"helium systems" Jobs

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

Showing 20 of 23 results

Helion

Join Helion as a Principal Nuclear Materials Engineer to develop materials for high-radiation environments in the pursuit of fusion power.

Helion Everett, WA Published 11 months ago
Flexible on stack
SpaceX

Join SpaceX as an Industrial Gases Technician to support high-pressure gas systems and ensure safe operations.

SpaceX Hawthorne, CA $23–$38/hr Published 3 days ago
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
Valar Atomics

Lead the design and commissioning of process instrumentation for advanced nuclear reactor technologies at Valar Atomics.

Valar Atomics Torrance, California, United States $196k–$240k/yr Published 1 month ago
The Exploration Company

Lead the design and development of a lunar lander test facility, combining propulsion test infrastructure and project management in a remote environment.

The Exploration Company Bordeaux, France Published 2 months ago
SpaceX

Join SpaceX as a Test Technician to manage pneumatic and hydraulic tests on flight hardware.

SpaceX Hawthorne, CA, United States $23–$38/hr Published 1 day ago
The Exploration Company

Lead the design and development of a lunar lander test facility in the UAE, focusing on propulsion and cryogenic systems.

The Exploration Company Dubai Published 4 months 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
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
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
SpaceX

Join SpaceX as a Propulsion Engineer to develop high-performance propulsion systems for the Starship launch vehicle.

SpaceX Starbase, TX Published 2 weeks ago
Flexible on stack
SpaceX

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

SpaceX Vandenberg, CA $23–$41/hr Published 1 week ago
Proxima Fusion

Join Proxima Fusion as a Plasma Edge Transport Physicist to advance edge transport physics models for commercial fusion power.

Proxima Fusion Munich Published 7 months ago
Flexible on stack
Cowboy Space Corporation

Own critical fluid systems from concept through flight in a hands-on role at Cowboy Space Corporation.

Cowboy Space Corporation Kent, Washington $130k–$195k/yr Published 1 week ago
Cowboy Space Corporation

Join Cowboy Space Corp as a Fluids Engineer to design and validate critical fluid systems for propulsion and vehicle hardware.

Cowboy Space Corporation Kent, Washington $130k–$195k/yr Published 1 week ago
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
Cowboy Space Corporation

Join Cowboy Space Corporation as a Fluids Engineer Level 1 to design and validate critical fluid systems for space-based solar energy.

Cowboy Space Corporation Kent, Washington $100k–$135k/yr Published 1 week ago
Flexible on stack
Valar Atomics

Join Valar Atomics as a Staff CFD Analysis Engineer to lead high-fidelity simulations for advanced nuclear reactor systems.

Valar Atomics Torrance, CA $180k–$220k/yr Published 1 month ago
Flexible on stack
Cowboy Space Corporation

Design and develop fluid system hardware for propulsion and thermal management in a pioneering space energy company.

Cowboy Space Corporation Kent, Washington $120k–$150k/yr Published 1 week ago
Cowboy Space Corporation

Design and develop fluid system hardware for propulsion and thermal management in a pioneering space energy company.

Cowboy Space Corporation Kent, Washington $160k–$185k/yr Published 1 week ago