"thermal engineering" Jobs

270 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 270 results

Castelion
Castelion Torrance, California, United States Published 3 weeks ago
Radiant

Own system-level thermodynamic modeling of power conversion architecture for portable nuclear microreactors at Radiant.

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

Join Astro Mechanica as a Senior Thermal Systems Design Engineer to lead thermal management system design from concept to production.

Astro Mechanica San Francisco Published 2 days ago
Flexible on stack
Radiant

Join Radiant as a Senior Thermal-Hydraulics Engineer to design and implement simulations for innovative nuclear microreactors.

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

Join Radiant as a Senior Thermal Modeling & Analysis Engineer to lead CFD and thermal modeling for innovative nuclear microreactors.

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

Join Radiant as a Senior Thermal Modeling Engineer to drive the development of portable nuclear microreactors in a dynamic startup environment.

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

Join Radiant as a Senior Thermal Modeling Analyst to drive the development of portable nuclear microreactors in a collaborative environment.

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

Join Radiant as a Senior Mechanical Engineer to lead the design of critical fluid systems for innovative portable nuclear microreactors.

Radiant El Segundo, CA Published 3 months ago
K2 Space

Join K2 Space as a Senior Thermal Control System Design Engineer to develop cutting-edge thermal control systems for high-power satellites.

K2 Space Los Angeles, CA $140k–$250k/yr Published 1 month ago
Radiant

Lead thermal-hydraulics analysis for a groundbreaking portable nuclear microreactor at a fast-paced startup.

Radiant El Segundo, CA Published 1 month ago
K2 Space

Join K2 Space as a Senior Thermal Design Engineer to develop cutting-edge thermal control systems for high-power satellites.

K2 Space Los Angeles, CA $140k–$250k/yr Published 1 month ago
Helion

Join Helion as a Senior Mechanical Engineer to design thermo-mechanical hardware for the world's first fusion power plant.

Helion Everett, WA Published 3 weeks ago
CesiumAstro

Join CesiumAstro as a Senior Thermal Engineer to design and validate thermal control systems for next-generation aerospace products.

CesiumAstro Westminster, CO Published 1 week ago
Valar Atomics

Lead system-level thermal-hydraulics modeling for advanced nuclear power systems at a pioneering energy startup.

Valar Atomics Torrance, CA $151k–$185k/yr Published 1 month ago
Flexible on stack
Mind Robotics

Join Mind Robotics as a Thermal Design Engineer to develop innovative thermal solutions for industrial robots.

Mind Robotics Palo Alto Published 3 months ago
Helion

Join Helion as a Process Engineer to design and implement the world's first continuous fusion fuel cycle in a pioneering energy company.

Helion Everett, WA Published 4 months ago
Radiant

Join Radiant as a Senior Engineering Technician to fabricate and assemble innovative portable nuclear microreactors in a dynamic startup environment.

Radiant El Segundo, CA Published 1 month ago
Radiant

Join Radiant as a Senior Mechanical Engineer to design and analyze turbomachinery for innovative portable nuclear microreactors.

Radiant El Segundo, CA Published 11 months ago
SpaceX

Join SpaceX as a Senior Thermal Engineer to lead fluids analysis for AI satellites in a mission to capture solar energy in space.

SpaceX Bastrop, TX Published 1 month ago
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