"thermal" Jobs

869 open tech roles matching “thermal”, 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 869 results

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
AI-first team
Radiant

Lead the testing strategy and execution for power generation systems at a pioneering nuclear microreactor startup.

Radiant El Segundo, CA Published 7 months ago
60% coding
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

Join SpaceX as a Thermal Mechanical Test Engineer to develop and execute thermal and mechanical test programs for advanced semiconductor packaging.

SpaceX Bastrop, TX Published 2 months ago
Flexible on stack
Radiant

Join Radiant as a Staff Structures Engineer to design critical structures for innovative portable nuclear microreactors.

Radiant El Segundo, CA Published 2 weeks 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
Inertia

Lead the design and analysis of critical components for the world's first fusion energy power plant at Inertia.

Inertia Livermore $125k–$225k/yr Published 6 months 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
Radiant

Join Radiant as a Senior Structures Engineer to design critical structures for portable nuclear microreactors in a fast-paced startup environment.

Radiant El Segundo, CA Published 1 month ago
K2 Space

Join K2 Space as an Environmental Test Technician to oversee complex test campaigns for cutting-edge satellite components.

K2 Space Los Angeles, CA $32–$45/hr Published 2 months ago
K2 Space

Join K2 Space as a Senior Mechanisms Engineer to design and integrate turbomachinery for high-power spacecraft systems.

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

Join Varda as a Thermal Hardware and Test Engineer II to innovate in thermal and fluid systems for spacecraft.

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

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
IonQ

Join IonQ as a Senior Electrical Engineer to design advanced electronics for next-generation quantum sensors in space applications.

IonQ Pleasanton, California, United States $142.1k–$186.1k/yr Published 3 months ago
Flexible on stack
Echodyne

Join Echodyne as a Senior Mechanical Engineer to design cutting-edge radar technology for various industries.

Echodyne Kirkland, WA $124.7k–$187.0k/yr Published 1 month 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
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
Helion

Join Helion as a Mechanical Engineer to design fluid systems for fusion generators at our Everett, WA headquarters.

Helion Everett, WA Published 3 weeks ago