Lead verification and validation of battery chargers and power conversion products through EVT/DVT/PVT and production release. Develop and execute test plans, perform electrical/thermal/functional characterization up to 1,000 VDC and 22 kW, analyze data, support DFMEA and root-cause investigations, maintain lab setups, and ensure safety, EMC, and regulatory compliance. Produce technical reports and improve test automation and processes.