Real job — pulled straight from Harbinger’s careers page · Verified October 14, 2026 · No reposts.
Job description
Harbinger is hiring a Battery Test Intern — a internship, based in Garden Grove, CA role ($52k–$73k). Apply directly on Harbinger's careers page below.
Intern, Battery Test
Location: Garden Grove, CA
Department: Internships
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
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Frequently asked questions
What is the salary for Battery Test Intern at Harbinger?
The estimated salary range for Battery Test Intern at Harbinger is $52,000 - $73,000 USD per year.
What skills are required for Battery Test Intern at Harbinger?
The required skills for Battery Test Intern at Harbinger include: Python, Electrical Engineering, Mechanical Engineering.
What is the seniority level for Battery Test Intern at Harbinger?
Battery Test Intern at Harbinger is a Internship level position.
How do I apply for Battery Test Intern at Harbinger?
You can view the full description and apply for Battery Test Intern at Harbinger on EchoJobs: https://echojobs.io/job/harbinger-intern-battery-test-v22dx.