Staff Powertrain Engineer (Advanced Engineering)

Harbinger Motors • Garden Grove, CA

2d • Onsite

About The Position

Harbinger is an American commercial electric vehicle company developing an EV platform for medium-duty electric and hybrid vehicles. Based at the company’s Garden Grove headquarters, the Staff Powertrain Engineer is a domain leader and technical authority responsible for powertrain development from advanced concepts through production launch and the full product life cycle. The role requires deep expertise in Electric Drive Units (EDUs) and internal combustion engines, mastery of powertrain design, analysis, and validation, and broad working knowledge of electrical systems, controls, thermal management, packaging, and manufacturing processes. The engineer will turn broad and ambiguous challenges into practical strategies, set technical standards and project timelines, and guide cross-functional teams in delivering high-performing powertrain solutions.

Requirements

• Bachelor of Science in Mechanical Engineering or a similar field.
• At least 10 years of relevant industry experience, emphasizing mechanical design.
• Experience owning multiple powertrain systems from concept through full product life in an automotive environment.
• Demonstrated experience with Electric Drive Units, internal combustion engines, or power generation units (generator sets).
• Deep understanding of powertrain manufacturing processes.
• Proficiency in 3D CAD systems, FEA (including stress analysis and thermal simulations), and rotating-component design.
• Strong project discipline and the ability to deliver complex projects with multidisciplinary teams under tight deadlines.
• Foundational knowledge of high-voltage motor/generator design and manufacturing processes.
• Curiosity about engineering and eagerness to make a positive impact.

Nice To Haves

• Experience with CATIA 3DX, the preferred 3D CAD system.

Responsibilities

• Lead the design and development of powertrain systems such as Electric Drive Units, generator sets, and internal combustion engines.
• Break complex technical challenges into smaller components and support junior engineers in developing solutions.
• Establish technical standards and best practices for work such as FEA, design guidelines, and hand calculations.
• Support clean-sheet projects by developing novel solutions based on first principles, academic research, and industry benchmarking.
• Work with technicians and suppliers to create prototypes for validation.
• Process and communicate complex technical information to a wide audience.
• Guide cross-functional teams in delivering powertrain solutions and define functional standards and project timelines.

Benefits

• Comprehensive health, dental, and vision coverage, with 100% of employee coverage paid.
• Early-stage stock options.
• Retirement savings plans, including 401(k), HSA, and FSA.
• Generous paid time off and parental leave.
• Annual vacation bonus.
• Wellness and fertility benefits.
• Cell phone stipend.
• Complimentary meals and stocked kitchens.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior