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Antares

Nuclear Engineer I/II

Los Angeles$120k–$160kfulltimemidAdded today

About this role

Antares is seeking a Nuclear Engineer to take ownership of key reactor design components including reactivity controls, shielding, fuels, and thermal hydraulics. You'll conduct neutronics simulations, support multiphysics analyses, and collaborate with senior engineers to develop inherently safe, mass-producible microreactors for terrestrial, underwater, and space applications.

What you'll do

  • Perform neutronics modeling and simulations using MCNP, Serpent, or SCALE
  • Support multiphysics analyses including thermal-hydraulics, heat transfer, and structural mechanics
  • Participate in experimental validation of simulation results
  • Collaborate with senior engineers on iterative design tasks
  • Contribute to documentation and regulatory reporting
  • Participate in hardware demonstrations and prototype testing

What they're looking for

  • Neutron transport software (MCNP, Serpent, SCALE)
  • Multiphysics modeling
  • Python or similar programming language
  • Thermal-hydraulics analysis
  • Technical communication
  • Fast-paced problem-solving
  • Quick conceptual learning
  • Advanced reactor design knowledge

Benefits

  • Competitive salary: $120k-165k based on level and experience
  • Work on advanced nuclear microreactor technology
  • Collaborate with talent from SpaceX, MIT, national laboratories
  • Over $130M in venture capital funding and $13M+ government contracts
  • Team-oriented, mission-driven culture
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