"high energy physics" Jobs

1020 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 1020 results

Cowboy Space Corporation

Join Cowboy Space Corporation as a TCA & Thrusters Engineer to design and develop rocket engine injectors for innovative space-based solar energy solutions.

Cowboy Space Corporation Kent, Washington $130k–$180k/yr Published 1 week ago
Flexible on stack
Periodic Labs

Join Periodic Labs as an Equipment Engineer to lead the commissioning and maintenance of advanced deposition systems in a cutting-edge lab.

Periodic Labs Menlo Park, CA, United States $200k–$275k/yr Published 23 hours ago
Flexible on stack
Periodic Labs

Join Periodic Labs as a Midtraining Research Engineer to enhance scientific reasoning in AI models for groundbreaking discoveries.

Periodic Labs Menlo Park, CA $250k–$350k/yr Published 1 month ago
Cowboy Space Corporation

Lead aerothermal analysis for a revolutionary space-based solar energy launch vehicle at Cowboy Space Corporation.

Cowboy Space Corporation Kent, Washington Published 20 hours ago
Flexible on stack
Cowboy Space Corporation

Join Cowboy Space Corporation as a Fluids Analyst to lead fluid system predictions and analysis for innovative space-based solar energy solutions.

Cowboy Space Corporation Kent, Washington $130k–$190k/yr Published 20 hours ago
Flexible on stack
K2 Space

Join K2 Space as a Senior Optical Systems Engineer to design and deploy innovative optical payloads for high-power satellites.

K2 Space Los Angeles, CA $110k–$280k/yr Published 4 months ago
SpaceX

Join SpaceX as a Sr. Power Electronics Engineer to design high-performance power systems for AI satellites in space.

SpaceX Bastrop, TX Published 1 month ago
AI-first team
Radiant

Join Radiant as a Nuclear Engineer to develop innovative solutions for portable nuclear microreactors in a fast-paced startup environment.

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

Drive high-impact modeling and performance analysis for satellite systems at Cowboy Space Corporation.

Cowboy Space Corporation Kent, Washington $115k–$145k/yr Published 1 week ago
Flexible on stack
Cowboy Space Corporation

Join Cowboy Space Corporation as an Electrical Engineer to design advanced communication systems for space-based applications.

Cowboy Space Corporation San Carlos, California $150k–$200k/yr Published 20 hours ago
Flexible on stack
Heron Power

Join Heron Power as a Mechanical Engineer Intern to design and develop innovative power electronics systems in a collaborative environment.

Heron Power Scotts Valley Published 3 months ago
Cowboy Space Corporation

Join Cowboy Space Corporation as a Technical Program Manager to drive launch vehicle programs and ensure seamless engineering coordination.

Cowboy Space Corporation Kent, Washington $157k–$184k/yr Published 1 week ago
Periodic Labs

Lead thin-film synthesis efforts in a groundbreaking lab where AI and automation unlock discoveries at unprecedented speed and scale.

Periodic Labs Menlo Park, CA $225k–$325k/yr Published 2 months ago
Cowboy Space Corporation

Join Cowboy Space Corporation as a Senior Mechanisms Engineer to design and validate critical vehicle mechanisms for space-based solar energy.

Cowboy Space Corporation Kent, Washington $150k–$180k/yr Published 1 week ago
Flexible on stack
Pacific Fusion

Join Pacific Fusion as a Senior Target Fabrication Engineer to manage precision assembly and project management for fusion energy targets.

Pacific Fusion San Leandro, CA $175.9k–$263.8k/yr Published 3 months ago
Periodic Labs

Join Periodic Labs as a Laboratory Operations & Maintenance Technician to support the development of an autonomous laboratory for materials discovery.

Periodic Labs Menlo Park, CA $100k–$140k/yr Published 3 months ago
AI-first team
Periodic Labs

Lead the development of EHS systems in a cutting-edge lab focused on AI-driven materials science.

Periodic Labs Menlo Park, CA $200k–$250k/yr Published 3 months ago
Cowboy Space Corporation

Join Cowboy Space Corp as an FPGA Engineer to design and implement cutting-edge optical communication systems for space applications.

Cowboy Space Corporation San Carlos, California $150k–$200k/yr Published 1 week ago
Cowboy Space Corporation

Join Cowboy Space Corporation as a Senior Mechanical Engineer to design and build spacecraft systems for reliable space operations.

Cowboy Space Corporation San Carlos, California $125k–$175k/yr Published 1 week ago
Flexible on stack
Cowboy Space Corporation

Own the hydrodynamic design of rocket engine turbopumps at Cowboy Space Corporation, a startup focused on space-based solar energy.

Cowboy Space Corporation Kent, Washington $170k–$250k/yr Published 20 hours ago