"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

Helion

Join Helion as a Senior Electrical Simulation Engineer to develop and validate circuit models for fusion power systems.

Helion Everett, WA Published 8 months ago
Flexible on stack
Radiant

Join Radiant as a Loads & Dynamics Engineer to ensure structural integrity for the world's first portable nuclear microreactor.

Radiant El Segundo, CA Published 1 month ago
SpaceX

Develop innovative life support and thermal control systems for SpaceX's Crew Starship missions, including Mars missions.

SpaceX Starbase, TX Published 2 weeks ago
Radiant

Join Radiant as a Staff Loads & Dynamics Engineer to ensure structural integrity for the world's first portable nuclear microreactor.

Radiant El Segundo, CA Published 1 month ago
SpaceX

Join SpaceX as a Mechanical Engineer to design and commission cooling and plumbing systems for data center infrastructure.

SpaceX Starbase, TX Published 2 months ago
Radiant

Lead a team of nuclear engineers in designing and analyzing portable nuclear microreactors at a startup focused on innovative energy solutions.

Radiant El Segundo, CA Published 2 weeks ago
Radiant

Join Radiant as a Nuclear Engineer, Core Physics, designing testing operations for innovative portable nuclear microreactors.

Radiant El Segundo, CA Published 1 month ago
Helion

Join Helion as a Senior Mechanical Engineer to design and improve hardware for fusion power prototypes in a mission-driven environment.

Helion Everett, WA Published 1 month ago
Flexible on stack
Helion

Join Helion as a Power Electronics Engineer to support core electrical energy management systems for fusion generators.

Helion Everett, WA Published 6 months ago
Flexible on stack
SpaceX

Join SpaceX as a Propulsion Thermal Analyst to ensure the thermal reliability of Raptor components for advanced rocket engines.

SpaceX Hawthorne, CA $100k–$140k/yr Published 2 months ago
Radiant

Lead an interdisciplinary team in nuclear engineering for portable microreactors at Radiant.

Radiant El Segundo, CA, United States Published 1 day ago
Flexible on stack
The Exploration Company

Lead the design and integration of engine systems and turbomachinery for next-gen cryogenic rocket engines.

The Exploration Company Bordeaux, France Published 1 month ago
Helion

Join Helion as a Principal Power Electronics Packaging Engineer to lead the development of next-generation packaging solutions for fusion power technology.

Helion Everett, WA Published 3 months ago
Helion

Lead a multidisciplinary team to design and deliver fuel cycle systems for Helion's next-generation fusion power plant.

Helion Everett, WA Published 9 months ago
Radiant

Join Radiant as a Nuclear Engineer to lead sensor and instrumentation solutions for innovative portable nuclear microreactors.

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

Join Graphcore as a Mechanical and Thermal Laboratory Technician to support the development of advanced AI hardware systems in a hands-on role.

Graphcore Austin, Texas, United States Published 2 weeks ago
Helion

Join Helion as a Senior Mechanical Engineer to design and optimize hardware for fusion power prototypes in a mission-driven team.

Helion Everett, WA Published 3 weeks ago
Valar Atomics

Join Valar Atomics as a Senior Mechanical Engineer to lead the design of advanced nuclear systems and mentor junior engineers.

Valar Atomics Torrance, California, United States $140k–$185k/yr Published 2 months ago
Flexible on stack