Power Electronics Technician Hardware

Power Electronics Technician

Location:

Garden Grove, California, United States

Compensation: $30 - $40 USD / hour

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger's best‑in‑class team of EV, battery, and drivetrain experts has pooled their deep experience to bring a first‑of‑its‑kind EV platform to support the growing demand for medium‑duty EVs and hybrids.

As a member of the Electrical Engineering team, this role will focus on validation, testing, and design of high‑voltage electronics components such as inverters, on‑board chargers, and energy storage products. The role offers the unique opportunity to be part of a design‑to‑production team culture.

• Component level and device level testing of 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 PCBAs, providing inputs for design for manufacturing
• Environmental testing, including shock, vibration testing, and data analysis
• Instrument high‑voltage test setups using low‑inductance measurement practices
• Component level and vehicle level testing for electromagnetic compatibility (EMC)
• Dyno testing, troubleshooting, and data analysis for inverter testing with drive units
• Support design releases and modifications based on vendor feedback
• Set up test benches and support board‑level, component‑level, and vehicle‑level bring‑up at in‑house and external facilities
• Collaborate with cross‑functional teams to troubleshoot and provide fixes for electrical issues as they arise
• Engage with suppliers and sourcing to identify components for sourcing and procurement
• Generate technical reports and present at critical review meetings
• Support testing at external facilities and vehicle‑level testing at proving grounds as needed

• Highly motivated to drive results and to grow in the career of electrical engineering
• Strong hands‑on capability for testing and troubleshooting complex electrical components and systems
• 5+ years of hands‑on experience in electrical engineering in the automotive, robotics, aerospace, or similar fields
• Experience with troubleshooting EMI related issues is a strong plus
• Experience with PCBs is a strong plus
• Experience and familiarity with Altium Designer or similar schematics capture and PCB layout tools is a strong plus
• Embedded firmware development and programming experience is a strong plus
• Experience with circuit simulation software such as LTspice
• Experience with software and digital communication specifications and requirements is a plus
• Strong problem‑solving skills with the ability to effectively communicate and collaborate within a dynamic team environment

Equal Opportunity:
Harbinger is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law.

Harbinger is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at