Antares

Reactor Operator

Idaho Falls. Posted 15 days ago

The role

The Reactor Operator supports the safe and effective operation of nuclear reactor systems through testing, startup, deployment, and ongoing operations. This role involves executing operational activities, supporting reactor experiments, and contributing to the development of procedures and training programs.

What you will do

  • Support the safe and efficient operation of reactor experiments and plant facilities.
  • Support nuclear training programs for operators and maintenance personnel.
  • Identify procedural, personnel, and program needs for reactor operations.
  • Uphold established standards for performance, safety, and operational excellence.
  • Support nuclear activities for Antares test and deployed reactors.
  • Participate in technical discussions, reviews, and working groups.
  • Provide observations and recommendations to engineering and program teams.
  • Obtain Reactor Operator qualifications.
  • Maintain accurate operational records.
  • Notify operations supervision when conditions fall outside approved procedures.

Required qualifications

  • 1+ years of experience in nuclear, aerospace, defense, or another highly regulated technical environment or completed stem degree.
  • Experience working across multiple disciplines to support complex systems or projects.
  • Ability to follow structured procedures and translate technical, regulatory, and operational requirements into assigned tasks.
  • Ability to work effectively in ambiguous, fast-paced environments.
  • Clear technical communication skills.
  • Ability to work long hours and weekends as necessary to support critical milestones.

Nice to have

  • BS, MS, or PhD in engineering, such as nuclear, mechanical, chemical, aerospace, or a related field.
  • Experience supporting reactor operations, startup, commissioning, or deployment.
  • Familiarity with nuclear safety and compliance programs.
  • Experience supporting customers, regulators, or external partners in technical settings.
  • Prior experience in the U.S. Navy nuclear program, national laboratories, or the commercial nuclear industry.

Before you apply

  • Must pass a medical evaluation under DOE O 426.2B and 10 CFR Part 55.
  • Must be a U.S. citizen or national, U.S. lawful permanent resident, Refugee, or Asylee, or be eligible to obtain required authorizations from the U.S. Department of State.

About the company

Antares is building mass-producible, inherently safe, deployable microreactors for terrestrial, underwater, and space use. The team hails from organizations including SpaceX, the White House, the Pentagon, and various national laboratories.