"thermal physics" Jobs

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

Showing 20 of 200 results

Helion

Join Helion as a Process Engineer to design and implement the world's first continuous fusion fuel cycle in a pioneering energy company.

Helion Everett, WA Published 4 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 2 months ago
Flexible on stack
Astro Mechanica

Join Astro Mechanica as a Senior Turbomachinery Engineer to lead rotordynamic analysis and advance aerospace technology.

Astro Mechanica San Francisco Published 5 days ago
SpaceX

Join SpaceX as a Sr. Propulsion Analyst to ensure the Raptor engine withstands extreme conditions through advanced structural analysis.

SpaceX Hawthorne, CA $135k–$215k/yr Published 1 month ago
Periodic Labs

Join a senior team to develop high-fidelity material characterization methods leveraging AI and automation in a groundbreaking lab.

Periodic Labs Menlo Park, CA $225k–$325k/yr Published 2 months ago
Pacific Fusion

Lead the mechanical design and implementation of core components for a nuclear fusion demonstration system at a rapidly growing startup.

Pacific Fusion San Leandro, CA $138.1k–$263.8k/yr Published 3 weeks 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
Helion

Join Helion as a Senior Mechanical Engineer to design and optimize hardware for fusion power prototypes in a mission-driven team.

Helion Everett, WA Published 4 weeks ago
Helion

Join Helion as a Senior Process Engineer to lead the design of the world's first continuous fusion fuel cycle in a pioneering energy company.

Helion Everett, WA Published 4 months ago
Helion

Join Helion as a Senior Superconductor Engineer to lead the development of superconducting hardware for fusion power systems.

Helion Everett, WA Published 4 months ago
Flexible on stack
IonQ

Join IonQ as a Senior Electrical Engineer to design advanced electronics for next-generation quantum sensors in space applications.

IonQ Pleasanton, California, United States $142.1k–$186.1k/yr Published 3 months ago
Flexible on stack
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
SpaceX

Lead sourcing strategy and supplier management for server mechanicals and cooling at SpaceX, driving innovation and cost efficiency.

SpaceX Austin, TX Published 1 week ago
Varda Space

Join Varda as a Senior Thermal Analysis Engineer to develop thermal systems for spacecraft in a fast-paced, innovative environment.

Varda Space El Segundo, California, United States $140.3k–$179.3k/yr Published 2 months ago
Astro Mechanica

Join Astro Mechanica as a Senior Rotordynamics Engineer to lead turbomachinery analysis and contribute to supersonic travel innovations.

Astro Mechanica San Francisco Published 5 days ago
Flexible on stack
Radiant

Join Radiant as a Senior Engineering Technician to fabricate and assemble innovative portable nuclear microreactors in a dynamic startup environment.

Radiant El Segundo, CA Published 1 month 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 a Sr. Aerodynamics Engineer to predict aerodynamics for Starship missions and support vehicle design efforts.

SpaceX Starbase, TX Published 3 months ago
Flexible on stack
Apex Space

Join Apex Space as a Senior Mechanical Engineer to design and qualify propulsion systems for spacecraft.

Apex Space Los Angeles Published 4 months ago
IonQ

Join IonQ as a Senior Mechanical Engineer to design and improve mechanical systems for cutting-edge quantum products.

IonQ Geneva, Switzerland Published 2 weeks ago