Mechanical Engineer

United StatesKearnyFull-timemid
EngineeringMechanical EngineerTrades & Skilled Labor
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Quick Summary

Overview

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.

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EngineeringMechanical EngineerTrades & Skilled Labor
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.  
 
Position Overview:
Thea Energy is looking for experienced, highly motivated mechanical engineers to join its rapidly growing team. Mechanical engineers will have ownership of the mechanical design and development of primary and secondary components and subsystems in the development of Thea Energy’s stellarator fusion systems. You will be responsible for the structural and thermomechanical design, manufacturability, analysis, development, and commissioning of these components. The Thea Energy team is comprised of driven, creative, and fun individuals passionate about solving complex problems.
  • Contribute to the design and development of primary and secondary mechanical fusion components and subsystems
  • Produce mechanical engineering designs, drawings, specifications, and parameters from first principals with appropriate tolerances for vendor quoting and manufacturing
  • Design tooling for assembly
  • Perform thermal, structural, and electromagnetic analysis and simulation using Ansys and COMSOL
  • Incorporate design for manufacturing principles and support first builds
  • Support the implementation of tooling and manufacturing
  • Design and execute qualification testing
  • Communicate and collaborate with internal and external stakeholders
  • Minimum of a bachelor’s degree in mechanical engineering, aerospace engineering, physics, or related fields
  • Experience designing, building, and commissioning custom systems
  • Experience in mechanical engineering using CAD software (e.g. Solidworks, CATIA, NX, etc.)
  • Experience specifying machining, welding, and/or fabrication requirements
  • Ability to decompose and solve complex problems
  • Ability to take initiative and guide the design and analysis of complex components and systems with the aid of peers and team members
  • Ability to execute and flourish in a fast-paced, rapidly changing environment
  • Familiarity with GD&T (ASME Y14.5) & Drawing Standards
  • Comfortable working to aggressive deadlines
  • Exceptional work ethic
  • Strong team member with clear communication and collaboration skills
  • Salary range $85,000-$150,000
  • Comprehensive health benefits (e.g. medical/dental/vision)
  • Employee equity stock options
  • 20 days PTO
  • Listing Details

    Posted
    November 23, 2025
    First seen
    March 26, 2026
    Last seen
    April 22, 2026

    Posting Health

    Days active
    27
    Repost count
    0
    Trust Level
    31%
    Scored at
    April 23, 2026

    Signal breakdown

    freshnesssource trustcontent trustemployer trust
    Thea.Energy
    Employees
    750
    Founded
    2022
    View company profile
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    Thea.EnergyMechanical Engineer