Staff Multiphysics Modeler

Commonwealth Fusion Systems

Devens, Massachusetts

Full Time

Posted April 22, 2026

Not Specified

~64 people viewed this recently

Apply Now

Application opens on company website

Job Description

The Staff Multiphysics Modeler will develop simulation tools and workflows integrating multiphysics simulations with industrial process models to support the development and integration of fuel cycle systems for a fusion power plant, working closely with engineering teams to optimize system performance and understand requirements.

Key Responsibilities

Develop simulation toolkits and workflows integrating multiphysics simulations with industrial process models for fuel cycle systems.
Work closely with the tritium program and process engineering team to develop a fuel cycle model for the fusion power plant ARC.
Apply first-principles approaches to solve complex engineering problems related to heat and mass transport modeling.
Optimize device performance by tuning material parameters and performing non-dimensional analysis and integrated simulations.
Create and teach tools that enable others to independently perform modeling and simulations.

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 have the drive to build simulation toolkits and workflows that integrate first-principles multiphysics simulations with industrial process models.
The candidate must be able to optimize devices by tuning material parameters and appreciate simple non-dimensional analysis and rigorous integrated simulations.
The candidate must enjoy teaching and building tools that others can use independently.
The role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information, specifically Export Control Laws.