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Jobs
88 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
41–60 of 88 jobs
Counts are paused for a minute after many searches; results are still current.
Technical Program Manager
7 weeks agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$133.5K – $218.9K a yearOperationsRadiant is building a first-of-its-kind reactor, and delivering it to some of the most demanding customers in the world.
Senior System Administrator
8 weeks agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$133.5K – $190.1K a yearITRadiant is seeking a Senior Systems Administrator to own the systems that keep the company running day-to-day within Microsoft 365 GCC High. You'll own the tenant, build our identity and access automation from the ground up in an Entra-native environment with no on-prem Active…
Principal Nuclear Engineer
8 weeks agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeLead / staff$195.7K – $262.5K a yearEngineeringRadiant is seeking a Principal Nuclear Engineer to lead the interdisciplinary nuclear engineering work supporting Kaleidos. This role combines people leadership with hands-on technical ownership across core physics, neutron and radiation transport, shielding, activation and…
Lead Nuclear Engineer
8 weeks agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeLead / staff$161.3K – $223.7K a yearEngineeringRadiant is seeking a Lead Nuclear Engineer to provide technical and people leadership within the nuclear design and analysis organization supporting Kaleidos. You will lead an interdisciplinary team working across core physics, neutron and radiation transport, shielding,…
Direct Procurement Manager
8 weeks agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeMid level$115K – $168K a yearFinanceRadiant is seeking a proactive and strategic Direct Procurement Manager to lead the sourcing, negotiation, and acquisition of components, materials, and services essential for our innovative micro-reactor systems. This role is pivotal in establishing and maintaining a…
Quality Operations Specialist
8 weeks agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeMid level$100.5K – $142.8K a yearOperationsWe are looking for a Quality Operations Specialist to help run, sustain, and continuously improve Radiant’s Quality program as we scale. You will work across the Quality organization to keep key processes moving, maintain the systems and information behind them, and help ensure…
Senior FPGA Engineer, Verification
2 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$158K – $219.5K a yearEngineeringRadiant is seeking a Senior FPGA Verification Engineer to add to our Embedded Systems team. You will lead verification of FPGAs used in reactor safety, control, and instrumentation systems, covering safety-critical applications, sensor and actuator handling, and communication…
Radiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$133.5K – $190.1K a yearEngineeringRadiant is seeking a Technical Program Manager, IT and Security, to own visibility and delivery across our IT and security portfolio: eight concurrent programs across three states, including a reactor program at Idaho National Laboratory, a fuel facility and manufacturing plant…
Senior Tooling Engineer
2 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$133.5K – $184.8K a yearEngineeringRadiant is seeking a highly motivated Senior Tooling Engineer who will be working closely with design engineers and the manufacturing team to develop and innovate custom equipment to build and assemble our microreactor system. You will be part of the early team that develops…
Permitting Manager
2 months agoRadiant Industries · Washington, District of Columbia, United States
On-siteFull-timeSenior$115K – $168K a yearOperationsRadiant is seeking a Permitting Manager to own the final, on-the-ground step for operating an advanced microreactor: securing the state and local permits required to deploy Kaleidos at customer sites. This role is highly hands-on and execution-focused, translating policy and…
Director, Nuclear Engineering
2 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeDirector$173K – $237.3K a yearEngineeringLead and grow a team of nuclear engineers spanning core physics, shielding performance, dose and consequence analysis, and nuclear instrumentation domains; Manage team execution to efficiently deliver against the strategy, remove roadblocks, and adapt to shifting priorities;…
Senior Automation and Controls Engineer
2 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$158K – $219.5K a yearEngineeringDesign, develop, and manage automation projects - this includes equipment ideation, machine commissioning, proof of rate capability, quality and reliability studies, and eventual hand-off to operational teams.; Architect, write, and debug PLC code with an emphasis on generating…
Senior Stress Engineer
2 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$133.5K – $184.8K a yearEngineeringRadiant is seeking a Stress Engineer to own and execute structural loads, vibration, and dynamic analyses for complex mechanical systems associated for Kaleidos, the world's first portable microreactor and supporting hardware. You will play a critical role in ensuring…
Senior Electrical Engineer, PCB
2 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$158K – $219.5K a yearEngineeringRadiant is seeking a Senior Electrical Engineer focused on PCB development, mixed-signal design, high-speed interfaces, power distribution, and signal integrity, supporting the data acquisition, signal conditioning, data sampling, and reactor control operations behind Kaleidos,…
Loads & Dynamics Engineer
3 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeMid level$182K – $293K a yearEngineeringRadiant is seeking a Loads & Dynamics Engineer to own and execute structural loads, vibration, and dynamic analyses for complex mechanical systems associated for Kaleidos, the world's first portable microreactor and supporting hardware. You will play a critical role in ensuring…
Staff Loads & Dynamics Engineer
3 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeLead / staff$162.5K – $228.8K a yearEngineeringRadiant is seeking a Staff Loads & Dynamics Engineer to own and execute structural loads, vibration, and dynamic analyses for complex mechanical systems associated for Kaleidos, the world's first portable microreactor and supporting hardware. You will play a critical role in…
Nuclear Engineer
3 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeEntry level$106.5K – $146.5K a yearEngineeringRadiant is seeking a highly motivated Nuclear Engineer responsible for developing nuclear engineering solutions for our Kaleidos microreactor. This may include nuclear engineering areas such as radiation shielding, criticality safety, accident dose consequence, reactor physics…
Nuclear Engineer, Sensors
3 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeEntry level$106.5K – $146.5K a yearEngineeringRadiant is seeking a highly motivated Nuclear Engineer to own sensor and instrumentation solutions for our Kaleidos microreactor. This includes radiation detection, neutron flux monitoring, and instrumentation design and qualification for reactor physics, shielding, and safety…
Nuclear Engineer, Core Physics
3 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeMid level$106.5K – $146.5K a yearEngineeringRadiant is a seeking a Nuclear Engineer, Core Physics 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 analysis to…
Senior Nuclear Engineer
3 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$150K – $211.8K a yearEngineeringRadiant 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…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.