Physics Intern - Fall 2026

Posted 9 Days Ago
Be an Early Applicant
Kearny, NJ, USA
In-Office
18-30 Hourly
Internship
Hardware • Energy • Utilities • Renewable Energy
The Role
Conduct an independent fusion physics research project under senior mentorship. Responsibilities include literature reviews, simulations, data analysis, stellarator design support, collaboration with mechanical and electrical engineers, translating modeling results into engineering specifications, tracking research goals, and presenting findings. Projects may involve plasma confinement, stellarator optimization, divertor and edge physics, plasma-material interactions, diagnostics, energetic particles, or fusion neutronics.
Summary Generated by Built In
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.

It’s not necessary to meet all of the skillsets outlined above. Please feel free to send us a note and tell us why you would still be a great fit for this role or Thea Energy.  
  
Diversity and Inclusion:  
Thea Energy is an equal opportunity employer committed to creating a company of diverse backgrounds. By creating a diverse environment, we will bring new ideas and approaches to solving some of the world’s hardest (and most important) problems. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, sexual orientation, gender identity or expression, national origin, family or marital status, age, disability, veteran’s status, or other characteristic protected by applicable laws and regulations.

Skills Required

  • Currently pursuing an undergraduate, master's, or PhD degree
  • Experience in at least one relevant plasma or fusion physics area, such as stellarator optimization, plasma modeling, plasma control, diagnostics, plasma-material interactions, or neutron transport
  • Ability to occasionally lift up to 50 pounds
  • Ability to type, stand, or sit for extended periods
  • Ability to work around industrial hazards including heat, cold, noise, fumes, strong magnets, high voltage, high current, pressure systems, and cryogenics
  • Scientific computing experience
  • High-performance computing systems experience
  • Nonlinear constrained optimization experience
  • Machine learning or data science experience
  • Git version control experience
  • Python programming experience
Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
70 Employees
Year Founded: 2022

What We Do

Thea Energy is a fusion energy company dedicated to creating a limitless source of zero-emission energy for a sustainable future. By reinventing the stellarator using arrays of mass-manufacturable magnets and dynamic software controls, they aim to commercialize scalable and economical fusion power systems, transitioning from scientific research to practical, commercial operations.

Similar Jobs

Tapestry - Coach and Kate Spade Logo Tapestry - Coach and Kate Spade

Temporary Sales Support Associate

eCommerce • Fashion • Retail • Sales • Wearables • Design
Hybrid
Tinton Falls, NJ, USA
16000 Employees
15-20 Hourly

Tapestry - Coach and Kate Spade Logo Tapestry - Coach and Kate Spade

Temporary Sales Support Associate

eCommerce • Fashion • Retail • Sales • Wearables • Design
Hybrid
Elizabeth, NJ, USA
16000 Employees
15-20 Hourly

HiBob Logo HiBob

VP Payroll & Benefits (Services & Operations)

HR Tech • Information Technology • Professional Services • Sales • Software
Remote or Hybrid
US
1350 Employees
230K-290K Annually
Hybrid
2 Locations
289097 Employees

Similar Companies Hiring

Blissway Thumbnail
Computer Vision • Fintech • Hardware • Internet of Things • Machine Learning • Software • Transportation
Denver, CO
24 Employees
Fairly Even Thumbnail
Hardware • Robotics • Sales • Software • Hospitality
New York, NY
30 Employees
Revel.io Thumbnail
Aerospace • Hardware • Robotics • Software
US
50 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account