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
$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...SuggestedFull timeSummer workImmediate startRemote workFlexible hoursShift work$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...SuggestedFull timeSummer workImmediate startRemote workRelocationFlexible hoursShift workWeekend work$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...SuggestedFull timeSummer workImmediate startRemote workFlexible hoursWeekend work$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...SuggestedFull timeSummer workImmediate startRemote workFlexible hoursWeekend work$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...SuggestedFull timeSummer workImmediate startRemote workFlexible hoursWeekend work- ...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 timeSummer workImmediate startRemote workFlexible hoursWeekend work
- 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...
- 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...
$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 timeSummer workImmediate startRemote workFlexible hoursWeekend work$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 timeSummer workWork at officeImmediate startRemote workRelocationFlexible hoursShift workWeekend work- 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...
- 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...
$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 timeSummer workImmediate startRemote workFlexible hoursWeekend work- 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 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
$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 timeSummer workImmediate startRemote workFlexible hoursShift work$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 payFull timeSummer workInternshipWork at officeLocal areaRelocationWeekend work- 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...
$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 timeSummer workImmediate startRemote workFlexible hours$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 timeSummer workImmediate startRemote workFlexible hoursWeekend work$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 timeSummer workImmediate startRemote workFlexible hoursWeekend work$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 timeSummer workImmediate startRemote workFlexible hoursWeekend work$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 timePart timeSummer workImmediate startRemote workFlexible hoursWeekend work$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 timeSummer workImmediate startRemote workFlexible hoursWeekend work$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 timeSummer workImmediate startRemote workFlexible hoursWeekend work- 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 workInternship
- 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 workInternship
- 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...
$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 timeSummer workImmediate startRemote workFlexible hoursWeekend work$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 timeSummer workImmediate startRemote workFlexible hoursWeekend work
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