Senior R&D Electromagnetic Analysis Engineer R&D SPARC R&D Devens, MA Devens, MA Full-time 110000 - 185000 About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers and suppliers to build the energy industry of the future. We’re in the best position to make it happen. Since 2018, we’ve raised nearly $3 billion in capital, making us the largest and leading private fusion company in the world. Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team. If that’s you and this role fits, we want to hear from you. Join the power movement as a Senior R&D Electromagnetic Analysis Engineer The R&D team’s mission at CFS is to vet potential technical solutions in order to guide the overall SPARC subsystem design, and plan for the technology needs of future fusion power plants and spin-off projects. The Electromagnetics Analysis Engineer within the R&D team will perform electromagnetic (EM) analysis of superconducting magnets using finite element and other methods. This analysis includes the non-linear, anisotropic behavior of high-temperature superconductors (HTS) in both insulated and non-insulated magnet systems. Incorporating complex multi-physics (heat transfer, fluids, mechanics, etc) system behavior into simplified, elegant network circuit and/or FEA models are also crucial to modelling the multi-physics behavior of superconducting magnets. The Electromagnetics Analysis Engineer will also work with a team of experimentalists and engineers to validate simulations against experimental data. Familiarity with both commercial finite element analysis software packages and developing custom in-house code in python and extensions of commercial packages is necessary. This work is conducted within a multi-disciplinary team of physicists and engineers. Participation and clear, concise communication in design and test activities is necessary to both inform design decisions and correlate models to experiment. Join the power movement as a Senior R&D Electromagnetic Analysis Engineer The R&D team’s mission at CFS is to vet potential technical solutions in order to guide the overall SPARC subsystem design, and plan for the technology needs of future fusion power plants and spin-off projects. The Electromagnetics Analysis Engineer within the R&D team will perform electromagnetic (EM) analysis of superconducting magnets using finite element and other methods. This analysis includes the non-linear, anisotropic behavior of high-temperature superconductors (HTS) in both insulated and non-insulated magnet systems. Incorporating complex multi-physics (heat transfer, fluids, mechanics, etc) system behavior into simplified, elegant network circuit and/or FEA models are also crucial to modelling the multi-physics behavior of superconducting magnets. The Electromagnetics Analysis Engineer will also work with a team of experimentalists and engineers to validate simulations against experimental data. Familiarity with both commercial finite element analysis software packages and developing custom in-house code in python and extensions of commercial packages is necessary. This work is conducted within a multi-disciplinary team of physicists and engineers. Participation and clear, concise communication in design and test activities is necessary to both inform design decisions and correlate models to experiment. #LI-Onsite At CFS, we excel in fast-paced environments, driven by our values of integrity, execution, impact, and self-critique. As we grow, we’re eager to bring on mission-driven folks who offer diverse perspectives and fresh ways to tackle challenges. We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law. This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, “Export Control Laws"). Any offer of employment will be contingent on the need for compliance with such Export Control Laws. What you'll do:

Perform electromagnetic analysis of superconducting magnets and inform design decisions

Work with experimental teams on instrumentation, measurement, and correlation of experiment to analysis

Develop new numerical tools, as needed, to facilitate multi-objective design optimization of high-temperature superconducting magnets

Perform non-linear, highly-anisotropic E&M simulations in complicated geometries

Identify enabling technologies in the modeling and construction of high-temperature superconducting magnets

Prepare reports and presentations as necessary

Mentor and guide new members of the team in magnet design and analysis as necessary

What we’re looking for:

At least a Bachelor’s Degree in electrical engineering or another relevant field with an EM background (physics, mechanical engineering, etc.)

7+ years of experience modeling electromagnetics using finite element method

A strong background and theoretical understanding of computational electromagnetic analysis

Experience modeling non-linear physics

Experience with commercial finite element tools. COMSOL preferred

The ability to customize commercial finite element tools or develop new in-house codes in modern programming languages such Python/MATLAB/C/C++

Able to quickly grasp experimental setups and analyze data to validate models

An ability to clearly express and critique ideas

Ability to innovate towards solutions to complex problems

An emphasis on elegance and simplicity over complexity

A drive towards commercially viable solutions

A history of thriving in fast-paced, dynamic environments

Values that align with our company’s values of integrity, execution, impact, and self-critique

Bonus points for:

Multi-physics FEM modeling with electromagnetics, heat transfer, mechanics, fluids, structures, etc.

Experience working with superconducting non-linear physics

Developing equivalent thermal and electrical circuit models

Familiarity with agentic coding tools and best practices

Must-have requirements:

Perform activities such as sitting for extended periods of time

Dedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics

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