Intern, Battery Test

Harbinger Motors Inc. · Garden Grove, CA

  • Internship
  • Internship
  • Posted 2026-10-11
  • Confirmed live on 13 October 2026

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Job description

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:

• Location: Immerse yourself in our innovative culture! This role requires a commitment of 4-5 days in-office per week at our facility in Garden Grove, CA as well as full-time hours (40 hours a week).

• Duration: 8 weeks for quarter or 15 weeks for semester (January 11 to April 30 OR January 11 to March 12)

• Relocation Support: A $1,000 relocation stipend is available for interns currently residing more than 50 miles from Garden Grove, CA.

• Compensation: Earn an hourly rate of $25-35 USD per hour.

Job Summary:

Harbinger Motors is a VC funded early-stage electric vehicle startup based in Garden Grove, California focused on the commercial space. We are currently seeking an ambitious engineering student to join our HV battery testing team. As an intern, you will have various opportunities to contribute to the characterization and validation of Harbinger’s industry-leading battery technology. The primary responsibilities for this position will be to set up and conduct tests on the HV battery and its components. The role also offers the opportunity to build valuable experience at a fast paced, high growth startup during a critical early product development stage.

What You'll Do:

• Support design engineering and testing functions

• Develop and execute test plans, including fixture design, test method development, data logging, and reporting

• Assist test engineers with a variety of cell-level, module-level, and pack-level tests

• Write test plans

• Support data analysis

What You'll Bring:

• Enrolled in Bachelor’s or Master’s degree program in Electrical, Chemical, or Mechanical Engineering

• Previous internship experience required

• Comfortable using hand tools, fabricating simple wiring projects, and debugging low-voltage test setups

• Ability to write Python scripts to facilitate data analysis

• Prior experience with instrumentation and data acquisition sensors preferred

• Prior experience in automotive projects is preferred, but not required

• Collegiate teams such as Formula SAE, Baja SAE, EcoCAR, Supermileage, etc.

• Hands-on experience working on vehicles or batteries

• Work authorized in the United States OR ability to obtain J-1/F-1 visa

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

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