Powertrain 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.

Based out of our Garden Grove headquarters, the Powertrain Test Engineer is responsible for the development, maintenance, and improvement of the Powertrain test systems. You will develop in‑house test benches for our electric drive unit and components to be used for current product validation, new product development, and failure reproduction. Ideal candidates will be able to create and integrate automation solutions for testing and data acquisition.

• Design and deploy electromechanical test benches for electric drive units and their components through software and hands‑on approaches.
• Develop and maintain test standards, design and develop test equipment, or procure and handle purchased test capital equipment to support test readiness.
• Leverage data analysis and existing tools to reproduce and characterize failures.
• Design and architect electric motor and electric drive unit dynamo meters and HIL systems.
• Support validation of automated test systems.

• 7+ years of relevant industry experience with emphasis on hardware validation and integration testing
• Experience working with NI hardware (PXIe-RT, cRIO, and cDAQ) and coding with real‑time and FPGA modules
• Ability to use and write drivers for NI‑XNET (CAN and LIN) and NI‑VISA Serial (RS232, RS485) and TCP/IP (Modbus, SCPI, FTP and TCP/IP)
• Experience in test data analysis and setting up data processing streams in Matlab, Python, or similar programming.
• Familiarity with electronics test equipment such as power supplies, electronic loads, oscilloscope, power analyzers, data acquisition and measurement sensors.
• Experience with 3D CAD modeling software.

• NI LabVIEW certification: CLD minimum. CLA preferred.
• 5+ years experience in automotive Powertrain and/or electric motor development and validation.
• Solid understanding of product development, DFMEA, DVP&R, and product requirements.

• 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

$100,000—$140,000 USD

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 e‑mail us at

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…