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Advanced Manufacturing Engineer, HV Test

Harbinger Motors

Job Location:

Garden Grove, CA - USA

Monthly Salary: $ 120000 - 140000

Posted: 21 August 2026 (17 days ago)

Application Deadline: 19 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.

We are seeking a highly skilledAdvanced Manufacturing Engineer HV Testto lead the development deployment and scaling of High Voltage (HV) test systems for our proprietary battery this role you will own the end-to-end testing strategy for our battery production lines ensuring that every pack leaving our facility is safe reliable and performs to our rigorous standards.

You will bridge the gap between product design and volume manufacturing championing Design for Test (DFT) principles and building automated scalable test architectures (including HiPot End-of-Line and functional cycling) for a high-voltage production environment.

What You Will Do

System Design & Deployment:Design specify and commission high-voltage test equipment for battery module and pack manufacturing including End-of-Line (EOL) testers HiPot/isolation stations and charge/discharge cyclers.
Test Automation:Develop robust test scripts and automation architecture to integrate HV test equipment with our Manufacturing Execution System (MES) for seamless data collection and traceability.
Design for Test (DFT):Collaborate closely with the Battery Hardware and Firmware engineering teams during the product design phase to ensure new battery architectures are optimized for manufacturability and scalable testing.
Safety Leadership:Establish and enforce rigorous HV safety protocols (NFPA 70E compliance) for the manufacturing floor including the design of physical safety interlocks LOTO procedures and PPE standards for test cells.
Root Cause Analysis:Serve as the first line of escalation for complex test failures on the manufacturing line. Lead cross-functional teardowns and root-cause analyses on non-conforming battery packs.
Process Scaling:Drive continuous improvement initiatives to reduce test cycle times increase equipment overall equipment effectiveness (OEE) and transition processes from low-volume prototype builds to high-volume production.
Vendor Management:Evaluate select and manage relationships with external test equipment integrators and vendors.

What You Need (Minimum Qualifications)

Education:Bachelors degree in Electrical Engineering Mechatronics Manufacturing Engineering or a related technical discipline.
Experience:4 years of engineering experience in a manufacturing environment with at least 2 years specifically dedicated toHigh Voltage (HV) battery testing(400V800V systems).
Technical Chops:Hands-on experience configuring and troubleshooting industrial test hardware (e.g. Chroma National Instruments Keysight Bitrode or similar cyclers/DAQs).
Software/Programming:Proficiency in developing test automation scripts using Python LabVIEW C or similar languages.
Safety Expertise:Deep understanding of high-voltage electrical safety standards and risk mitigation in a production environment.
Communication:Excellent ability to distill complex electrical data into actionable insights for cross-functional teams.

Bonus Points (Preferred Qualifications)

Direct experience scaling a new EV battery production line from R&D into volume manufacturing.
Deep knowledge of Battery Management Systems (BMS) CAN bus communication (Vector CANalyzer/PCAN) and cell balancing logic.
Familiarity with SQL or similar database querying for analyzing historical manufacturing test data.
Experience integrating test stations with an MES (e.g. Ignition Plex or custom-built solutions).

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

$120000 - $140000 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:

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