Senior Thermal Engineer

Apex Technology, Inc.•Los Angeles, CA

1d•$150,000 - $190,000•Hybrid

About The Position

Apex is seeking a Senior Thermal Engineer to own the thermal design and performance of our spacecraft from concept through flight. In this role, you’ll solve complex thermal challenges across the vehicle, develop and validate spacecraft level thermal models, and directly influence hardware design and mission performance. You’ll work hands-on with flight hardware and partner across engineering teams to take thermal systems from early design through integration, test, launch, and on orbit operations.

Requirements

U.S. Person status is required as this position requires access to export-controlled data.
Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
5+ years of experience in thermal engineering or analysis.
Experience with thermal modeling and analysis tools.
Strong understanding of heat transfer and thermal engineering fundamentals.
Strong analytical and problem-solving skills with the ability to work in a fast-paced environment.

Nice To Haves

Experience with spacecraft or aerospace thermal systems.
Proficiency with Ansys Thermal Desktop.
Experience designing spacecraft thermal control systems.
Experience with thermal vacuum testing, instrumentation, and data acquisition.
Experience correlating thermal models with test or flight data.
Familiarity with spacecraft thermal margin standards and requirements.
Working knowledge of two-phase thermal control systems.
Experience with Siemens NX and Teamcenter.

Responsibilities

Develop and maintain spacecraft-level thermal models using Ansys Thermal Desktop.
Perform thermal analyses to evaluate spacecraft performance across mission environments.
Develop thermal control solutions and drive thermal design decisions across spacecraft systems.
Plan and execute thermal subsystem milestone reviews, including SRR, PDR, and CDR.
Support thermal flight hardware integration, build, and test.
Design, plan, and execute thermal vacuum testing at the component and spacecraft level.
Correlate test and flight data to thermal models to improve model accuracy and performance predictions.
Collaborate with mechanical, systems, avionics, and other engineering teams to meet spacecraft thermal requirements.

Benefits

Receive equity in Apex, letting you benefit from the work you create
100% company-paid medical, dental, and vision for you and your dependents
$100k life insurance at no cost
15 days vacation, growing to 20+ days annually
10 paid holidays
Competitive 401(k) plan with generous matching - 100% match on first 3%, 50% on next 2%
8 weeks paid parental leave
Childcare reimbursement up to $350/day for work-related travel
Daily catered lunch
Unlimited snacks
Monthly office socials
Pickleball tournaments
Run club
Gatherings for you and your family
Your dream desk setup and all the tools you need to be your most productive self