"heat transfer" Jobs

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

Showing 20 of 124 results

Radiant

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

Radiant El Segundo, CA Published 2 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 5 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 2 months ago
Flexible on stack
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 4 months ago
SpaceX

Join SpaceX as a Propulsion Fluids Analyst to enhance engine designs through advanced fluids and thermal analyses.

SpaceX Hawthorne, CA $100k–$140k/yr Published 3 months ago
Flexible on stack
Helion

Join Helion as a Process Engineering Summer Intern to work on separation systems in fusion power technology.

Helion Everett, WA Published 1 week ago
Coreweave
Coreweave New York, NY / Sunnyvale, CA / Bellevue, WA $120k–$242k/yr Published 11 months 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, California, United States $180k–$220k/yr Published 2 months ago
Flexible on stack
Exowatt

Lead the design and optimization of non-imaging optics for a groundbreaking solar energy system in a startup environment.

Exowatt Austin, TX Published 3 months ago
SpaceX

Join SpaceX as a Sr. Propulsion Fluids Analyst to drive design decisions for advanced rocket engine hardware through fluids and thermal analyses.

SpaceX Hawthorne, CA $135k–$190k/yr Published 3 months ago
Flexible on stack
Graphcore

Join Graphcore as a Graduate Mechanical Engineer to work on mechanical design and thermal validation for advanced AI hardware.

Graphcore Austin, Texas, United States Published 2 weeks ago
SpaceX

Join SpaceX as a Mechanical Engineer specializing in HVAC systems for various facilities, contributing to the future of space exploration.

SpaceX Cape Canaveral, FL Published 1 month ago
Astro Mechanica

Join Astro Mechanica as a Propulsion Design Engineer to design and validate critical propulsion systems for supersonic travel.

Astro Mechanica San Francisco Published 4 months ago
Varda Space

Drive fluid system design for thermal management on spacecraft at Varda Space, contributing to innovative space infrastructure.

Varda Space El Segundo, California, United States $119.5k–$152.7k/yr Published 1 week ago
Flexible on stack
Mariana Minerals

Join Mariana Minerals as a Staff Process Modeling Engineer to develop next-generation refining processes for critical minerals.

Mariana Minerals Houston, TX 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 4 months ago
Flexible on stack
Radiant

Join Radiant as a Senior Electrical Engineer to design and develop control systems for innovative portable nuclear microreactors.

Radiant El Segundo, CA Published 8 months 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 4 weeks ago
Astro Mechanica

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

Astro Mechanica San Francisco Published 3 months 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 2 months ago