Location: South East, East Kent, Essex, East London Salary: Circa £60,000 per annum + vehicle + benefits PLEASE NOTE: You must have the right to work in the UK. Unfortunately, we are unable to offer sponsorship for this position. About Our Client: Our client is a leading international provider of renewable energy solutions with a strong presence in the UK energy sector. They are focused on advancing energy storage infrastructure and are seeking a skilled Field Service Engineer to support BESS installations and operations across the South East. Must-Have Experience: • Some experience in BESS maintenance or HV/LV systems or HVAC or F-Gas • Strong electrical or electromechanical background • Working knowledge of SCADA and site-specific monitoring tools • Basic IT and networking troubleshooting skills • Qualified to CandG 2391-5 or NVQ Level 3 • ECS Gold Card (or equivalent) • Familiarity with BS7671 and on-site safety practices What You''ll Be Doing: • Preventive maintenance, inspections, and troubleshooting of BESS • Performing system software and firmware upgrades • Monitoring system performance and analysing data • Providing remote diagnostics and customer phone support • Managing spare parts and reporting usage • Ensuring safety compliance and maintaining site documentation • Supporting field-based improvements and providing technical feedback What You ll Receive in Return: • Competitive base salary plus overtime • Fully expensed vehicle and tools • Ongoing training and ..... full job details .....