skills and ability to troubleshoot complex systems * Willingness to work on-site for extended periods and travel as required * Good communication skills and proficiency in Microsoft Office tools * IELTS score of 5.0 or above, or willingness to improve English proficiency Desirable Skills: * Experience in power electronics or renewable energy systems What’s on Offer: * Opportunity to work with a leading innovator in renewable energy * Exposure to international projects and advanced technologies How to Apply: If you are an experienced commissioning technician looking to play a key role in the future of energy, don't hesitate to apply