Battery Test Engineer
Company websiteharbingermotors.com (Harbinger Motors Inc, opens in new tab)
Base salary $120K to $140K
Employer-published annual base salary, USD. Advertised base range in Garden Grove, CA
You apply on the employer's own site. Six Figure Work does not handle applications.
- LocationGarden Grove, CA
- WorkplaceWorkplace not stated
- Status at last checkSource accepting applications when checked
- Last checked (1 h ago) · observed since
About this job
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.
Job Overview
The Harbinger battery team is looking to add a battery test engineer to characterize battery pack electrical and thermal performance. This key team member will take ownership of the validation of the Auxiliary Power System (APS) product. They will work closely with design engineers, quality engineers, and manufacturing engineers to ensure design changes are thoroughly tested before being released to production. The test engineer will be responsible for writing procedures, developing test software, purchasing test equipment, and building test stations capable of defining the limits of our battery pack.
Responsibilities:
- Work closely with other battery test engineers, design engineers, BMS engineers, and system engineers to characterize and validate battery and system behavior.
- Develop test software for executing and automating test cases using LabVIEW and/or CANalyzer.
- Participate in the development of BMS software to ensure performance targets are met. Provide data to defend or refute change proposals.
- Specify requirements for Design Validation Plan (DVP) test procedures, including instrumentation, data acquisition, and post processing methods.
- Author test cases to confirm performance with respect to defined requirements.
- Document test results well and support issue resolution.
- Prioritize safety and organization in the lab.
Qualifications:
- Bachelor’s/Master’s degree in Engineering.
- Previous hands-on experience in a lab is required. The candidate should be comfortable working around high-voltage and using hand tools, fabricating wiring projects, and debugging test setups.
- Hands-on experience with instrumentation, including thermocouples, pressure transducers, shunts, and oscilloscopes. Ability to use these sensors to obtain the required data based on component design requirement.
- Working knowledge of batteries, both AC and DC fundamentals, and power conversion.
- Experience with coding languages and applications for data analysis, such as Python or Matlab.
- Good technical writing skills for documenting test reports.
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
$120,000—$140,000 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 [email protected].
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.
Source: Harbinger Motors Inc on Greenhouse · View original posting (opens in new tab)
Pay in context
This role's base floor ($120,000) is above 18% of the 2,088 Engineering (non-software) roles in California listed on this site; 56 others list the same floor. Their median floor is $146,200; the middle half runs from $124,943 to $173,250.
Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 7, 2026.
This listingBattery Test Engineer$120K to $140K
Sr. Reliability Test Engineer$120K to $140K
Product Line Program Manager$120K to $160K
Supplier Quality Engineer, High Voltage Systems$120K to $180K
Supplier Quality Engineer, Safety Systems$120K to $180K
IT Enterprise Applications Administrator$120K to $130K
Program Manager, Vehicle Manufacturing$120K to $150K
Chart as a table
| Role | Published base |
|---|---|
| Battery Test Engineer (this listing) | $120K - $140K |
| Sr. Reliability Test Engineer | $120K - $140K |
| Product Line Program Manager | $120K - $160K |
| Supplier Quality Engineer, High Voltage Systems | $120K - $180K |
| Supplier Quality Engineer, Safety Systems | $120K - $180K |
| IT Enterprise Applications Administrator | $120K - $130K |
| Program Manager, Vehicle Manufacturing | $120K - $150K |
Observed changes
- First observed on the employer's board
- Began meeting the published-salary criteria
- Observed since
- Employer-stated posting date
- 2026-09-15
Where this pay comes from
Location as the employer wrote it: Garden Grove, CA
$120,000—$140,000 USD
- Method
- Employer text, read with fixed rules and re-verified
- Checked
- Rule set
- us-base-v2
The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.
