About the role#
This is a full-time, paid internship for Fall 2026. You will work on-site in Kearny, New Jersey, supporting our magnet assembly and test engineering efforts. Please note that we do not provide visa sponsorship for this position.
What you'll do#
- Write and update manufacturing and test documentation, such as standard operating procedures, work instructions, and quality criteria for HTS magnet assembly and testing.
- Design, prototype, and commission custom tooling, fixtures, and equipment.
- Collaborate with magnet designers and engineers to integrate shop floor feedback into future designs.
- Maintain virtual and physical inventory, manage assembly areas, and update manufacturing Bills of Materials.
- Assist with hardware procurement by evaluating vendor specifications and verifying that incoming parts meet quality standards.
- Track production metrics and progress against program milestones.
What you'll need#
- Current enrollment in a Bachelor or Master degree program for Mechanical Engineering, Aerospace Engineering, Materials Science, or a related field.
- A solid grasp of engineering drawings and spatial mechanics.
- Practical, hands-on experience with mechanical or electrical hardware design, build, and test projects.
- Familiarity with test control hardware and software like LabView, Python, and National Instruments.
- Experience with fabrication or assembly methods including machining, soldering, or bonded assemblies.
- Ability to lift up to 50 lbs and work in an industrial environment containing hazards like high voltage, cryogenics, and strong magnets.
Location & details#
- Location: Kearny, NJ (On-site)
- Term: Fall 2026
- Compensation: $21 - $25 per hour
About Thea Energy
Thea Energy develops fusion energy systems. The company uses arrays of mass-manufactured magnets and software controls to build these systems. It operates out of Kearny, New Jersey. Founded in 2022, the firm originated as a spin-out from the Princeton Plasma Physics Laboratory and Princeton University. It currently employs between 51 and 200 people.
How to get in at Thea Energy
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