Director, Nuclear Engineering — Lead Next‑Gen Microreactors
Radiant Industries
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. The successful candidate will manage a multidisciplinary team, ensure regulatory compliance, and maintain strong external partnerships with universities and national labs. Relocation to El Segundo is required. #J-18808-Ljbffr Radiant Industries
$173k - $237.3k
...first mass-produced, portable nuclear microreactors. The company’s first... ...leverages modern software engineering to rapidly deliver safe, factory... ...seeking a highly motivated Director, Nuclear Engineering to organize... ....Responsibilities & Duties:Lead and grow a team of nuclear...SuggestedFull timeSummer workImmediate startRemote workRelocationFlexible hoursShift workWeekend work$173k - $237.3k
...first mass-produced, portable nuclear microreactors. The company’s first... ...leverages modern software engineering to rapidly deliver safe, factory... ...seeking a highly motivated Director, Nuclear Engineering to... ...Responsibilities & Duties: Lead and grow a team of nuclear...SuggestedFull timeSummer workWork at officeImmediate startRemote workRelocationFlexible hoursShift workWeekend work$195.71k - $262.5k
...world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos... ...development leverages modern software engineering to rapidly deliver safe, factory-built... ...seeking a Principal Nuclear Engineer to lead the interdisciplinary nuclear...SuggestedFull timeSummer workImmediate startRemote workFlexible hoursShift work- General Galactic seeks a Director of Engineering in Los Angeles to lead technical teams across mechanical, electrical, software, propulsion, and test disciplines. This senior role combines hands-on engineering leadership with strategic direction, shaping product and mission...Suggested
$106.5k - $146.48k
...world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos... ...development leverages modern software engineering to rapidly deliver safe, factory-built... ...analysis, and radiation detection. You will lead and own nuclear engineering...SuggestedFull timeSummer workImmediate startRemote workFlexible hoursWeekend work$150.03k - $211.84k
...startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail... ...approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that...Full timeSummer workImmediate startRemote workFlexible hoursWeekend work$185k - $225k
...world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos... ...development leverages modern software engineering to rapidly deliver safe, factory-built... ...nuclear engineering workstreams. You will lead complex projects from requirements...Full timeSummer workImmediate startRemote workFlexible hoursShift work- Radiant, based in El Segundo, CA, is seeking a Lead Nuclear Materials Engineer to guide Radiant’s nuclear materials team in the development, testing, and qualification of materials for the Kaleidos 1MWe reactor. You will own the materials program end‑to‑end, mentor engineers...
- Radiant is seeking a Lead Nuclear Materials Engineer to lead the nuclear materials team in developing and qualifying materials for the Kaleidos 1MWe reactor. The role requires ownership of fuel, moderators, shielding, and irradiation testing, and cross-functional collaboration...
- 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...
$139.5k - $196.88k
...world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos... ...development leverages modern software engineering to rapidly deliver safe, factory-built... ...Nuclear Thermal-Hydraulics Engineer to lead thermal-hydraulics and coupled physics...Full timeSummer workImmediate startRemote workFlexible hoursWeekend work- Pow.bio, based in El Segundo, CA, is seeking an Engineering Manager to lead the Electronics team responsible for components of advanced nuclear microreactors. You will manage engineers and own the architecture for reactor controls, working collaboratively across teams....
$193k - $289.6k
...Northrop Grumman’s Space Systems Sector is seeking a Systems Engineering Manager 3 – IPT Lead to join our team in Redondo Beach, CA.*Please be aware... ...share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In...Full timeRelocation packageMonday to ThursdayFlexible hoursShift work- ...The Aerospace Corporation is seeking an MED Associate Director to lead mission engineering efforts and mentor engineers across multiple programs. You will partner with customers and program offices to shape strategy and deliver results in space systems engineering....Remote work
$106.5k - $146.48k
...startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail... ...approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that...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... ...onsite internship offers hands-on experience with a pioneering nuclear microreactor program and opportunities to develop methods supporting...Summer workInternship
$140.5k - $202.48k
...world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos... ...development leverages modern software engineering to rapidly deliver safe, factory-built... ...customer deliveries beginning in 2028.Lead Nuclear Materials EngineerRadiant is seeking...Full timeSummer workImmediate startRemote workFlexible hoursWeekend work$200k - $260k
ABOUT THE ROLE:The Senior Director of Infrastructure and Cloud Engineering is a senior technology leader responsible for leading Skechers’ global systems and cloud engineering groups. This leader will modernize and scale enterprise infrastructure capabilities, strengthen...Full timeLocal area- ...Northrop Grumman in Redondo Beach, CA seeks a Software Integration and Test (SIT) Manager Deputy (Systems Engineering Manager 2) to lead day-to-day SIT operations and collaborate across IPTs in support of national security missions. The role requires strong systems...
- ...world’s first mass‑produced, portable nuclear microreactors. The company’s first reactor, Kaleidos... ...development leverages modern software engineering to rapidly deliver safe, factory‑built... ...seeking a technical and people‑oriented Lead Nuclear Engineer for our nuclear...Full timeSummer workImmediate startRemote workFlexible hoursWeekend work
- 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...
$28 per hour
...aggressively lowering our environmental impact. At Forge, we believe nuclear fission is the key to solving both at once. Today Forge is... ...to rapidly scale the deployment of nuclear fission. Nuclear Engineering Internship/Co-op As a nuclear engineering intern at Forge, you...Hourly payFull timeSummer workInternshipWork at officeLocal areaRelocationWeekend work- Valar Atomics seeks a Principal Nuclear I&C Engineer to own the reactor measurement architecture for our first‑of‑a‑kind HTGR project. You will... ...approvals. In this senior role, you will serve as design authority, lead licensing interactions, and mentor engineers while ensuring...
- 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...
- A consulting engineering firm is seeking a Proposal Coordinator to support the business development team in creating high-quality proposals and marketing materials for engineering projects. Ideal candidates have a degree in a relevant field and 3-5 years of proposal coordination...Full time
- ...building the world’s first mass-produced, portable nuclear microreactor. The Principal Electrical Engineer will own end-to-end electrical integration, from architecture... ...mechanical, software, and systems engineering, leading complex hardware programs from concept to...
- 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
$158k - $247.28k
Pow.bio is looking for a Senior Electrical Engineer at their El Segundo HQ. In this role, you will oversee the design of electrical control systems for nuclear microreactors, ensuring safety and reliability. Applicants should have a Bachelor's in Electrical Engineering...Flexible hours- Radiant is seeking a Senior Talent Sourcer to own the top of the funnel, building pipelines and driving outreach that fuels our engineering and operations hiring. This role is 100% onsite at Radiant’s El Segundo HQ and requires comfort with fast-paced decision making. You...
- Raytheon in El Segundo, CA seeks a Deputy Chief Engineer to lead the Next Generation GEO OPIR program, overseeing space‑based infrared missile‑warning technology development and operations. You will direct engineering execution, interface with customers, and guide the engineering...
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