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Thermal Engineer, Analysis

United States, Garden Grove 140000.00 - 160000.00 USD / Year · Job Posted January 05, 2026
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Job Description

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-funcational teams.

Job Responsibility

  • 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

Requirements

  • 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

Nice to have

  • 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

What we offer

  • 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

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