"thermal performance" Jobs

725 open tech roles matching “thermal performance”, 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 725 results

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 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
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
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
The Exploration Company

Join The Exploration Company as a Propulsion CFD Engineer to advance aerospace technologies in space transportation.

The Exploration Company Bordeaux, France Published 1 month ago
Flexible on stack
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
Radiant

Join Radiant as a Mechanical Engineer to design and build critical fluid systems for innovative portable nuclear microreactors.

Radiant El Segundo, CA Published 3 months ago
Radiant

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

Radiant El Segundo, CA Published 1 month ago
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
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
Valar Atomics

Lead the instrumentation, control, and electrical architecture for a high-temperature nuclear power conversion system at Valar Atomics.

Valar Atomics Torrance, California, United States $225k–$300k/yr Published 2 months 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
The Exploration Company

Lead a team of engineers in propulsion system design at The Exploration Company, focusing on innovative aerospace technologies.

The Exploration Company Bordeaux, France Published 1 month ago
Astro Mechanica

Join Astro Mechanica as a Senior Propulsion Engineer to lead the design of combustion devices for advanced aerospace propulsion systems.

Astro Mechanica San Francisco Published 3 months 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 Structures Engineer to design critical structures for innovative portable nuclear microreactors.

Radiant El Segundo, CA Published 2 weeks ago
Heron Power

Join Heron Power as a Systems Integration Engineer to lead application testing for innovative power electronics in a collaborative startup environment.

Heron Power Scotts Valley $130k–$160k/yr Published 13 hours ago
Flexible on stack
Radiant

Lead the design and validation of electrical power systems for portable nuclear microreactors at a pioneering startup.

Radiant El Segundo, CA Published 6 months ago
Astro Mechanica

Join Astro Mechanica as a Senior Combustion Devices Engineer to lead the design of advanced propulsion systems for supersonic travel.

Astro Mechanica San Francisco Published 4 months ago