About Us At Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We’re fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate
Location El Segundo HQEmployment Type Full timeLocation Type On-siteDepartment Engineering Nuclear EngineeringCompensation $133.5K – $207.9K • Offers Equity Senior Nuclear Engineer Radiant is seeking a driven Senior Nuclear Engineer to join our team! You will own modeling methods and reactor physics
Radiant is seeking a driven Senior Nuclear Engineer to join our team! You will own modeling methods and reactor physics calculations of neutronics parameters such as reactivity, kinetics parameters, and energy deposition distributions used within our cutting-edge custom-made
A leading nuclear engineering firm in El Segundo seeks a Lead Nuclear Engineer to manage a team focused on design and analysis for nuclear microreactors. The ideal candidate has experience in nuclear engineering, a strong background in neutron transport, and proven
A leading technology company is seeking a driven Senior Nuclear Engineer to manage modeling methods and calculations for reactor physics, integral to their innovative Digital Twin simulation software. The candidate will verify assumptions and document results while supporting
About RadiantRadiant is an El Segundo, CA-based startup building the worlds first mass-produced, portable nuclear microreactors. The companys first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for
Pow.bio is seeking a highly motivated Nuclear Engineer at their El Segundo HQ. The successful candidate will develop nuclear engineering solutions for the Kaleidos microreactor, including areas such as radiation shielding and reactor physics modeling. Responsibilities include ownership of
Radiant is seeking a technical and people-oriented leader for our nuclear design and analysis group focused in areas such as core physics, shielding, instrumentation & controls, and reactor operations. You will lead a high-performing team through the
Radiant, an El Segundo, CA–based startup, seeks a Lead Nuclear Engineer to guide the nuclear design and analysis group on core physics, shielding, I&C, and reactor operations. You will own schedules, budgets, hiring, and milestones, driving safety, reliability, portability,
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass‑produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail‑safe microreactor that can be transported anywhere power is needed and run
Reactor Operations Engineer, Nuclear Radiant is a seeking a nuclear engineer responsible for designing and implementing nuclear-specific testing operations at our 2026 demonstration. You will be responsible for the design of a large portion of the test campaign, which includes providing
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run
About RadiantRadiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run
A leading engineering firm in California is seeking a driven Senior Nuclear Engineer to own modeling methods and reactor physics calculations critical for safety analysis. The ideal candidate will have a bachelors in nuclear engineering and over 4 years
Senior Nuclear Engineer Radiant is seeking a driven Senior Nuclear Engineer to join our team! You will own modeling methods and reactor physics calculations of neutronics parameters such as reactivity, kinetics parameters, and energy deposition distributions used within our cutting‑edge
Location El Segundo HQEmployment Type Full timeLocation Type On‑siteDepartment Engineering Nuclear EngineeringCompensation $106,500 – $146,475 • Offers Equity Nuclear Engineer Radiant is seeking a highly motivated nuclear engineer responsible for developing nuclear engineering solutions for our Kaleidos microreactor. This may include nuclear engineering
Lead Nuclear Engineer Radiant is seeking a technical and people-oriented leader for our nuclear design and analysis group focused in areas such as core physics, shielding, instrumentation & controls, and reactor operations. You will lead a high-performing team through
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run
Decisive Point in El Segundo, California, is seeking a driven Senior Nuclear Engineer to own modeling methods in reactor physics calculations. This role will involve performing neutronics parameters calculations and documenting methods for diverse audiences. Candidates should have