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Posted 26 days ago

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Physics Intern - Fall 2026

Kearny, NJOn-siteInternship

AI Summary

Thea Energy is hiring a Physics Intern for Fall 2026 to work on stellarator design and fusion energy research, conducting simulations, data analysis, and literature reviews under a senior physicist mentor, collaborating with engineers, and presenting findings at the end of the internship.

About this role

About Thea Energy:
Thea Energy is leveraging recent breakthroughs in stellarator physics and engineering to create a faster and simpler approach to commercializing fusion energy. The company is reinventing the stellarator using computer-controlled arrays of planar coils thereby replacing the intricate, complex modular magnets required in all other stellarator architectures. Thea Energy is on a mission to create a limitless source of zero emission energy for a sustainable future.

The Thea Energy physics team performs cutting-edge research in the areas of stellarator optimization, toroidal plasma confinement, plasma divertor and edge physics, plasma-materials interactions, and fusion neutronics. Thea Energy is looking for motivated interns to work with Thea physicists on projects relevant to these topic areas.

  • Take ownership of a dedicated research project within one of our core physics areas, guided by a senior physicist mentor.
  • Conduct literature reviews to guide initial project specifications.
  • Run simulations or analyze data to inform Thea Energy's stellarator design.
  • Collaborate directly with cross-functional teams of mechanical and electrical engineers.
  • Support engineering design reviews by translating physics modeling and simulation results into specifications.
  • Utilize project management tools to track tasks and long-term research goals.
  • Present your findings and project outcomes to the broader technical team at the conclusion of the internship.

Ideal Experience & Skillsets:

Candidates may be pursuing undergraduate, masters, or PhD degrees.
Ideal candidates would have experience in at least one of the following physics areas:
  • Plasma magnetohydrodynamic modeling
  • Plasma gyrokinetic modeling
  • Stellarator equilibrium and coil optimization
  • Plasma control
  • Energetic particle modeling
  • Plasma fluid modeling
  • Neutral particle Monte Carlo simulation
  • Plasma diagnostics
  • Plasma-material interaction
  • Neutron transport Monte Carlo simulation
  • Additionally, experience in the following technical areas are a plus:
  • Scientific computing
  • High-performance computing systems
  • Nonlinear constrained optimization
  • Machine learning
  • Data science
  • Git version control
  • Python programming language
  • Company Benefits:

    Compensation: $18-25/hr Undergraduate and $26-30/hr Post-graduate

    Requirements:

  • Ability to occasionally lift up to 50 lbs.
  • Ability to perform activities such as typing, standing, or sitting for extended periods of time.
  • Ability to work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, high voltage, high current, pressure systems, and cryogenics.
  • Skills

    Data ScienceEnergetic Particle ModelingGit / Version ControlHigh-performance Computing SystemsMachine LearningNeutral Particle Monte Carlo SimulationNeutron Transport Monte Carlo SimulationNonlinear Constrained OptimizationPlasma ControlPlasma DiagnosticsPlasma Fluid ModelingPlasma Gyrokinetic ModelingPlasma Magnetohydrodynamic ModelingPlasma-material InteractionPython (programming Language)Scientific ComputingStellarator Equilibrium And Coil Optimization

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