Senior NBI Scientist & Accelerator Physicist - Equity

Realta Fusion; Madison (WI); On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

Equity stock options

Health, dental, vision insurance

401(k)

Flexible PTO

Live in Madison

Job summary

Realta Fusion in Madison, WI, invites a Senior NBI Scientist (Accelerator Physicist) to lead beam-physics execution for cutting-edge neutral beam injector systems. You will design, test, and optimize NBI components, analyze results, and guide system improvements with cross-functional teams.

You will mentor junior NBI scientists, translate modeling into engineering recommendations, and shape accelerator performance for Realta’s ambitious fusion program.

Qualifications

• PhD or equivalent in accelerator physics, charged-particle beams, or a closely related field.
• Strong knowledge of beam optics, extraction physics, perveance, emittance/divergence, electrostatic acceleration, and high-current beam transport.
• Experience with accelerator grids, multi-aperture systems, magnetic transport, stripping/reionization, or neutral beam systems is desirable.
• Ability to independently perform calculations, modeling, parameter scans, and design trades translating results into engineering recommendations.
• Hands-on experience with beam diagnostics, testing, or accelerator commissioning is preferred.

Responsibilities

• Conduct detailed Narsil extraction, acceleration, and beam-transport analysis, including modeling and evaluation of ion extraction and beam performance.
• Provide beam-physics analysis and design-trade support for Hammir, evaluating concepts and operating parameters.
• Develop and improve accelerator and beam-physics modeling tools and document methods and results.
• Mentor NBI Scientists, reviewing analyses and helping develop beam modeling capabilities.

Skills

PhD in accelerator physics

Beam optics

High-current beam transport

Numerical modeling

Education

PhD in accelerator physics or closely related field

Job description

Realta Fusion in Madison, WI, invites a Senior NBI Scientist (Accelerator Physicist) to lead beam-physics execution for cutting-edge neutral beam injector systems. You will design, test, and optimize NBI components, analyze results, and guide system improvements with cross-functional teams.

You will mentor junior NBI scientists, translate modeling into engineering recommendations, and shape accelerator performance for Realta’s ambitious fusion program.