"high energy" Jobs

2942 open tech roles matching “high energy”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, AI/ML, AI. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 2942 results

Pacific Fusion

Join Pacific Fusion as a Mechanical Design Engineer to design and validate components for advanced fusion energy systems.

Pacific Fusion San Leandro, CA $138.1k–$263.8k/yr Published 4 months ago
Valar Atomics

Lead the instrumentation, control, and electrical architecture for a high-temperature nuclear power conversion system at Valar Atomics.

Valar Atomics Torrance, California, United States $225k–$300k/yr Published 2 months ago
Heron Power

Join Heron Power as an intern to support the design and validation of magnetic components in advanced power electronics systems.

Heron Power Scotts Valley Published 6 months ago
Heron Power

Lead the EHS function at Heron Power, driving safety culture and regulatory compliance in a fast-scaling hardware startup.

Heron Power Scotts Valley Published 2 months ago
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 2 weeks ago
Inertia

Join Inertia as an Optics Manufacturing Development Engineer to scale optical components for the world's first fusion power plant.

Inertia Livermore $165k–$225k/yr Published 1 month ago
Cowboy Space Corporation

Design and develop fluid system hardware for propulsion and thermal management in a pioneering space energy company.

Cowboy Space Corporation Kent, Washington $120k–$150k/yr Published 2 days ago
Cowboy Space Corporation

Lead the design and development of power conversion systems for next-generation data center infrastructure at Cowboy Space Corporation.

Cowboy Space Corporation San Carlos, California $155k–$245k/yr Published 2 days ago
Cowboy Space Corporation

Join Cowboy Space Corporation as a Fluids Engineer Level 1 to design and validate critical fluid systems for space-based solar energy.

Cowboy Space Corporation Kent, Washington $100k–$135k/yr Published 2 days ago
Flexible on stack
SpaceX

Join SpaceX as a Data Center Safety Engineer to ensure safety controls in the expansion of AI infrastructure in Memphis.

SpaceX Memphis, TN Published 4 weeks ago
The Exploration Company

Join The Exploration Company as a Power Electronics Control Engineer to lead control strategies for innovative aerospace propulsion systems.

The Exploration Company Munich, Germany Published 1 month ago
Cowboy Space Corporation

Join Cowboy Space Corporation as a Senior Battery Engineer to develop high-performance energy storage solutions for spacecraft.

Cowboy Space Corporation San Carlos, California $167k–$230k/yr Published 2 days ago
Flexible on stack
Proxima Fusion

Lead procurement for integrated systems in a fast-growing fusion company, shaping the supply chain for advanced engineering projects.

Proxima Fusion Munich Published 1 month ago
Cowboy Space Corporation

Design and implement thermal management solutions for space-based power and compute platforms at Cowboy Space Corporation.

Cowboy Space Corporation San Carlos, California $150k–$200k/yr Published 2 weeks ago
Proxima Fusion

Lead global communications for Proxima Fusion, shaping public perception and media engagement for a pioneering fusion energy company.

Proxima Fusion Munich Published 1 month ago
Crux

Lead execution of tax equity and preferred equity investments in a remote-first team focused on clean energy finance.

Crux Remote (US) $300k–$500k/yr Published 4 weeks ago
Crux

Join Crux as a Principal to build and execute institutional capital relationships in the clean energy sector.

Crux Remote (US) $300k–$500k/yr Published 3 weeks ago
hyperexponential

Join hyperexponential as a Customer Marketing Associate to shape customer narratives and drive engagement in the insurance industry.

hyperexponential London (hybrid) Published 2 weeks ago
Cowboy Space Corporation

Join Cowboy Space Corp as a Senior Mechanisms Engineer to lead gimbal mechanism development for innovative laser communications payloads.

Cowboy Space Corporation San Carlos, California $152k–$220k/yr Published 2 days ago