Senior Engineer - Fuel Cycle & Process Modelling
Type One Energy Group is mission‑driven to provide sustainable, affordable fusion power to the world. Established in 2019 and venture‑back‑ed in 2023, the company is led by a team of globally recognized fusion scientists with a strong track record of building state‑of‑the‑art stellarator fusion machines, together with veteran business leaders experienced in scaling companies and commercializing energy technologies.
Location
Knoxville (TN), Oxford (United Kingdom)
Salary
Highly Competitive Plus Benefits
Contract
Permanent, full time
Reporting to
Director, Nuclear & Fuel Cycle Engineering
Role Overview
Senior Engineer‑ Fuel Cycle & Process Modelling to drive the development, integration, and validation of advanced modeling frameworks for the fusion fuel cycle. This role is critical to shaping the architecture and performance of our Infinity 2 stellarator reactor and future commercial systems.
Responsibilities
* Serve as 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.
Qualifications
* 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
Equal Opportunity Statement
Type One Energy is an equal opportunity employer. We value diversity, searching for the best new ideas and remaining open to unique perspectives. Therefore, all qualified applicants will receive consideration for employment independent of race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other characteristics protected by applicable federal, state, or local laws. All qualified individuals are encouraged to apply.
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