Power Electronics Technician - EV Inverter & HV Testing

Front Door Defense

Garden Grove (CA)

On-site

USD 41,328 - 55,104

Full time

14 days+

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Job summary

Harbinger Motors in Garden Grove, California seeks a Power Electronics Technician to validate and test high‑voltage power electronics from bench to vehicle integration. You will join a design‑to‑production team focusing on inverters, on‑board chargers, and energy storage products.

The role requires hands‑on testing experience (5+ years) in automotive or related fields, EMI troubleshooting, PCB familiarity, and LTspice simulation. On‑site, full‑time position with a competitive hourly compensation.

Qualifications

5+ years hands-on electrical engineering experience in automotive or related fields.
Experience troubleshooting EMI issues.
Experience with PCBs and Altium Designer.
Embedded firmware development experience is a plus.
LTspice or circuit simulation experience.

Responsibilities

Test power converters including inverters, on-board chargers, and energy storage systems.
Automate test stands and CAN-based control of power converters.
Design schematics and instrument PCBs for manufacturing input.
Conduct environmental testing including shock and vibration.
Instrument high-voltage test setups with low-inductance methods.
Perform EMC testing at component and vehicle level.
Dyno testing, troubleshooting, and data analysis for inverter testing.
Support design releases and supplier feedback.
Set up test benches for board-level and vehicle bring-up.
Collaborate with cross-functional teams to troubleshoot electrical issues.
Engage suppliers to identify components.
Generate technical reports and present reviews.
Support external facilities testing and proving grounds as needed.