Thermal Engineer, Analysis

Full Timemid

Garden Grove, CAPosted 8 weeks ago

Role Overview

Harbingermotors is hiring a mid-level Thermal Engineer, Analysis. This is a full-time role in Garden Grove. Full responsibilities, required qualifications, and the apply link are listed in the description below.

Resume Keywords to Include

Make sure these keywords appear in your resume to improve ATS scoring

ORBenefitsPrivacyHarbingerAmericanEVEVsHybrids

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.

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.

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 info@harbingermotors.com.

Candidate Data Privacy

Harbinger may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Harbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law.

Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger’s service providers, including providers of background checks, staffing services, and cloud services.

Harbinger may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, the United Kingdom, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions.

Please note that we are currently not accepting applications from third party application services. Any unsolicited resumes or candidate profiles submitted in response to our job posting shall be considered the property of Harbinger and are not subject to payment of referral or placement fees if any such candidate is later hired by Harbinger unless you have a signed written agreement in place with us which covers the applicable job posting.

About Harbingermotors

Harbingermotors

On-site

65 other open roles at Harbingermotors on TryApplyNow.

View all 66 roles at Harbingermotors

Frequently Asked Questions

How do I apply for the Thermal Engineer, Analysis position at Harbingermotors?

Use the Apply button above to submit your application directly to Harbingermotors. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Thermal Engineer, Analysis position at Harbingermotors located?

This position is based in Garden Grove. Harbingermotors has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Thermal Engineer, Analysis at Harbingermotors earn?

Harbingermotors has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Thermal Engineer, Analysis role at Harbingermotors posted?

This role was posted on May 14, 2026 (57 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.