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96 jobs matching your search
Showing 21 to 40 of 96
Senior Safety Analysis Engineer
About the Role Radiant is seeking a Senior Safety Analysis Engineer to lead reactor safety analyses supporting the design, testing, and deployment of Kaleidos. You will evaluate reactor behavior during normal, transient, and accident conditions, assess safety margins, and develo
Engineering
Prep for this interviewSenior Reactor Engineer
About the Role Radiant is seeking a Senior Reactor Engineer to lead the testing and verification of critical components, mechanisms, and subsystems within the Kaleidos microreactor. You will work closely with nuclear, mechanical, thermal, controls, and test engineering teams to
Engineering
Prep for this interviewStaff Fluid Systems Engineer
About the Role Radiant is seeking a highly motivated Staff Fluid Systems Engineer to own critical Kaleidos fluid systems from preliminary design through build and production. These systems include the primary loop subsystems and power conversion loop, serving to convert heat fro
Senior Fluid Systems Engineer
About the Role Radiant is seeking a highly motivated Senior Fluid Systems Engineer to own critical Kaleidos fluid systems from preliminary design through build and production. These systems include the primary loop subsystems and power conversion loop, serving to convert heat fr
Mechanisms Engineer
About the Role Radiant is seeking a highly motivated Mechanisms Engineer to design and develop critical mechanisms within Kaleidos. You will solve unique challenges creating efficient and reliable mechanisms that control reactivity or actuate critical safety features. You will b
Engineering
Prep for this interviewLead Nuclear Materials Engineer
Responsibilities & Duties - Set the technical direction for the nuclear materials team, including the definition of project scopes, the guidance of day-to-day engineering and support activities, and the development of a nuclear materials roadmap to support future reactor design
Engineering
Prep for this interviewT&E Accounting Specialist (Contract)
Job Summary: We are seeking a T&E (Travel & Expense) Specialist to manage the processing and review of employee T&E activity and credit card charges for our nuclear energy company. You will help ensure expenses are accurate, policy-compliant, and properly recorded, while providi
Finance & Legal
Prep for this interviewExecutive Assistant & Office Coordinator
Executive Assistant to the Chief Nuclear Officer & DC Office Coordinator Radiant’s goals are ambitious – we will be the first company to mass-produce portable nuclear reactors. We have world-class engineers designing our Kaleidos 1MW microreactor, and we need a world-class team
Likely real
Prep for this interviewIndirect Procurement Associate
About the Role Radiant is looking for an Indirect Procurement Associate to support sourcing and procurement of indirect goods and services — Facilities, IT, Professional Services, MRO, consumables, and R&D collaborations. This is a hands-on role for someone with strong technical
Likely real
Prep for this interviewStrategic Sourcing Manager
About the Role Radiant is seeking a proactive and technically-minded Strategic Sourcing Manager to lead the discovery, qualification, and development of new suppliers and manufacturing technologies in support of our micro-reactor program. This role is foundational to expanding R
Worth a look
Prep for this interviewSenior Material Planner
About the Role Radiant is seeking a proactive Senior Material Planner to own material planning across the full lifecycle of our micro nuclear reactors. This role partners with Engineering to translate reactor designs into a company-wide planning bill of materials and works along
Staff Manufacturing Engineer, DFM
About the Role Radiant is seeking a Staff Manufacturing Engineer to help transition Kaleidos from a first-of-a-kind reactor build into a repeatable, scalable production system. With the initial Kaleidos reactor build complete, Radiant is now applying what we learned through des
Engineering
Prep for this interviewSenior Manufacturing Engineer, DFM
About the Role Radiant is seeking a Senior Manufacturing Engineer to help transition Kaleidos from a first-of-a-kind reactor build into a repeatable, scalable production system. With the initial Kaleidos reactor build complete, Radiant is now applying what we learned through de
Engineering
Prep for this interviewStaff Nuclear Engineer
About the Role Radiant is seeking a Staff Nuclear Engineer to provide technical expertise across the nuclear design and analysis of Kaleidos. You will work across core physics, neutron and radiation transport, shielding, activation and dose, thermal-hydraulics, safety analysis,
Engineering
Prep for this interviewIndirect Procurement Manager
About the Role Responsibilities & Duties: - Strategic Sourcing & Category Management: Develop and execute sourcing strategies for key indirect categories. This includes IT (hardware, software, SaaS), Professional Services (consulting, legal, engineering), MRO (Maintenance, Rep
Senior Software Engineer, Frontend
About the Role Radiant is seeking a Senior Software Engineer to own the frontend for our in-house telemetry and fleet management platform. You’ll join the Mission Software team, build on top of a highly technical telemetry streaming platform, and work on fleet monitoring systems
Engineering
Prep for this interviewEngineering Manager, Integration & Test
About the Role Radiant is seeking an Engineering Manager, Integration & Test, to lead the electrical engineering team responsible for test infrastructure and system integration for Kaleidos, Radiant's commercial microreactor unit targeted for deployment in 2028. You will manage
Construction Manager
About the Role This is a startup player-coach role, not a passive oversight position. The ideal candidate thrives in fast-moving, ambiguous environments, is comfortable making real-time field decisions, and can push contractors, designers, and internal teams to deliver. The rol
Likely real
Prep for this interviewEnvironmental, Health & Safety (EHS) Manager
About the Role We are looking for an Environmental, Health & Safety (EHS) Manager to serve as the company EHS authority supporting Radiant's multi-site manufacturing and operations in a lean, fast-moving environment. This role owns the strategy, development, implementation, and
Lead Reactor Operations Engineer
As the Lead Reactor Operations Engineer, you will direct the team providing operational insights to ensure the development of Kaleidos and its functionality meet the requirements for safe, efficient, and reliable reactor operations and commissioning. This position will oversee an
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