Thermal Engineer, Analysis

Harbinger; Garden Grove (CA); On-site; USD 140,000 - 160,000; Full time

Benefits offered by this job

Comprehensive Health, Dental & Vision coverage

Early-stage Stock Options

Robust Retirement Savings

Generous Paid Time Off

Annual Vacation Bonus

Wellness & Fertility Benefits

Cell Phone Stipend

Complimentary Meals

Job summary

An innovative electric vehicle company in California is seeking a seasoned thermal analysis engineer. You'll develop thermal simulations for vehicle components, assess performance under various conditions, and work closely with cross-functional teams to enhance product reliability. The ideal candidate will have at least 5 years of relevant experience and a Bachelor's degree, demonstrating strong proficiency in STAR-CCM+ and effective communication skills. This role offers a competitive salary and a range of benefits.

Qualifications

• 5+ years of experience in thermal and/or fluid analysis.
• Ability to run large simulation models on HPC clusters.
• Hands-on experience in testing automotive components.

Responsibilities

• Develop and document thermal simulations for vehicle components.
• Assess thermal performance under various conditions.
• Document simulation results in an organized manner.

Skills

Thermal analysis

Fluid analysis

STAR-CCM+

Problem-solving

Communication skills

Education

Bachelor's degree or equivalent

Tools

HPC clusters

1D analysis tools

Job description

About Harbinger

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.

Thermal Engineering Team Opportunity

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 product’s performance and reliability. Applicants should thrive in a fast‑paced startup environment and be able to collaborate well with cross‑functional teams.

What You Will Do

• 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.

Who You Are

• 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

Equal Opportunity

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.

Harbinger is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at [e-mail].

Candidate Data Privacy

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