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About the role Radiant is seeking a Principal Embedded Software Engineer to set the technical direction for embedded software across instrumentation and control (I&C) systems. You will define architecture, establish engineering standards, and personally drive the development of
About the Role Radiant is seeking a highly motivated Mechanical Engineer, Fluids Systems 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 h
About the Role Radiant is seeking a highly motivated Staff Mechanical 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 from t
About the Role Radiant is seeking a highly motivated Senior Mechanical 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 from
About the Role Radiant is seeking a Senior Manager Government Affairs, to lead the company’s engagement with Congress and help shape the policy, authorization, and appropriations environment required to deploy microreactors across U.S. government customers. This role sits at the
About the Role Radiant is seeking an experienced Manager, Regulatory Engineering who loves to think outside the box and challenge convention; in this role you will lead the authorization process for reactor deployment with our military partners. You will be responsible for regul
About the Role Radiant is seeking a Systems Engineer to develop, maintain, and govern engineering design standards, requirements, and verification methodologies for the mass production of nuclear reactors. This role bridges systems engineering, design, analysis, manufacturing, a
About the Role Radiant is seeking a Principal Turbomachinery Engineer to serve as the Responsible Engineer for the turbomachinery within our nuclear-driven power generation system. This role owns the mechanical design, integrity, and performance of the core rotating assembly at
We are seeking for a Build Engineer to help bring high-speed rotating hardware from design into reality. This is a hands-on role ideal for new graduates or early-career engineers who want to learn by building, assembling, and integrating complex turbomachinery systems. You will w
About the Role Radiant is seeking an Engineering Manager to lead the Electronics team. This team owns the electronics architecture for terrestrial reactor controls, with a long-term path toward space reactor applications. You will be the technical authority for custom hardware—l
About the Role This position goes beyond traditional systems engineering - you will also gain hands-on experience as a Reactor Operator (RO), directly influencing the development of operational software, procedures, and future reactor designs. Responsibilities & Duties: - Qua
About the Role The Senior Power Electronics Engineer will play a pivotal role in the design and development of the power electronics of our nuclear-driven high-speed generator. Responsibilities include but are not limited to the design of high-voltage and high-speed generator dr
About the Role Radiant is seeking a talented Principal Power Systems Engineer to lead the design, modeling, and validation of electrical power systems supporting our nuclear microreactor platform. You will play a critical role in defining how power is generated, conditioned, con
About the Role Radiant is seeking a Lead Test Engineer, Power Generation to own the strategy, execution, and team leadership for testing the power generation system including turbomachinery, heat exchangers, controls, and primary cooling systems. This role is ideal for a hands-o
About the Role Radiant is seeking a talented Senior Electrical Engineer to own designs from requirements capture through operation. The candidate will be directly responsible for components of the nuclear microreactor control and measurement systems. The ideal candidate should b
About the Role Radiant is seeking a highly motivated Senior Mechanical Engineer, Turbomachinery (Rotordynamics) to join the team responsible for the power generation and primary cooling turbomachinery of our Kaleidos product. This role involves performing the rotordynamic analys
About the Role Radiant is seeking a highly motivated Senior Manufacturing Engineer who will be working closely with design engineers to innovate on the production of complex mechanisms and structures critical to our microreactor technology. You will ensure reliable, safe, qualit
About the Role Radiant is seeking a driven Regulatory Systems Engineer who loves to think outside the box and challenge convention; in this role you will support the license application approval process with the Nuclear Regulatory Commission. This role is critical to bringing th