"high energy physics" Jobs

1018 open tech roles matching “high energy physics”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, AI/ML, Mechanical Engineering. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 1018 results

Cowboy Space Corporation

Lead advanced engineering simulation efforts in propulsion at Cowboy Space Corporation, focusing on FEA, CFD, and thermal analysis.

Cowboy Space Corporation Kent, Washington $150k–$225k/yr Published 10 hours ago
Flexible on stack
Cowboy Space Corporation

Lead advanced engineering simulation efforts in propulsion at Cowboy Space Corporation, focused on space-based solar energy solutions.

Cowboy Space Corporation Kent, Washington $150k–$200k/yr Published 10 hours ago
Flexible on stack
K2 Space

Join K2 Space as a Principal Mechanisms Engineer to innovate in the design and deployment of optical payloads for advanced satellite systems.

K2 Space Los Angeles, CA $175k–$200k/yr Published 4 months ago
Flexible on stack
Periodic Labs

Join Periodic Labs as a Business Operations professional to bridge AI and physical science in a high-impact role.

Periodic Labs Menlo Park, CA $250k–$300k/yr Published 3 weeks ago
AI-first team
IonQ

Join IonQ as a Staff Scientist to lead quantum algorithms and applications in condensed matter and high energy physics.

IonQ Bothell, Washington, United States $174.5k–$250.3k/yr Published 1 month ago
Flexible on stack
Cowboy Space Corporation

Own the design and development of turbopump hardware at Cowboy Space Corp, a startup focused on space-based solar energy.

Cowboy Space Corporation Kent, Washington $165k–$210k/yr Published 1 week ago
Radiant

Join Radiant as a Senior Thermal Modeling & Analysis Engineer to lead CFD and thermal modeling for innovative nuclear microreactors.

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

Join Periodic Labs as a Mechanical Engineer to design and build lab systems that integrate materials science with AI.

Periodic Labs Menlo Park, CA $200k–$300k/yr Published 1 month 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 10 hours ago
Atoms

Lead structural design and analysis for Atoms' physical infrastructure ventures, impacting industries like food and transport.

Atoms San Francisco, CA $182k–$214k/yr Published 1 week ago
SpaceX

Join SpaceX as an Electrical Engineer to design and support electrical systems for the Starship launch pad.

SpaceX Starbase, TX Published 2 weeks ago
Proxima Fusion

Join Proxima Fusion as a Manufacturing Engineer to develop assembly strategies for cutting-edge fusion technology in a unique secondment program.

Proxima Fusion Munich Published 3 months ago
SpaceX

Join SpaceX as an Electrical Engineer to design and support electrical systems for the Starship launch pad.

SpaceX Cape Canaveral, FL Published 3 months ago
SpaceX

Join SpaceX as an Electrician to maintain and repair advanced manufacturing facilities, contributing to making life multiplanetary.

SpaceX Hawthorne, CA $26k–$44k/hr Published 3 weeks ago
Standard Nuclear

Join Standard Nuclear as a Materials Engineer to develop and scale advanced materials for nuclear power manufacturing.

Standard Nuclear Oak Ridge, TN Published 1 month ago
Cowboy Space Corporation

Join Cowboy Space Corporation as a Test Engineer to design and build testing systems for revolutionary space-based solar energy solutions.

Cowboy Space Corporation Kent, Washington $130k–$190k/yr Published 1 week ago
Flexible on stack
Valar Atomics

Lead Valar Atomics’ modeling, simulation, and analysis organization to support nuclear reactor design and deployment.

Valar Atomics Torrance, California, United States $225k–$300k/yr Published 18 hours ago
Flexible on stack
Cowboy Space Corporation

Join Cowboy Space Corporation as a Mechanical Engineer to design and manage the liquid cooling loop for GPU compute hardware in spacecraft.

Cowboy Space Corporation Kent, Washington $100k–$300k/yr Published 1 week ago
Cowboy Space Corporation

Join Cowboy Space Corporation as a Senior In-Space Propulsion Engineer to design and develop innovative propulsion systems for satellites.

Cowboy Space Corporation Kent, Washington $140k–$205k/yr Published 1 week ago
Cowboy Space Corporation

Develop real-time DSP algorithms for space-based communications at Cowboy Space Corporation, a pioneering energy startup.

Cowboy Space Corporation San Carlos, California $167k–$214k/yr Published 10 hours ago
Flexible on stack