Manufacturing Engineering Intern - Fall 2026

Posted 4 Days Ago
Be an Early Applicant
Kearny, NJ, USA
In-Office
25-25 Hourly
Internship
Hardware • Energy • Utilities • Renewable Energy
The Role
Support manufacturing engineering for HTS magnet assemblies: create and update SOPs, assist tooling/prototyping/commissioning, manage BOMs and inventory, evaluate vendor parts, track production metrics, and work with designers to incorporate shop-floor lessons. Also assist with basic IT/device support and documentation for employees.
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. 

Ideal Experience & Skillsets:

  • Currently pursuing a Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, Materials Science, or a related technical field.
  • Strong foundational understanding of engineering drawings and spatial mechanics (exposure to GD&T is a major plus).
  • Hands-on project experience (e.g., Formula SAE, rocketry club, robotics club, etc.) involving mechanical or electrical hardware design, build, and test.
  • Direct experience with fabrication or assembly processes such as machining (hand tools, manual mill, CNC), fastened and bonded assemblies, soldering, etc.
  • Familiarity with CAD software (e.g., SolidWorks, NX).
  • Ability to work through and solve highly multidisciplinary engineering problems
  • Ability to take initiative, work independently and as part of a team
  • Exceptional work ethic, with clear communication and collaboration skills

Company Benefits:

  • Salary range $25/hour

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.

Key Responsibilities:

  • Assist in generating and updating manufacturing documentation, including standard operating procedures (SOPs), work instructions, and quality criteria for HTS magnet assembly.
  •  Support design, prototyping, and commissioning of custom manufacturing tooling, fixtures, and equipment.
  • Work alongside magnet designers and manufacturing engineers to incorporate "lessons learned" from the shop floor into future designs.
  • Manage virtual and physical inventory, organize assembly areas, and update manufacturing Bills of Materials (BOMs).
  •  Assist hardware procurement, evaluating vendor specs, and ensuring incoming parts meet quality standards.
  • Track production metrics, test results, and progress against critical program milestones.

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 a Bachelor's or Master's degree in Mechanical Engineering, Aerospace Engineering, Materials Science, or related technical field.
  • Strong foundational understanding of engineering drawings and spatial mechanics.
  • Exposure to GD&T.
  • Hands-on project experience with mechanical or electrical hardware design, build, and test (e.g., Formula SAE, rocketry, robotics).
  • Direct experience with fabrication or assembly processes such as machining (hand tools, manual mill, CNC), fastened and bonded assemblies, soldering.
  • Familiarity with CAD software (e.g., SolidWorks, NX).
  • Ability to work through and solve highly multidisciplinary engineering problems; take initiative and work independently and in teams.
  • Clear communication and collaboration skills and exceptional work ethic.
  • Ability to occasionally lift objects up to 50 lbs.
  • Ability to perform typing, standing, or sitting for extended periods of time.
  • Ability to work in a facility with industrial hazards (heat, cold, noise, fumes, strong magnets, high voltage/current, pressure systems, cryogenics).
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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.

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