Propulsion Thermal Engineer Jobs in San Francisco, CA

…help design, analyze, and validate propulsion hardware, with mentorship from senior engineers along the way.

Prior propulsion experience is a plus but not required. We’ll teach you the engine; we’re hiring for design judgment and hands-on rigor.

Thermal Engineer As an Astranis Thermal Engineer

Propulsion Manufacturing EngineerAs a Propulsion

…role You'll be our first thermal engineer and the person responsible for the thermal architecture of Spark-1, a 150 kg reentry

Propulsion Engineer Intern (Summer

Propulsion Engineer Intern (Winter 2027) Internships

Senior Propulsion Manufacturing Engineer As a Senior Propulsion

spacecraft thermal control, thermal analysis, or thermal testing • Familiarity with thermal analysis tools such as Thermal Desktop, FEMAP/Simcenter, ANSYS

As an Astranis Senior Thermal Engineer, you will design, evaluate and test thermal solutions ranging from electronic

Thermal Engineer Associate (Winter 2027) Associate Engineer positions

…fast, stay pragmatic, and let engineering excellence speak louder than hierarchy.

Propulsion Test Intern (Summer 2027) Role As our Propulsion Test Engineering Intern, you will oversee

Prior propulsion experience is a plus but not required. We’ll teach you the engine; we’re hiring for design judgment and hands-on rigor.

Thermal Engineer Associate (Summer 2027) Associate Engineer positions