Drimva

Astranis

Senior Thermal Engineer

$145K–$235K

San Francisco +1 · Senior · Full-time · Posted Jan 24, 2023

Location
San Francisco
San Francisco, California, United States
Experience
5+ years of experience in a thermal/mechanical role.
Education
Bachelor of Science degree in engineering or physics.
Visa sponsorship
U.S. citizenship, lawful permanent residency, or refugee/asylee status required.

About the job

Designs, analyzes, and tests thermal solutions for satellite components and spacecraft, from early architecture through thermal-vacuum verification.

What you'll do

  • Develop thermal architectures and design trades using passive and active thermal-control techniques; perform thermal analysis on satellite hardware.
  • Design, procure, and test thermal hardware, and develop integration procedures to ensure thermal design intent is met.
  • Plan and conduct component- and spacecraft-level thermal-vacuum testing; mentor junior engineers and support hiring.

What they ask for

  • Bachelor of Science degree in engineering or physics.
  • 5+ years of experience in a thermal/mechanical role.
  • Experience in thermal analysis and thermally constrained design.
  • Proficiency with mechanical CAD.

Nice to have

  • Computational thermal design experience (finite methods); not required.
  • Experience with Thermal Desktop, ANSYS Mechanical, ANSYS IcePak, electronics packaging or PCB design, high-vacuum systems, or vacuum/large-temperature-swing environments.

Pay

$145,000 — $235,000 USD (base salary)

Tools

Thermal Desktop, ANSYS Mechanical, ANSYS IcePak, printed circuit boards (PCBs)

Model-written summary · the original posting is authoritative

First seen Oct 27, 2026 · Last verified Nov 5, 2026 (UTC)