Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Lead Nuclear Engineer — Portable Microreactor Design

Radiant

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, and performance for the Kaleidos microreactor. You will mentor engineers, collaborate with cross‑functional teams, and ensure engineering first principles guide multi‑disciplinary work. #J-18808-Ljbffr Radiant

Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Lead Nuclear Engineer — Portable Microreactor Design in El Segundo, CA vacancy
  • $161.29k - $223.65k

     ...first mass-produced, portable nuclear microreactors. The company...  ...-megawatt, fail-safe microreactor that can be...  ...leverages modern software engineering to rapidly deliver safe...  ...is seeking a Lead Nuclear Engineer to provide...  ...leadership within the nuclear design and analysis... 
    Suggested
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Shift work

    Radiant Industries

    El Segundo, CA
    1 day ago
  • $173k - $237.3k

     ...first mass-produced, portable nuclear microreactors. The company...  ...-megawatt, fail-safe microreactor that can be...  ...leverages modern software engineering to rapidly deliver safe...  ...to organize nuclear design and analysis strategy...  ...& Duties:Lead and grow a team of nuclear... 
    Suggested
    Full time
    Summer work
    Immediate start
    Remote work
    Relocation
    Flexible hours
    Shift work
    Weekend work

    Radiant Industries

    El Segundo, CA
    4 days ago
  • $140.5k - $202.48k

     ...first mass-produced, portable nuclear microreactors. The company...  ...-megawatt, fail-safe microreactor that can be...  ...leverages modern software engineering to rapidly deliver safe...  ...beginning in 2028.Lead Nuclear Materials EngineerRadiant...  ...future reactor designs and buildsDeliver... 
    Suggested
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    3 days ago
  • $106.5k - $146.48k

     ...first mass-produced, portable nuclear microreactors. The company...  ...-megawatt, fail-safe microreactor that can be...  ...leverages modern software engineering to rapidly deliver safe...  ...and instrumentation design and qualification for...  .... You will lead and own instrumentation... 
    Suggested
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    1 day ago
  • $139.5k - $196.88k

     ...first mass-produced, portable nuclear microreactors. The company...  ...-megawatt, fail-safe microreactor that can be...  ...leverages modern software engineering to rapidly deliver safe...  ...Engineer to lead thermal-hydraulics and...  ...directly informs core design, cooling systems, and... 
    Suggested
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    1 day ago
  •  ...first mass‑produced, portable nuclear microreactors. The company...  ...1-megawatt, fail‑safe microreactor that can be...  ...leverages modern software engineering to rapidly deliver safe...  ...technical and people‑oriented Lead Nuclear Engineer for our nuclear design and analysis group... 
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant

    El Segundo, CA
    1 day ago
  • Radiant is seeking a Lead Nuclear Materials Engineer to lead the nuclear materials team in developing and qualifying materials for the Kaleidos 1MWe...  ...testing, and cross-functional collaboration with design and operations teams. The ideal candidate has hands-on lab... 

    US Health Partners, LLC

    El Segundo, CA
    3 days ago
  • Radiant, based in El Segundo, CA, is seeking a Lead Nuclear Materials Engineer to guide Radiant’s nuclear materials team in the development, testing...  ...program end‑to‑end, mentor engineers, liaise with design and operations, and present to regulators. This 100% onsite... 

    Radiant

    El Segundo, CA
    2 days ago
  • $150.5k - $207.9k

     ...first mass-produced, portable nuclear microreactors. The company...  ...-megawatt, fail-safe microreactor that can be...  ...leverages modern software engineering to rapidly deliver safe...  ...is seeking a Lead Test Engineer, Power...  ...iterate quickly on our designs evaluating vibration,... 
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    3 days ago
  • $173k - $237.3k

     ...first mass-produced, portable nuclear microreactors. The company...  ...-megawatt, fail-safe microreactor that can be...  ...leverages modern software engineering to rapidly deliver safe...  ...to organize nuclear design and analysis strategy...  ...& Duties: Lead and grow a team of nuclear... 
    Full time
    Summer work
    Work at office
    Immediate start
    Remote work
    Relocation
    Flexible hours
    Shift work
    Weekend work

    Radiant Industries

    El Segundo, CA
    26 days ago
  • Radiant, an El Segundo, CA-based startup, seeks a Staff Nuclear Engineer to provide expert nuclear design and analysis for Kaleidos. You will own multidisciplinary workstreams from requirements through verification, validation, testing, and regulatory documentation. The... 

    Speedrun Talent Network

    El Segundo, CA
    3 days ago
  • Decisive Point is seeking a Reactor Operations Engineer in El Segundo, CA, to manage and design procedures for groundbreaking nuclear microreactor technology. This role requires collaboration with multidisciplinary teams to ensure safety and compliance in reactor operations... 

    Decisive Point

    El Segundo, CA
    1 day ago
  • $150.03k - $211.84k

     ...world’s first mass-produced, portable nuclear microreactors. The company’...  ...is a 1-megawatt, fail-safe microreactor that can be transported...  ...leverages modern software engineering to rapidly deliver safe, factory...  ...qualifications, and are designed to support continued growth... 
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    1 day ago
  • Radiant is building the world’s first mass-produced, portable nuclear microreactor. The Principal Electrical Engineer will own end-to-end electrical integration, from...  ...mechanical, software, and systems engineering, leading complex hardware programs from concept to... 

