• Diagnose and repair high-voltage system, drive units, battery packs, and hydraulic suspension assemblies across R1T/ R1S platforms. • Perform ADAS sensor calibration, camera/radar alignment, and post-repair validation following engineering protocols. • Utilize ServiceOS, CAN data, and advanced diagnostic software to analyze root causes and verify system integrity. • ·Conduct HV battery pack isolation, torque-spec verification, and containment testing in compliance with ESD/Loto/ HV safety standards. • Collaborate with engineering teams on testing and validation feedback, supporting root-cause investigation for recurring field failures. • Lead cross-functional diagnostic efforts that reduce vehicle downtime by ~30%, improving field service efficiency and data traceability.