Nuclear Engineer

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Type One Energy Group is a mission‑driven company focused on commercializing fusion energy. The high‑field stellarator program aims to deliver affordable, sustainable fusion power using advanced manufacturing, computational physics, and strong‑field superconducting magnets.

Knoxville, TN

Highly competitive plus benefits

Permanent, full‑time

Director of Nuclear and Fuel Cycle

Type One Energy seeks a highly motivated Neutronics Engineer to support the design, construction, and licensing of high‑field stellarator systems. The role focuses on radiation transport analysis for near‑term Infinity One Project and long‑term Fusion Pilot Plant.

• Develop computational solutions for nuclear challenges in D‑D and D‑T fusion devices (radiation transport, damage, heating, activation, decay heat, shielding, dose).
• Perform neutron‑transport modeling, radiological engineering, nuclear design, and operational health physics.
• Use advanced transport tools to evaluate design choices (materials, geometry, conditions) on performance metrics.
• Research and analyze nuclear design strategies related to system performance, safety, and radiological waste.
• Collaborate cross‑functional teams to integrate neutronics and radiological considerations into product development.
• Provide realistic feedback on timelines, resource requirements, and issues to enable duty completion.

• Educational background in Nuclear Engineering, Physics, or related field.
• Fundamental understanding of nuclear and radiation physics, radiation transport, and radiation impacts on systems.
• Experience with Monte Carlo methods for neutron/photon transport (OpenMC, MCNP) and familiarity with SCALE, ORIGIN, GEANT4, FISPACT, ALARA, PyNE, CAD tools (Cubit) – preferred.
• Strong computational skills; experience programming Python in Linux environment.
• Experience with collaborative code development using Git Hub.
• Knowledge of nuclear codes, standards, and best practices.
• Excellent analytical and problem‑solving skills; ability to troubleshoot complex issues and propose innovative solutions.

• Stock and share options.
• Relocation allowance.
• Insurance plans.
• 401(k) retirement options.
• Other voluntary benefits.

Type One Energy is an equal‑opportunity employer. We value diversity and encourage all qualified applicants to apply. All applicants will be considered irrespective of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, age, or other protected characteristics.

Type One Energy Group remains committed to community engagement in the development and deployment of clean energy technology.