Electrical Test Engineer

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 3+ 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
• 3+ 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

Key Benefits & Perks:

• 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

California Pay Range $110,000 — $130,000 USD Equal Opportunity Candidate Data Privacy Harbinger may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Harbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger’s service providers, including providers of background checks, staffing services, and cloud services. Harbinger may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, the United Kingdom, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions. Please note that we are currently not accepting applications from third party application services. Any unsolicited resumes or candidate profiles submitted in response to our job posting shall be considered the property of Harbinger and are not subject to payment of referral or placement fees if any such candidate is later hired by Harbinger unless you have a signed written agreement in place with us which covers the applicable job posting.