Power Supply Test Engineer

Job Title:

Power Supply Test Engineer Location:

Irvine, CA /Onsite Position type: Full time/Permanent role

Experience:

8+

Years Descriptions:

Must Have Technical/Functional Skills:

3+ years hands-on testing of high-voltage, high-power

AC-DC / DC-DC

converters Strong understanding of PFC, flyback, LLC, or similar topologies Proficient with oscilloscope, HV differential probes, current probes, power analyzers, electronic loads Comfortable and safety-conscious working around high-energy DC buses

Roles & Responsibilities:

Hands-on, bench-focused test engineer responsible for high-voltage power supply validation, design characterization, and DVT execution for new product development programs. Responsibilities Perform extensive bench-level testing of high-voltage AC-DC and DC-DC power supplies (300-800+ VDC bus) Execute Design Characterization (DC) and DVT plans under full power and stress conditions Validate efficiency, ripple, regulation, transient response, hold-up time, and protection features Perform loop stability (FRA/Bode) measurements on high-voltage PFC and isolated stages Conduct high-voltage start-up, inrush, and fault testing Perform thermal characterization at full load and elevated ambient Debug board-level and system-level issues in high-energy power circuits Capture and analyze high-voltage waveforms using differential probes and current probes Document structured test results with clear pass/fail criteria