"cryogenic hardware" Jobs

138 open tech roles matching “cryogenic hardware”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Mechanical Engineering, Python, Aerospace Engineering. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 138 results

Valar Atomics

Lead the design and operation of helium systems for next-generation high-temperature gas-cooled reactor technology at Valar Atomics.

Valar Atomics Torrance, California, United States $144k–$176k/yr Published 1 month ago
Proxima Fusion

Join Proxima Fusion as an Integration Engineer to lead the integration of building services systems for a pioneering fusion power plant.

Proxima Fusion Munich Published 9 months ago
IonQ

Join IonQ as a Senior Electronics Engineer to enhance the reliability of quantum computing systems through innovative electronics solutions.

IonQ Oxford, England, United Kingdom Published 2 weeks ago
Flexible on stack
Cowboy Space Corporation

Join Cowboy Space Corporation as a Fluids Analyst to lead fluid system predictions and analysis for innovative space-based solar energy solutions.

Cowboy Space Corporation Kent, Washington $130k–$190k/yr Published 1 week ago
Flexible on stack
Proxima Fusion

Design and build critical laser diagnostics for the Alpha stellarator, impacting the future of clean energy.

Proxima Fusion Munich Published 1 month ago
Flexible on stack
SpaceX

Join SpaceX as a Test Specialist to support the production of advanced spacecraft components in a dynamic testing environment.

SpaceX Hawthorne, CA $3.3k–$5k/hr Published 1 month ago
SpaceX

Join SpaceX as a New Graduate Engineer to work on the Starship Launch & Test team, contributing to groundbreaking aerospace technology.

SpaceX Starbase, TX Published 3 months ago
Proxima Fusion

Join Proxima Fusion as a Multiphysics Simulation Engineer to shape the architecture of the world's first commercial fusion power plant.

Proxima Fusion Munich Published 1 week ago
Flexible on stack
SpaceX

Operate and support critical cryogenic systems in SpaceX's Air Separation Unit to enable high-purity liquid oxygen production for Starship.

SpaceX Starbase, TX Published 1 week ago
Proxima Fusion

Lead efforts in burning plasma physics to optimize reactor-scale stellarator plasmas at Proxima Fusion.

Proxima Fusion Munich Published 3 months ago
Flexible on stack
Proxima Fusion

Join Proxima Fusion as a Plasma Physicist to lead the design of the world's first commercial stellarator fusion power plant.

Proxima Fusion Munich Published 10 months ago
Proxima Fusion

Join Proxima Fusion as a Neutronics Engineer to advance stellarator design and contribute to the future of clean energy.

Proxima Fusion Munich Published 8 months ago
Flexible on stack
Cowboy Space Corporation

Design and develop motor controls and automation systems for fluid systems in a pioneering space energy company.

Cowboy Space Corporation Kent, Washington $165k–$190k/yr Published 1 week ago
Flexible on stack
SpaceX

Join SpaceX as a Launch Pad Technician to maintain mechanical and fluid systems for Starship launch operations.

SpaceX Cape Canaveral, FL Published 2 months ago
Pacific Fusion

Join Pacific Fusion as a Senior Mechanical Engineer to innovate mechanical designs for advanced fusion energy systems.

Pacific Fusion Fremont, CA $138.1k–$263.8k/yr Published 6 months ago
SpaceX

Join SpaceX as an Apprentice Fabrication Technician on the 2nd shift, working on critical infrastructure for rocket development.

SpaceX McGregor, TX Published 1 month ago
Pacific Fusion

Join Pacific Fusion as a Senior Mechanical Engineer to drive the development of innovative fusion energy systems.

Pacific Fusion San Leandro, CA $138.1k–$263.8k/yr Published 2 months 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
Cowboy Space Corporation

Join Cowboy Space Corporation as a Level I Powerpack Engineer to design and test turbopump components for innovative space-based energy solutions.

Cowboy Space Corporation Kent, Washington $110k–$135k/yr Published 1 week ago
Flexible on stack