Intern, Power Electronics Engineering

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 have pooled their deep experience to bring a first‑of‑its‑kind EV platform to support the growing demand for medium‑duty EVs and Hybrids. Harbinger:
Familiar Form, Revolutionary Foundation.

• Location
  :
  Immerse yourself in our innovative culture! This role requires a commitment of 4 days in‑office per week at our facility in Garden Grove, CA as well as full‑time hours (40 hours a week).
• Duration
  : 10‑11 weeks (May 26 to August 7 OR June 22 to August 28)
• Relocation Support
  : A $1,000 relocation stipend is available for interns currently residing more than 50 miles from Garden Grove, CA.
• Compensation
  :
  Earn an hourly rate of $25‑35 USD per hour.

• Sizing and design of power electronics components such as inverter, on‑board battery chargers, DC‑DC converter for commercial trucks.
• Hands‑on testing, bring‑up and validation of power converters / motor controllers.
• Mixed‑signal PCB design based on IPC standards
• Worst case circuit analysis on critical areas of the overall system.
• Circuit simulation using LTspice and PLECS.
• Collaborate with mechanical designers to integrate electrical devices in product designs
• Write technical reports and present at design reviews

• Thorough understanding of analog electronics circuits, digital electronic circuits, power supply design, magnetics design and control theory
• Prior coursework and experience with Power Electronics and high voltage systems.
• Working knowledge of High voltage systems in automotive.
• Experience in hands‑on electrical fabrication and/or troubleshooting
• Experience in basic PCB layout
• Experience in setup and use of data acquisition systems
• Work authorized in the United States OR ability to obtain J‑1/F‑1 visa
• Currently registered in a Bachelor’s, Master’s or PhD program focused on Power electronics.

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.