Fuel Cycle Modeling Engineer

Base Pay Range

$/yr - $/yr

Annual Bonus and Stock options

Hadron Energy specializes in Micro Modular Reactor (MMR) development, design, and research based in the San Francisco Bay Area. As the leading MMR developer, Hadron Energy is building factory-produced, transportable microreactors that provide 24/7 carbon-free power for data centers, government facilities, industrial sites, and remote communities. Our mission is to create a brighter, healthier, and more equitable energy future.

This is a full-time on-site role for a Fuel Cycle Modeling Scientist, based in the San Francisco Bay Area. The position is ideal for candidates with specialized expertise in nuclear fuel performance, isotopic depletion, and fuel cycle analysis who are passionate about optimizing the entire fuel lifecycle for an advanced reactor system.

You will work closely with our cross-functional team—including reactor physics, materials science, and regulatory engineers—to perform in-depth analysis and modeling of the fuel's behavior, depletion, and long-term performance. This role is focused on developing the fuel cycle strategy, optimizing fuel efficiency, modeling source terms, and ensuring safety throughout the entire lifecycle of Hadron's micro modular reactor.

• Bachelor's, Master's, or PhD in Nuclear Engineering
  , Materials Science
  , Physics
  , or a related field
• 5+ years of experience in nuclear fuel cycle analysis and fuel performance modeling
• Deep expertise in isotopic depletion and transmutation simulation tools
• Proficiency in codes such as SCALE (ORIGEN),
  Serpent
  , MCNP
  , or equivalent for fuel cycle and depletion analysis
• Strong understanding of nuclear fuel materials
  , radiation damage
  , and the thermal-mechanical behavior of fuel
• Experience with fuel performance codes (e.g.,
  BISON
  , FRAPCON
  ) is highly desirable
• Knowledge of spent nuclear fuel characteristics,
  waste management
  , and regulatory frameworks
• Familiarity with fuel fabrication or enrichment processes is a plus
• Strong analytical, communication, and teamwork skills
• Passion for clean energy and a startup-minded approach to problem-solving

Mid-Senior level

Full-time

• Engineering and Design
• Utilities, Energy Technology, and Manufacturing

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