Powertrain Engineer; Advanced Engineering

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.

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.

• 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 validation.s
• Take in, process, and communicate complex technical information to a wide audience.

• Bachelor of Science in Mechanical Engineering (or similar) with a minimum of 6 years of relevant industry experience with emphasis on mechanical design.
• A design engineer who has owned multiple powertrain systems from concept through full life in an automotive environment.
• Demonstrated experience in working with Electric Drive Units (EDUs) and Internal Combustion (IC) engines,
• Deep understanding of powertrain manufacturing processes.
• Proficiency in 3D CAD systems (CATIA 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.

• 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

$170,000 — $200,000 USD

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.

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