"thermal engineering" Jobs

971 open tech roles matching “thermal engineering”, taken straight from company career pages — not reposted from other job boards. Every listing is re-checked daily and closed roles are removed.

No "thermal engineering" jobs in London right now — showing "thermal engineering" jobs in all locations.

Showing 20 of 971 results

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 4 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 4 months ago
Apex Space

Lead the architecture and development of flight critical avionics systems for spacecraft at a fast-growing startup.

Apex Space Los Angeles Published 6 months ago
Apex Space

Join Apex as a Senior Propulsion Engineer to design propulsion modules for spacecraft with a focus on mechanical design and hardware integration.

Apex Space Los Angeles Published 2 days ago
K2 Space

Design and build precision optomechanical structures for high-power satellites in a fast-paced, high-growth environment.

K2 Space Los Angeles, CA $120k–$210k/yr Published 2 months ago
Flexible on stack
K2 Space

Design and build precision optomechanical structures for high-power satellites in a fast-paced, high-growth environment.

K2 Space Los Angeles, CA $120k–$210k/yr Published 1 month ago
Flexible on stack
Radiant

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

Radiant El Segundo, CA Published 4 months ago
Graphcore

Join Graphcore as a Staff SLT Test Engineer to lead the development of System Level Test solutions for next-generation AI processors.

Graphcore Austin, Texas, United States Published 3 months ago
Helion

Join Helion as a Senior Electrical Engineer to develop advanced dielectric materials for fusion power systems.

Helion Everett, WA Published 1 week ago
Etched

Own the accelerator software for cutting-edge chips at a frontier AI startup in San Jose.

Etched San Jose Published 4 months ago
Flexible on stack
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
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 2 months ago
Cowboy Space Corporation

Join Cowboy Space Corporation as an Avionics Test Engineer to lead the validation and integration of spacecraft electronics.

Cowboy Space Corporation San Carlos, California $110k–$150k/yr Published 2 weeks ago
Flexible on stack
Cowboy Space Corporation

Manage the avionics hardware lab, ensuring safety and efficiency while supporting engineering teams in developing next-gen hardware.

Cowboy Space Corporation San Carlos, California $113k–$185k/yr Published 2 weeks ago
Apex Space

Join Apex as a Propulsion Engineer to design and integrate propulsion modules for spacecraft in a fast-growing startup environment.

Apex Space Los Angeles Published 2 days ago
Skydio

Lead the mechanical engineering team to develop cutting-edge autonomous drone systems from concept to production.

Skydio San Mateo, California, United States $230k–$325k/yr Published 1 month ago
Amca

Lead the design and prototyping of mechanical hardware for aviation and military systems at Amca.

Amca 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 4 months ago
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 12 months ago
Flexible on stack
Carbon

Join Carbon as a Senior Opto-Mech Engineer to design and sustain innovative additive manufacturing solutions in a collaborative environment.

Carbon Sunnyvale, California, United States $137.6k–$206.4k/yr Published 2 months ago
Flexible on stack