Senior Engineer- Fuel Cycle & Process Modelling

Type One Energy • Knoxville, TN

79d

About The Position

Type One Energy Group is mission-driven to provide sustainable, affordable fusion power to the world. Established in 2019 and venture-backed 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. If you are searching for the best new ideas and share our vision, join us as a “Senior Engineer- Fuel Cycle & Process Modelling”.

Requirements

• 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.

Responsibilities

• Drive the development, integration, and validation of advanced modeling frameworks for the fusion fuel cycle.
• Develop a team of modelers and analysts.
• Oversee the development of system-level and subsystem-level models.
• Ensure alignment with design, safety, and operational requirements.
• Establish robust modeling frameworks that integrate multiple simulation tools.
• Embed experimental and R&D data into modeling workflows.
• Ensure comprehensive digital accounting of tritium across the fusion plant.
• Serve as the responsible officer for a fuel cycle subsystem.
• Collaborate with cross-functional teams to conceptualize, design, and implement robust fuel cycle models.
• Conduct comprehensive process simulations and modeling.
• Develop a comprehensive roadmap for modeling tool development.
• Analyze data and perform in-depth research for process improvement.
• Prepare technical reports, mass and energy balances, scopes of work, presentations, and publications.
• Work closely with a multidisciplinary team of Scientists, Engineers, and Technicians.
• Collaborate with external partners to explore potential collaborations.
• Assist with the preparation of protocols and procedures for the safe handling of tritium.
• Provide transparent and realistic feedback on timelines, resource requirements, and issues.

Benefits

• Stock and share options
• Relocation allowance
• Insurance plans
• 401k retirement options
• Yearly bonus
• Voluntary benefits

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Ph.D. or professional degree
• Number of Employees: 51-100 employees