Director - Nuclear Engineering

United StatesKearnyFull-timeexecutive
OtherDirector
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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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OtherDirector
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 hiring for a Director - Nuclear Engineering to lead our nuclear engineering team. This role will orchestrate the nuclear design and safety parameters essential to our first-of-a-kind integrated fusion system. You will be responsible for effectively leading and managing the day-to-day nuclear engineering program. Your efforts will directly contribute to the organization's success by ensuring safe, compliant, and efficient nuclear designs. Thea Energy’s dynamic team is made up of self-motivated individuals with an excitement for solving complex problems.
  • Lead and grow a world-class team of nuclear engineers working on the cutting edge of commercial fusion power technology.
  • Direct the nuclear design of fusion systems, including blanket, shield, bioshield, and fuel cycle.
  • Manage the nuclear aspects of the system facility, including tracking and engineering the cascade of high-energy particles, managing activation products, and calculating dose rates.
  • Interface all aspects of safety, regulatory compliance, and environmental standards for the fusion device and facility.
  • Build organizational capabilities by recruiting and retaining talent, mentoring, and fostering professional growth.
  • Proactively collaborate and communicate with engineering system owners to prioritize and align development and execution with design schedules.
  • Be accountable for the quality and accuracy of the team's nuclear engineering work, reports, and presentations.
  • MS or PhD in nuclear engineering.
  • 15+ years of work experience in nuclear engineering or a similar technical field.
  • Proven leadership experience in cutting-edge nuclear projects, such as fission reactor projects (e.g. small modular reactors, molten salt reactors, fast reactors, Gen-IV reactors) or accelerator projects.
  • Demonstrated experience thriving in a startup environment, with a track record of successfully building and managing teams.
  • Strong analytical skills and an understanding of the first principles of engineering.
  • A proven ability to motivate and catalyze teams into action through influence and strong leadership.
  • Excellent oral, written, and interpersonal communication skills, with the ability to translate complex business needs into technical solutions.
  • Salary range: $160,000-$230,000
  • Comprehensive health benefits (e.g. medical/dental/vision)  
  • Employee equity stock options  
  • 20 days PTO
  • Listing Details

    Posted
    March 1, 2026
    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.EnergyDirector - Nuclear Engineering