High Voltage Battery Engineer
25 days ago
Stockport
High Voltage Battery Engineer Location: North West Salary: Competitive Salary + overtime Permanent Role Overview: We’re looking for a hands-on High Voltage Battery Engineer to work with EV and Battery Energy Storage Systems (BESS) in real-world, safety-critical environments. This is a site-based engineering role, focused on diagnosing, repairing, dismantling, and safely handling high-voltage lithium-ion battery systems (400V–1000V+ DC). You’ll act as the HV technical authority on site, ensuring work is carried out safely, compliantly, and to a high technical standard. Key Responsibilities: • Diagnose, repair, dismantle, and rework HV lithium-ion battery packs (EV & BESS), • Perform HV isolation, discharge, testing, and fault-finding, • Identify issues at cell, module, pack, and BMS level, • Support site-based assessment, remediation, commissioning support, and decommissioning activities, • Act as HV technical lead on site, ensuring RAMS and safe systems of work are followed, • Write, review, and implement RAMS for HV battery activities, • Produce technical reports, repair records, and battery condition assessments, • Minimum 3 years’ hands-on experience with high-voltage lithium-ion battery systems, • Practical experience with EV batteries and/or BESS, • Proven background in HV battery diagnosis, repair, or dismantling, • Experience working under formal HV safety rules and permit-to-work systems, • Strong understanding of:, • Lithium-ion battery architecture (cell/module/pack), • Battery Management Systems (BMS), • HV isolation, testing, and fault-finding, • Confident writing and implementing RAMS, • Strong BESS exposure, • HV Authorised Person (AP) or equivalent, • Competitive Salary, • Overtime available, • Pension scheme, • 20 days annual leave + bank holidays, • Ongoing HV training and professional development