Intern, Powertrain Engineering

Harbinger

Pay

Competitive

Shift

Standard

Type

Full Time

Posted Feb 5, 2026

REINDUSTRIALIZE

Forge components for our electric powertrain on the shop floor in Garden Grove, CA. Assemble intricate parts with precision tolerances, weld critical components ensuring a flawless fit, and program 6-axis robots to automate high-torque spec tasks. Wire circuit boards and test assemblies on the cutting-edge EV assembly line. This is where state-of-the-art electric powertrains get built.

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About This Role

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.

Internship at a Glance:

Location: Immerse yourself in our innovative culture! This role requires a commitment of 4 days in-office per week at our facility in Garden Grove, CA as well as full-time hours (40 hours a week).
Duration: 10-11 weeks (May 26 to August 7 OR June 22 to August 28)
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 Overview

Working in the powertrain department you will be working on the design and development of Harbinger’s future Electric Drive Unit (EDU) within the Advanced Engineering team. The EDU has been designed and developed wholly in-house by Harbinger. The role will include the design and development testing of new ideas and product features. Our interns are given a project (or projects) to own and deliver during their time with us. We are a fast paced team and there is plenty of opportunity to learn.

What You’ll Do:

Design and analysis components for future EDU product
Conduct development tests to prove out new features and components
Investigation of development issues
Design improvements and adaptation for manufacturing processes

Who You Are:

Undergraduate for Mechanical Engineering or similar applicable degree
Work authorized in the United States OR ability to obtain J-1/F-1 visa
Working knowledge of CAD design software
Good fundamental knowledge of engineering principals
Ability to learn fast and be adaptable to new challenges

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.

About Harbinger

Commercial vehicle electrification

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