"thermal hydraulics" Jobs

46 open tech roles matching “thermal hydraulics”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, CAD, Thermodynamics. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 46 results

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
Radiant

Join Radiant as a Senior Thermal-Hydraulics Engineer to design and implement simulations for innovative nuclear microreactors.

Radiant El Segundo, CA Published 1 month ago
Flexible on stack
Radiant

Join Radiant as a Staff Mechanical Engineer to lead the design and production of innovative fluid systems for portable nuclear microreactors.

Radiant El Segundo, CA Published 3 months ago
Radiant

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

Radiant El Segundo, CA Published 3 months ago
K2 Space

Join K2 Space as a Senior Mechanisms Engineer to design and deploy high-power turbopumps for advanced spacecraft thermal control systems.

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

Join Radiant as a Senior Mechanical Engineer to lead the design of critical fluid systems for innovative portable nuclear microreactors.

Radiant El Segundo, CA Published 3 months 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

Lead thermal-hydraulics analysis for a groundbreaking portable nuclear microreactor at a fast-paced startup.

Radiant El Segundo, CA Published 1 month ago
Saronic Technologies

Lead the design and integration of mechanical systems for autonomous surface vessels in a hands-on engineering role.

Saronic Technologies Austin, TX Published 6 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
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
The Exploration Company

Lead the design and integration of engine systems and turbomachinery for next-gen cryogenic rocket engines.

The Exploration Company Bordeaux, France Published 1 month ago
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
SpaceX

Join SpaceX as a Thermal Development Technician to support the manufacturing and integration of heat shields for the Starship spacecraft.

SpaceX Starbase, TX Published 5 days ago
SpaceX

Join SpaceX as a Mechanical Engineer to design and commission cooling and plumbing systems for data center infrastructure.

SpaceX Starbase, TX Published 2 months ago
SpaceX

Join SpaceX as a Maintenance Technician to support the installation and maintenance of critical systems for Starship test operations.

SpaceX Starbase, TX Published 2 months ago
SpaceX

Join SpaceX as a Machine Maintenance Technician to solve equipment problems and maintain production without interruptions.

SpaceX Redmond, WA $3.1k–$4.8k/hr Published 2 months ago
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
Radiant

Join Radiant as a Senior Nuclear Engineer to lead modeling methods and reactor physics calculations for innovative nuclear microreactors.

Radiant El Segundo, CA Published 1 month ago
Flexible on stack