Powertrain Manufacturing Test Engineer
$126,700–$158,400 year
On-site · San Jose, California, United States
Job Summary
Lead End-of-Line (EOL) and in-process test development for High Voltage batteries and electric motors, covering performance, safety, and system integration. Design and deploy manufacturing test strategies including hipot, insulation resistance, winding verification, electromagnetic performance, and ESS. Specify, validate, and commission production test equipment, including installation, FAT, and production readiness. Program, maintain, and optimize automated test equipment (ATE), test sequences, pass/fail logic, and data collection systems. Partner with Manufacturing, Design, Quality, and Test teams to integrate test stations into production lines and improve throughput, yield, and quality. Analyze production test data to identify trends, drive root cause, and implement corrective actions. Support FAI, production qualification, and manufacturing process changes for new battery and motor builds. Troubleshoot test equipment and production issues directly on the factory floor. Develop and maintain test procedures, work instructions, and HV safety documentation. Own calibration, maintenance, and validation of manufacturing test equipment. Contribute to PFMEA and in-process quality control strategy.
Required Qualifications
- Bachelor’s degree in Electrical, Mechanical, Manufacturing Engineering, or equivalent
- 3+ years of manufacturing test engineering experience; EV battery or electric motor production strongly preferred
- Hands-on experience with production test equipment and automated electrical test systems
- Strong understanding of high-voltage safety, battery and motor manufacturing processes
- Experience with battery testing (capacity, IR, balancing, BMS configuration) and motor testing (back-EMF, insulation, ESS, dyno, torque/speed characterization)
- Proficiency in test data analysis, SPC, and manufacturing test data systems (MES)
- Experience bringing production test equipment from prototype through mass production
- Strong troubleshooting skills across test equipment, product, and process issues
- Comfortable working on the production floor with technicians and operators
- Ability to create, validate, and sustain manufacturing test procedures and work instructions
- Solid communication skills and experience working cross-functionally
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