Thermal Engineer, Analysis
Listed on 2026-07-01
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Engineering
Electrical Engineering, Systems Engineer, Test Engineer
Thermal Engineer, Analysis
Garden Grove, CA
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.
The Thermal Engineering team is looking for a seasoned thermal analysis engineer to support the future of medium duty trucks. The candidate will be responsible for developing thermal simulations to support the design and development of electric motors, batteries, power electronics and more. You will also be expected to work with test engineers to validate your simulation results and provide feedback to the design team to improve the products performance and reliability.
Applicants should thrive in a fast-paced startup environment and be able to collaborate well with cross-functional teams.
- Develop and document thermal simulations for various vehicle components in a 3D simulation environment.
- Assess the thermal performance of vehicle components under both steady-state and transient conditions, providing performance recommendations to design engineers.
- Document and post-process simulation results in an organized manner.
- Develop test plans and support the test team in gathering data from physical systems.
- Iterate simulation models to achieve strong correlation and build confidence in results.
- Use simulation models and tools to identify root causes of issues observed during testing and provide feedback to improve reliability.
- Hold a Bachelor's degree or an equivalent relevant educational credential.
- Have 5+ years of experience in thermal and/or fluid analysis.
- Demonstrate strong proficiency in STAR-CCM+ or similar analysis tools.
- Possess the ability to run large simulation models on HPC clusters.
- Communicate simulation results effectively in both oral and written formats.
- Exhibit strong problem-solving skills and the ability to collaborate in a dynamic team environment.
- Bring hands-on experience in testing automotive components.
- Experience with multi-phase simulations (e.g., VoF or Mixture Multi-Phase) is a significant plus.
- Familiarity with 1D analysis tools is considered a bonus.
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
$140,000 - $160,000 USD
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