Type One Energy · 5 days ago
Senior Engineer- Fuel Cycle & Process Modelling
Knoxville, TN
Full-time
Onsite
Senior LevelType One Energy is a mission-driven company focused on providing sustainable fusion power. They are seeking a Senior Engineer- Fuel Cycle & Process Modelling to lead the development of advanced modeling frameworks for the fusion fuel cycle, ensuring alignment with design and operational requirements.
Clean EnergyEnergyNuclear
Responsibilities
Serve as the responsible officer for a fuel cycle subsystem, ensuring clear development pathways and efficient, streamlined system designs
Collaborate with cross-functional teams to conceptualize, design, and implement robust fuel cycle models and address key requirements for the modelling development team
Conduct comprehensive process simulations and modelling to assess the efficiency, feasibility, and safety of your responsible subsystem
Apply modelling expertise to simulate the behavior of key subsystems and support iterative refinement of the fuel cycle architecture
Develop a comprehensive roadmap for modeling tool development, outlining the timeline, technical requirements, funding needs, and resource allocations necessary to support the growth and integration of modeling capabilities across the fuel cycle program
Analyze data and perform in-depth research to identify areas for process improvement and optimization, aiming for enhanced efficiency and tritium control for all subsystems
Prepare technical reports, mass and energy balances, scopes of work, presentations, and publications to disseminate research/technology development findings and contribute to the scientific community
Work closely with a multidisciplinary team of Scientists, Engineers, and Technicians to foster a collaborative environment and integrate tritium considerations into product development
Collaborate with external partners, including academic institutions, research organizations, and industry partners, to explore potential collaborations and stay at the forefront of fusion technologies
Assist with the preparation of protocols and procedures for the safe handling of tritium for experiments pertaining to your subsystem
Be accountable for the quality and accuracy of work
Provide transparent and realistic feedback on timelines, resource requirements, and issues to enable the timeline completion of assigned duties
Qualification
Required
PhD or equivalent experience in Nuclear Engineering, Systems Engineering, Physics, or a related field
Proven track record in modeling complex nuclear or chemical systems, ideally within the fusion or advanced fission domain
Deep understanding of tritium and hydrogen isotope behavior, fuel cycle dynamics, and reactor systems integration
Proficiency in modeling tools such as Aspen Plus, COMSOL, FESTIM, TMAP, MATLAB, or Python-based platforms
Experience leading technical teams and managing multi-disciplinary modeling efforts
Strong analytical and problem-solving skills, with a focus on model accuracy, validation, and decision support
Familiarity with nuclear safety standards, regulatory frameworks, and design control processes
Excellent communication skills and the ability to translate complex technical concepts for diverse audiences
Benefits
Stock and share options 📈
Relocation allowance 💰
Insurance plans 🩺
401k retirement options 💸
And many more great voluntary benefits 👀
Company
Type One Energy
Stellarator technology to transform energy markets with fusion power.
Founded in 2019
51-200 employees
H1B Sponsorship
Type One Energy has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3)
2023 (1)
Funding
Current Stage
Growth StageTotal Funding
$82.5MKey Investors
Breakthrough Energy VenturesUS Department of Energy
2024-07-30Seed· $53.5M
2023-05-31Grant
2023-03-28Seed· $29M
Leadership Team
David Anderson
Co-Founder and VP - Systems Engineering
Chris Hegna
VIce President of Stellarator Physics Optimization and Principal Scientist
Recent News
2025-09-20
2025-09-19
Company data provided by crunchbase