Apex Space
Thermal Engineer (Senior)
$150K–$190K
Los Angeles · Senior · Full-time · Posted Nov 3, 2026
- Experience
- 5+ years of experience in thermal engineering or analysis.
- Education
- Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
- Visa sponsorship
- Applicants must qualify as a U.S. Person or be able to obtain required U.S. export authorizations.
About the job
Own spacecraft thermal design and performance from concept through flight, including modeling, hardware integration, testing, and on-orbit support.
What you'll do
- Lead payload thermal design, analysis, integration, and customer thermal interfaces across the mission lifecycle.
- Develop spacecraft- and payload-level thermal models and design passive and active thermal-control systems.
- Plan and support thermal reviews, hardware integration and testing, and correlation of test or flight data with models.
What they ask for
- 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.
Nice to have
- Experience with spacecraft or aerospace thermal systems, including thermal control system design.
- Proficiency with Ansys Thermal Desktop; experience with thermal vacuum testing, model correlation, or Siemens NX and Teamcenter.
Pay
$150K – $190K USD (base salary)
Tools
Ansys Thermal Desktop, Siemens NX, Teamcenter
Model-written summary · the original posting is authoritative