"thermal engineering" Jobs

864 open tech roles matching “thermal engineering”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, Mechanical Engineering, Electrical Engineering. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 864 results

Radiant

Join Radiant as a Senior Nuclear Engineer to lead modeling methods and reactor physics calculations for innovative nuclear microreactors.

Radiant El Segundo, CA Published 1 month ago
Flexible on stack
The Exploration Company

Lead the AIT Thermal/ECLSS team in testing and qualifying critical space systems at The Exploration Company.

The Exploration Company Munich, Germany Published 2 months ago
SpaceX

Join SpaceX as a Thermal Engineer to design and validate satellite hardware for the Starlink project.

SpaceX Redmond, WA $100k–$135k/yr Published 3 months ago
Flexible on stack
Radiant

Join Radiant as a Senior Power Electronics Engineer to design and develop power electronics for innovative nuclear microreactors.

Radiant El Segundo, CA Published 6 months ago
Helion

Join Helion as a Mechanical Engineer to design and develop hardware for fusion devices in a mission-driven team.

Helion Everett, WA Published 6 months ago
Nexthop AI
Nexthop AI Santa Clara, California, United States Published 1 month ago
Exowatt

Lead the design and implementation of control architecture for a scalable thermal energy storage system at a startup focused on renewable energy.

Exowatt Austin, TX Published 2 months ago
Rigetti Computing

Lead the mechanical architecture of quantum hardware systems, focusing on cryogenic design and collaboration with physicists and engineers.

Rigetti Computing Berkeley, CA Published 1 month ago
Radiant

Join Radiant as a Nuclear Engineer to develop innovative solutions for portable nuclear microreactors in a fast-paced startup environment.

Radiant El Segundo, CA Published 1 month ago
Flexible on stack
SpaceX

Join SpaceX as a Propulsion Engineer to enhance Starship's thermal and fluid systems for interplanetary travel.

SpaceX Starbase, TX Published 3 months ago
Flexible on stack
K2 Space

Join K2 Space as a Senior Mechanisms Engineer to design and deploy high-power turbopumps for advanced spacecraft thermal control systems.

K2 Space Los Angeles, CA $140k–$175k/yr Published 2 months ago
Apex Space

Join Apex Space as a Thermal Engineering Intern to gain hands-on experience in spacecraft production and thermal analysis.

Apex Space Los Angeles Published 1 week ago
SpaceX

Join SpaceX as a Senior Thermal Engineer to develop thermal systems for AI satellites in space.

SpaceX Bastrop, TX Published 1 month ago
Radiant

Join Radiant as a Senior Stress Engineer to ensure structural integrity for the world's first portable nuclear microreactor.

Radiant El Segundo, CA Published 1 month ago
The Exploration Company

Own the technical follow-up of suppliers for fluid-control equipment in aerospace technologies at The Exploration Company.

The Exploration Company Bordeaux, France Published 3 weeks ago
Valar Atomics

Join Valar Atomics as a Process Engineer to optimize chemical processing equipment in a pioneering nuclear energy startup.

Valar Atomics Orangeville, Utah, United States Published 1 month ago
Helion

Join Helion as an Electrical Engineer to support core electrical systems for fusion generators in a mission-driven environment.

Helion Everett, WA Published 6 months ago
Flexible on stack
Valar Atomics

Join Valar Atomics as a turbomachinery mechanical designer to influence high-efficiency power generation technology from the ground up.

Valar Atomics Torrance, California, United States $140k–$215k/yr Published 1 month ago
Radiant

Lead interdisciplinary nuclear engineering efforts for portable nuclear microreactors at a startup focused on innovative energy solutions.

Radiant El Segundo, CA, United States Published 1 day ago
Flexible on stack
Varda Space

Join Varda as a Thermofluids Engineer II to drive fluid system design for thermal management on spacecraft.

Varda Space El Segundo, California, United States $119.5k–$152.7k/yr Published 2 months ago
Flexible on stack