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Nuclear Engineer

Hadron Energy

Develops transportable micro modular reactors for reliable carbon‑free power anywhere.

Design, analyze, and ensure safety of micro modular reactors at Hadron Energy.

17 days ago ago

Experienced (8-12 years), Intermediate (4-7 years), Expert & Leadership (13+ years)

Full Time

San Francisco Bay Area

Onsite

Company Size

10 Employees

Service Specialisms

Energy Consulting

Engineering

Renewable Energy

Project Management

Sustainability Services

Technical Services

Sector Specialisms

Energy

Industrial

Data Centers

Healthcare

Space

Transportation

Infrastructure

Role

Description

design

analysis

safety development

reactor physics

balance‑plant

team collaboration

You will work closely with our cross-functional team—including mechanical, electrical, and regulatory engineers—to support the design, analysis, and safety development of Hadron’s micro modular reactor. The role spans both core reactor physics and balance-of-plant engineering, with opportunities for hands-on design and innovation in a fast-paced startup environment.

Requirements

mcnp

serpent

thermal-hydraulics

monte carlo

phd

5+ years

Knowledge of nuclear safety analysis and regulatory frameworks
Strong analytical, communication, and teamwork skills
Experience with instrumentation and controls (I&C) and radiation monitoring systems
Familiarity with NRC licensing or DOE engagement is a plus
Proficiency in MCNP, Serpent, CASMO, SCALE, or PARCS for reactor physics analysis
Experience with Monte Carlo and deterministic simulation tools
Strong understanding of thermal-hydraulics and heat transfer
Bachelor's, Master's, or PhD in Nuclear Engineering or a related field
5+ years of experience in reactor core and neutronics design

Benefits

Information not given or found

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

Company

Overview

Two MWe

Energy Output

Develops compact, transportable reactors capable of producing 2 megawatts electric.

$500K

Seed Funding

Secured significant seed funding to advance its nuclear technology initiatives.

300 MW

Power Agreements

Signed contracts to supply power to data centers and industrial sites.

1 GW+

Future Capacity

Leveraging technology to meet large-scale power demands for industrial clients.

Develops patented Micro Modular Reactors (MMRs) producing 2 MWe from compact, transportable units.
Designs reactors that can be towed by a pickup and used for data centers, industrial sites, remote communities, and space missions.
Partnered with U.S. Department of Energy programs including GAIN and the HALEU Consortium.
Awarded "Most Innovative Company of the Year" by Startup Grind in mid-2025.

Culture + Values

We are driven by the belief that energy should be abundant, affordable, and sustainable for everyone.
Innovation and creativity are at the core of our company’s mission to accelerate the energy transition.
We take pride in providing solutions that address the critical energy challenges of today and tomorrow.
Collaboration and teamwork are essential for creating impactful and scalable energy solutions.

Environment + Sustainability

2050

Net Zero Commitment

Committed to achieving net zero carbon emissions by this target year.

Focus on advancing clean energy technologies that reduce environmental impact and promote sustainability.
Strategy includes development of energy solutions contributing to a low-carbon future.

Inclusion & Diversity

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