    Radiant

    El Segundo, CA
    13 hours ago
  • Radiant Industries, based in El Segundo, CA, seeks a Director of Nuclear Engineering to organize design and analysis strategy for its microreactor fleet. The role leads core physics, shielding, dose analysis, and instrumentation, guiding fast iteration across reactor programs... 
    Relocation

    Radiant Industries

    El Segundo, CA
    1 day ago
  • $195.71k - $262.5k

     ...first mass-produced, portable nuclear microreactors. The company...  ...-megawatt, fail-safe microreactor that can be...  ...leverages modern software engineering to rapidly deliver safe...  ...Nuclear Engineer to lead the interdisciplinary...  ...and early design trades through analysis... 
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Shift work

    Radiant Industries

    El Segundo, CA
    1 day ago
  • $28 per hour

     ...environmental impact. At Forge, we believe nuclear fission is the key to solving both at...  ...deployment of nuclear fission. Nuclear Engineering Internship/Co-op As a nuclear engineering...  ...'ll contribute directly to the nuclear design and safety analysis of our first reactor... 
    Hourly pay
    Full time
    Summer work
    Internship
    Work at office
    Local area
    Relocation
    Weekend work

    Forge Atomics

    El Segundo, CA
    23 hours ago
  • Radiant, an El Segundo, CA-based startup, seeks a Staff Nuclear Engineer to lead nuclear design and analysis of Kaleidos. You will own complex reactor physics workstreams, develop high-fidelity transport models, and drive regulatory documentation. This role requires deep... 

    Radiant

    El Segundo, CA
    2 days ago
  • $139.5k - $224.7k

     ...world’s first mass-produced, portable nuclear microreactors. The company’...  ...is a 1-megawatt, fail-safe microreactor that can be transported...  ...leverages modern software engineering to rapidly deliver safe, factory...  ...architecture, component design, material selection, operating... 
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours

    Radiant Industries

    El Segundo, CA
    2 days ago
  • $139.5k - $224.7k

     ...world’s first mass-produced, portable nuclear microreactors. The company’...  ...is a 1-megawatt, fail-safe microreactor that can be transported...  ...leverages modern software engineering to rapidly deliver safe, factory...  ...FEA modeling. You will design, develop and implement simulations... 
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    2 days ago
  • $158k - $219.45k

     ...world’s first mass-produced, portable nuclear microreactors. The company’...  ...is a 1-megawatt, fail-safe microreactor that can be transported...  ...leverages modern software engineering to rapidly deliver safe, factory...  ...play a pivotal role in the design and development of the... 
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    3 days ago
  • $133.5k - $184.8k

     ...world’s first mass-produced, portable nuclear microreactors. The company’...  ...is a 1-megawatt, fail-safe microreactor that can be transported...  ...leverages modern software engineering to rapidly deliver safe, factory...  ...Operations Engineer to design and implement mission-critical... 
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    2 days ago
  • $133.5k - $184.8k

     ...world’s first mass-produced, portable nuclear microreactors. The company’...  ...is a 1-megawatt, fail-safe microreactor that can be transported...  ...leverages modern software engineering to rapidly deliver safe, factory...  ...what we learned through design, fabrication, assembly, integration... 
    Full time
    Part time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    3 days ago
  • $133.5k - $184.8k

     ...world’s first mass-produced, portable nuclear microreactors. The company’...  ...is a 1-megawatt, fail-safe microreactor that can be transported...  ...leverages modern software engineering to rapidly deliver safe, factory...  ...be working closely with design engineers to innovate on the... 
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    4 days ago
  • $106.5k - $146.48k

     ...world’s first mass-produced, portable nuclear microreactors. The company’...  ...is a 1-megawatt, fail-safe microreactor that can be transported...  ...leverages modern software engineering to rapidly deliver safe, factory...  ...Physics responsible for designing and implementing nuclear-specific... 
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    1 day ago
  • Radiant in El Segundo, CA is seeking a highly motivated Thermal Engineer Intern to join the team for Summer 2027. You will perform...  ...internship offers hands-on experience with a pioneering nuclear microreactor program and opportunities to develop methods supporting lower... 
    Summer work
    Internship

    Radiant

    El Segundo, CA
    1 day ago
  • Forge Atomics in California seeks a Nuclear Engineering Internship/Co-op to contribute to the design and safety analysis of Ember reactor. You’ll work on core design, fuel cycle, reactivity control, and dose analysis within our simulation toolchain, supporting licensing... 
    Summer work
    Internship

    Forge Atomics

    El Segundo, CA
    23 hours ago
  • Radiant, an El Segundo, CA-based startup building the world’s first portable nuclear microreactors, seeks a Senior Manager of Embedded Engineering to lead the embedded software team through the critical path to commercialization, planning and executing the embedded software... 

    Radiant

    El Segundo, CA
    1 day ago
  • $161.29k - $223.65k

     ...first mass-produced, portable nuclear microreactors. The company...  ...-megawatt, fail-safe microreactor that can be...  ...leverages modern software engineering to rapidly deliver safe...  ...in 2028.As the Lead Reactor Operations Engineer...  ....Participate in design reviews and provide feedback... 
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    1 day ago
  • $200.5k - $314.48k

     ...world’s first mass-produced, portable nuclear microreactors. The company...  ...a 1-megawatt, fail-safe microreactor that can be transported...  ...leverages modern software engineering to rapidly deliver safe, factory...  ...Power Systems Engineer to lead the design, modeling, and validation... 
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    4 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Lead Nuclear Engineer — Portable Microreactor Design. Be the first to apply!