About Harbinger
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.
We are seeking a hands-on Electrical Test Engineer with 5+ years of experience testing power electronics devices. In this key role, you will collaborate closely with mechanical, electrical, and software design teams to lead prototype bring-up, Design Verification (DV) and Production Verification (PV) testing, and long-term reliability programs at the component, subsystem, and vehicle levels.
What You'll Do:
- Lead hands-on bench bring-up, commissioning, and validation testing for power electronics, PCBAs, and high-voltage (HV) subsystems.
- Develop, execute, and maintain Design Verification Plans & Reports (DVP&R) to ensure products meet performance, durability, and target life requirements.
- Work cross-functionally to design and build custom in-house test fixtures, automation setups, and test equipment required for complex validation.
- Lead root-cause analysis (RCA) for bench/field test failures, participate in DFMEA sessions, and perform reliability calculations to refine test profiles.
- Document structured test findings, report outcomes to cross-functional stakeholders, and interface with suppliers to drive product quality improvements.
- Train test technicians on standard operating procedures for complex test rigs and ensure all testing adheres strictly to high-voltage safety protocols.
- Support offsite testing facilities as needed (<30% travel).
Who You Are:
- Bachelor’s/Master’s degree in Electrical Engineering
- 5+ years of industry experience in electrical design/testing
- Experience with performing reliability calculations and developing test profiles
- Experience with hands-on testing of power electronics devices, PCBAs, or battery systems
- Experience with tools like CANalyzer, CANape, CANoe, NI LabVIEW, etc.
- Experience with coding languages for data analysis, such as Python or Matlab
- Great communication skills - written & verbal
Preferred Qualifications:
- Familiarity with EV powertrain architecture and associated HV devices, such as DCDC converters, on-board chargers, junction boxes, inverters, battery, etc.
- Experience with data analytics and/or test automation
- Knowledge of automotive and industrial standard tests
- Comprehensive Health, Dental & Vision (HDV) – 100% employee covered
- Early-stage Stock Options
- Robust Retirement Savings (401k, HSA, FSA)
- Generous Paid Time Off (PTO) & Parental Leave
- Annual Vacation Bonus
- Wellness & Fertility Benefits
- Cell Phone Stipend
- Complimentary Meals & Stocked Kitchens
Similar Jobs
What you need to know about the San Francisco Tech Scene
Key Facts About San Francisco Tech
- Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Google, Apple, Salesforce, Meta
- Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
- Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
- Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine


