Senior Multiphysics Modeler
Commonwealth Fusion SystemsDevens, Massachusetts
Full Time
Posted December 2, 2025
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Job Description
The Senior Multiphysics Modeler will develop simulation tools and workflows to support the design and integration of fuel cycle systems for a fusion power plant, focusing on heat and mass transport modeling and process simulation within a multidisciplinary team.
Key Responsibilities
- Develop simulation toolkits and workflows integrating first-principles multiphysics simulations with industrial process models for fuel cycle systems.
- Collaborate with the tritium program and process engineering team to develop a fuel cycle model for the fusion power plant ARC.
- Apply heat and mass transport modeling expertise to optimize device performance through material parameter tuning.
- Build and teach tools that enable independent use by team members.
- Apply first-principles approaches to solve complex engineering problems related to fusion technology.
- Conduct cost-benefit analyses to evaluate the economics of proposed solutions.
- Work within multidisciplinary teams to generate effective solutions for complex engineering challenges.
Requirements
- Applicants must have a degree in a relevant engineering or science discipline.
- Applicants must have experience in process modeling and programming.
- Applicants must have a demonstrated ability to apply a first principles approach in solving complex engineering problems.
- Applicants must have experience conducting cost-benefit analyses to evaluate the economics of proposed solutions.
- Applicants must have demonstrated success working on engineering projects in multi-disciplinary teams generating effective solutions to complex problems.
- The candidate must be an expert in heat and mass transport modeling.
- The candidate must know the power of optimizing devices by tuning material parameters.
- The candidate must appreciate a simple non-dimensional analysis and rigorous integrated simulations as the problem space requires.
- The candidate must enjoy teaching and building tools that others can use independently.
Benefits & Perks
Work schedule: Hybrid work environment
Work environment perks: Fast-paced environment, diverse perspectives, inclusive culture
Additional benefits: Commitment to diversity and equal opportunity employment, compliance with export control laws
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