Physicist Jobs in Sun Prairie, WI (NOW HIRING)

Join us in our mission to commercialize fusion energy
About Type One Energy
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 ". This is what you need to know:
Location: Knoxville TN, Madison WI or Vancouver BC
Salary: Highly Competitive Plus Benefits
Contract: Permanent, full time
Reporting to: Senior Director of Physics Analysis
Your role in the mission:
Type One Energy is seeking Computational Physicists to contribute to the development of high-fidelity models and simulations supporting stellarator design and operation. These roles will focus on predictive modeling of plasma behavior across core, edge, and boundary regions, enabling data-driven design decisions and advancing fusion performance.
This is an opportunity to work at the intersection of theory, simulation, and engineering, contributing directly to the realization of commercial fusion energy.
You will work closely with Engineers and Scientists and will also be responsible for:

• Developing and execute integrated modeling frameworks to simulate and predict plasma operational scenarios
• Performing plasma profile and fusion performance predictions using gyrokinetic turbulence simulations and reduced models
• Contribute to the development and validation of simulation tools for divertor and boundary plasma physics
• Support integrated core-edge modeling and analysis to evaluate plasma performance and stability
• Model a range of plasma phenomena, including:
• • Neoclassical transport
  • Energetic particle transport
  • Plasma-neutral interactions and boundary physics
  • MHD equilibrium and stability
  • Pellet fueling
  • Electron cyclotron heating (ECH)
• Collaborate cross-functionally with engineering teams to provide physics-based insights that inform system design and optimization
• Analyze simulation outputs and experimental data to validate models and improve predictive capability
• Document findings through technical reports, presentations, and peer-reviewed publications

What you'll need:

• PhD in Plasma Physics, Computational Physics, Nuclear Engineering, or a related field
• Strong background in plasma physics theory and numerical simulation methods
• Experience with one or more of the following:

Gyrokinetic simulation codes
MHD equilibrium and stability tools
Edge/divertor modeling simulation code experience
Integrated modeling codes

• Proficiency in scientific programming (e.g., Python, C++, Fortran) and high-performance computing (HPC) environments
• Experience with data analysis and visualization tools
• Demonstrated ability to work in collaborative, multidisciplinary teams

Preferred Qualifications

• Experience with stellarator physics and optimization
• Familiarity with core-edge coupling and integrated simulation workflows
• Prior involvement in fusion experiments or large-scale simulation projects
• Track record of peer-reviewed publications in relevant fields

We offer:
In addition to a basic salary and yearly bonus, you will also get...

• A hybrid work policy
• Stock options
• Relocation allowance
• Insurance plans
• Retirement options
• And many more great voluntary benefits

Type One Energy applies proven advanced manufacturing methods, modern computational physics and high-field superconducting magnets to develop its optimized stellarator fusion energy system. Our FusionDirect development program pursues the lowest-risk, shortest-schedule path to a fusion power plant over the coming decade, using a partner-intensive and capital-efficient strategy.
Type One Energy is committed to community engagement in the development and deployment of its clean energy technology. For more information, visit www.typeoneenergy.com or follow us on LinkedIn.
Export Control Compliance Notice
This position may require access to technology, technical data, software, or other information that is subject to U.S. export control laws and regulations. Any offer of employment will be contingent upon the Company's ability to comply with applicable U.S. Export Control Laws, including obtaining any required government authorizations.
Type One Energy is a Global, U.S.-based company that develops and utilizes technologies subject to U.S. export control and trade compliance regulations. Certain positions may require access to controlled technologies, technical data, software, or other information regulated by U.S. Export Control Laws.
For positions involving access to export-controlled technology or information, the Company may be required to determine whether any government authorization or license is needed before such access can be provided. Any offer of employment for such positions may be contingent upon the Company's ability to comply with applicable U.S. Export Control Laws and obtain any required government authorizations.
U.S. Employment Eligibility Verification
For positions based in the United States, Type One Energy participates in E-Verify and verifies the identity and employment authorization of newly hired employees in accordance with applicable federal law. Employees hired to work in the United States will be required to complete the Form I-9 employment eligibility verification process upon hire.
Equal Employment Opportunity
Type One Energy is an equal opportunity employer. Employment decisions are made based on qualifications, merit, business needs, and compliance with applicable laws and regulations.
Candidate Privacy
Type One Energy collects personal information from applicants for recruitment, hiring, and related business purposes. We process applicant information in accordance with applicable privacy and data protection laws and take reasonable measures to protect the confidentiality and security of personal information. By applying for a position, you acknowledge that your personal information may be collected, used, stored, transferred, and disclosed as necessary to evaluate your candidacy, conduct pre-employment screenings where permitted by law, and comply with legal and regulatory requirements.