Thermal Engineer, Analysis jobs in United States
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Harbinger · 1 week ago

Thermal Engineer, Analysis

positionGarden Grove, CA
timeFull-time
remoteOnsite
senioritySenior Level
money$140K/yr - $160K/yr
date5+ years exp

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. The Thermal Engineering team is looking for a seasoned thermal analysis engineer to support the future of medium duty trucks, focusing on developing thermal simulations for electric motors, batteries, and power electronics.

AutomotiveElectric VehicleManufacturing
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Growth Opportunities
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H1B Sponsor Likelynote

Responsibilities

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

Qualification

Thermal analysisSTAR-CCM+HPC clustersMulti-phase simulations1D analysis toolsHands-on testingProblem-solvingCollaborationCommunication

Required

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

Preferred

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

Benefits

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

Company

Harbinger

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Glassdoor4.3
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Harbinger is a commercial electric vehicle company that focuses on chassis architecture design.
dateFounded in 2021
location
Garden Grove, California, USA
people-size201-500 employees
web-link
https://harbingermotors.com

H1B Sponsorship

Harbinger has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (37)
2024 (24)
2023 (4)

Funding

Current Stage
Growth Stage
Total Funding
$362.7M
Key Investors
Greycroft
2025-11-13Series C· $160M
2025-01-14Series B· $100M
2024-05-21Series Unknown· $13M

Leadership Team

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John Harris
CoFounder and CEO
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Phillip Weicker
Co-Founder and Chief Technology Officer
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Recent News

GlobeNewswire
Harbinger Electric Step Vans and Cab Chassis Vehicles Now Available on Comvoy®, the National Commercial Vehicle Marketplace
2025-12-16
Sourcery
CEO Bezos, Alex Karp, Elad Gil
2025-11-21
Yahoo Finance
FedEx Fuels Harbinger’s $160M Raise While Einride Goes Public in New Wave of Electric Trucking Bets
2025-11-19
Company data provided by crunchbase