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Sr. Powertrain Test Engineer

Harbinger Motors

Job Location:

Garden Grove, CA - USA

Monthly Salary: $ 140000 - 160000

Posted: 7 August 2026 (12 hours ago)

Application Deadline: 4 November 2026

Vacancies: 1 Vacancy

Job Summary

About Harbinger

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbingers 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.

Job Overview

Based out of our Garden Grove headquarters the Senior Powertrain Test Engineer is responsible for execution of system level Powertrain testing as part of Harbingers development and validation process. They will collaborate closely with fellow test engineers to execute comprehensive system-level testing drive innovation in our test facility capabilities and partner with stakeholders to develop robust testing methodologies. The role will have a key focus on the electrical mechanical and software integration of Powertrain systems and test rigs building out robust instrumentation and data acquisition systems and development of automated test software focusing on repeatability efficiency and safety.

What Youll Do:

Lead and execute component and system-level development and validation testing of electric motors and drive units within the lab.
Maximize testing efficiency and data integrity through application of advanced methodologies software development and test automation.
Design and construct electrical control panels (including power distribution grounding fuses relays terminal blocks and safety interlocks) for automated test systems.
Develop and maintain automated test software using LabVIEW or other text based programming environments for control of test hardware (e.g. DAQs power supplies relays sensors).
Leverage data analysis and advanced testing methodologies to reproduce and characterize failures for rapid issue resolution.
Design and architect electric motor and drive unit dynamometers and HIL systems for development testing of advanced concept projects.
Document system designs schematics software logic and test procedures for compliance and knowledge transfer.

Who You Are:

Bachelor of Science in Electrical Engineering (or similar) with a minimum of 7 years of relevant industry experience with emphasis on validation testing and system integration (mechanical electrical and software).
Demonstrated experience in working with NI hardware (PXIe-RT cRIO and cDAQ) and coding with real-time and FPGA modules.
Deep understanding of dynamometer operating principles from a system level with the ability to conceptualize design and specify comprehensive test cell layouts for high-voltage EV powertrains.
Proficiency in software development and scripting with experience in automation.
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).
Fundamental understanding of the working principles of electric motors and inverters.
Familiarity with electronics test equipment such as power supplies electronic loads oscilloscope power analyzers data acquisition and measurement sensors

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

$140000 - $160000 USD

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

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) Harbingers 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.

Required Experience:

Senior IC

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