Lead advanced powertrain engineering from concept through production and full product life. Design and develop electric drive units, generator sets, and internal combustion engines; establish engineering standards; perform FEA, design analysis, and validation; develop prototypes with technicians and suppliers; solve complex technical challenges; and guide multidisciplinary teams while mentoring junior engineers.
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
Based out of our Garden Grove headquarters, the Staff Powertrain Engineer serves as a domain leader and technical authority responsible for driving powertrain development from advanced concepts through production launch and full product life. They will have deep knowledge in Electric Drive Units (EDUs) and Internal Combustion (IC) engines. This role requires complete mastery of powertrain engineering disciplines (design, analysis, and validation) alongside broad working knowledge of low-voltage/high-voltage electrical systems, controls, thermal management, packaging, and manufacturing processes. As a technical lead, you will break down broad, ambiguous powertrain challenges into implementable strategies, define functional standards and project timelines, and guide cross-functional teams to deliver high-performing powertrain solutions.
What You’ll Do:
- Lead the design and development of key Powertrain systems such as Electric Drive Units (EDUs) or Generator Sets (Gen-sets), and Internal Combustion Engines (ICE)
- Break down complex technical challenges into smaller components and support junior engineers in delivering solutions.
- Set standards and create best practices for others to follow in technical tasks (FEA, design guidelines, hand calculations etc)
- Support developing clean-sheet projects, creating novel solutions from first principals, academic research, and industry benchmarking
- Work closely with technicians and suppliers to create prototypes for validations
- Take in, process, and communicate complex technical information to a wide audience.
Who You Are:
- Bachelor of Science in Mechanical Engineering (or similar) with a minimum of 10 years of relevant industry experience with emphasis on mechanical design.
- Curiosity for engineering and eagerness to make a positive impact.
- Strong project discipline without creating unnecessary bureaucracy.
- Foundational knowledge of HV motor/generator design and manufacturing processes.
- A design engineer who has owned multiple powertrain systems from concept through full life in an automotive environment.
- Demonstrated experience working with Electric Drive Units (EDUs), Internal Combustion (IC) engines, or Power Generation units (Gen-sets).
- Deep understanding of powertrain manufacturing processes.
- Proficiency in 3D CAD systems (CATIA 3DX preferred), FEA (stress analysis, thermal simulations, etc.) and the design of rotating components.
- A clear communicator, who has a proven record of delivering complex projects with multi-disciplinary teams under tight deadline pressure.
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
$170,000—$200,000 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.
Harbinger Garden Grove, California, USA Office
12821 Knott St, Garden Grove, CA, United States, 92841
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What you need to know about the Los Angeles Tech Scene
Los Angeles is a global leader in entertainment, so it’s no surprise that many of the biggest players in streaming, digital media and game development call the city home. But the city boasts plenty of non-entertainment innovation as well, with tech companies spanning verticals like AI, fintech, e-commerce and biotech. With major universities like Caltech, UCLA, USC and the nearby UC Irvine, the city has a steady supply of top-flight tech and engineering talent — not counting the graduates flocking to Los Angeles from across the world to enjoy its beaches, culture and year-round temperate climate.
Key Facts About Los Angeles Tech
- Number of Tech Workers: 375,800; 5.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Snap, Netflix, SpaceX, Disney, Google
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- Funding Landscape: $11.6 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Strong Ventures, Fifth Wall, Upfront Ventures, Mucker Capital, Kittyhawk Ventures
- Research Centers and Universities: California Institute of Technology, UCLA, University of Southern California, UC Irvine, Pepperdine, California Institute for Immunology and Immunotherapy, Center for Quantum Science and Engineering
