Drimva

Relativity Space

Thermal Engineer I

$90K–$136K

Long Beach, California, United States · Full-time · Posted Oct 29, 2026

Experience
Industry experience via internships or university collaborations; no number of years stated.
Education
Bachelor's degree in Engineering or related field.

About the job

Develop and analyze thermal systems for launch vehicles, supporting their design, testing, qualification, and operation.

What you'll do

  • Design and size thermal systems, including insulation, heaters, thermal protection, and environmental conditioning, with peer teams.
  • Build, execute, and validate thermal analyses; support tool development and automation.
  • Develop and conduct thermal tests, and support vehicle and engine thermal-system development, stage testing, and flight operations.

What they ask for

  • Bachelor's degree in Engineering or related field.
  • Industry experience through internships or university collaborations.
  • Strong fundamentals in heat transfer and thermal analysis.
  • Hands-on test planning and testing experience, including instrumentation and data analysis; experience with an engineering scripting language such as MATLAB or Python.

Nice to have

  • Graduate degree in engineering or related field.
  • Experience with integrated vehicle design, thermal/fluids analysis tools, cryogenic rocket systems, or flight heating and thermal protection.

Pay

$90,000 — $136,000 USD (base salary)

Tools

MATLAB, Python, Sinda/Fluint/Thermal Desktop

Model-written summary · the original posting is authoritative

First seen Oct 30, 2026 · Last verified Nov 5, 2026 (UTC)