"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

K2 Space

Join K2 Space as a Development Test Engineer to lead component and subsystem testing for high-power satellites.

K2 Space Los Angeles, CA $100k–$140k/yr Published 9 months ago
Flexible on stack
SpaceX

Join SpaceX as a Propulsion Technician to assemble and test rocket hardware in a dynamic and safety-focused environment.

SpaceX Hawthorne, CA $3.6k–$5.1k/hr Published 1 month ago
Proxima Fusion

Join Proxima Fusion as a Cryogenics Engineer to design and validate cryogenic systems for the world's first commercial fusion power plant.

Proxima Fusion Zurich Published 2 months ago
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
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
Helion

Join Helion as a Senior Superconductor Engineer to lead the development of superconducting hardware for fusion power systems.

Helion Everett, WA Published 4 months ago
Flexible on stack
Radiant

Join Radiant as a Certification Engineer to ensure nuclear reactor designs meet rigorous standards and requirements.

Radiant El Segundo, CA Published 3 months 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
SpaceX

Own the development and operation of engine combustor hardware for SpaceX's advanced rocket engines.

SpaceX Hawthorne, CA $135k–$215k/yr Published 1 month ago
Flexible on stack
Astro Mechanica

Join Astro Mechanica as a Senior Propulsion Design Engineer to lead innovative jet engine hardware from prototype to flight qualification.

Astro Mechanica San Francisco Published 3 days ago
SpaceX

Join SpaceX as a Propulsion Engineer to develop and operate engine combustor hardware for advanced rocket systems.

SpaceX Hawthorne, CA $100k–$160k/yr Published 1 month ago
SpaceX

Join SpaceX as a Development Test Engineer to characterize and qualify battery cell technologies for Starship vehicles.

SpaceX Hawthorne, CA $100k–$115k/yr Published 1 month ago
Flexible on stack
Astro Mechanica

Join Astro Mechanica as an Entry-Level Propulsion Design Engineer to design and validate critical propulsion systems for supersonic travel.

Astro Mechanica San Francisco Published 3 months ago
Flexible on stack
K2 Space

Join K2 Space as a Principal Solar Process Engineer to optimize solar array processes for high-power satellites.

K2 Space Los Angeles, CA $175k–$200k/yr Published 4 months ago
Heron Power

Design and develop innovative power electronics systems in a collaborative startup environment.

Heron Power Scotts Valley $120k–$190k/yr Published 3 months ago
Flexible on stack
Cowboy Space Corporation

Design and implement thermal management solutions for space-based power and compute platforms at Cowboy Space Corporation.

Cowboy Space Corporation San Carlos, California $150k–$200k/yr Published 1 week ago
Proxima Fusion

Join Proxima Fusion as a Numerical Modeling Engineer to develop high-fidelity simulation tools for superconducting magnets in fusion power plants.

Proxima Fusion Zurich Published 6 months ago
Flexible on stack
Pacific Fusion

Lead the mechanical design and implementation of core components for a nuclear fusion demonstration system at a rapidly growing startup.

Pacific Fusion San Leandro, CA $138.1k–$263.8k/yr Published 2 weeks ago