The Senior Structural Civil Engineer will design and develop structures for reactor systems, ensure safety and compliance through structural analysis, and collaborate across engineering teams. Responsibilities include conducting trade studies, managing suppliers, and owning risk analysis for structural subsystems.

The Senior Structures Engineer at Radiant will design and develop structures for a nuclear microreactor, focusing on efficient design, material selection, and rigorous structural analysis. Responsibilities include conducting trade studies, performing thermomechanical analysis, creating assembly instructions, and managing schedules, ensuring structural integrity in extreme conditions.

The CAD Drafter will create and finalize 2D engineering drawings in NX, manage large assemblies, and collaborate with engineers to resolve issues for the development of a portable nuclear microreactor. Responsibilities also include managing revision requests and updating documentation.

The Senior Motor Design Engineer will design and develop a high-power alternator for a nuclear-driven generator. Responsibilities include electromagnetic design, 3D modeling, vendor communication, and testing, all while collaborating across engineering teams.

The Software Engineer - New Graduate will develop software for reactor simulation, analysis, and maintenance. Responsibilities include creating tools for internal and third-party simulation software, owning internal software products, and leading production software development for data storage and automation.

The IT Help Desk Associate will provide first-line technical support to employees, addressing computer, software, hardware, network, and peripheral issues. Responsibilities include managing support requests via Jira, maintaining IT inventory, and ensuring proactive communication and process improvement.

The Senior Power Systems Engineer will design and analyze electrical systems for a nuclear microreactor, ensuring performance, safety and reliability through technical leadership and collaboration. Responsibilities include creating schematics, conducting tests, and guiding junior team members in the design and integration processes for power generation systems.

As a Senior Thermal Modeling Engineer at Radiant, you will design and develop simulations for the Kaleidos microreactor, focusing on thermal analysis and structural impacts. Responsibilities include transforming CAD into simplified geometry, validating analysis results, and collaborating with cross-functional teams to advance reactor commercialization.

As a Senior Fluids Systems Engineer, you will manage the design and implementation of critical fluid systems for a nuclear microreactor, involving thermal hydraulic analysis, system performance verification, and supplier coordination, from initial design through to production and testing.

The Structures Engineer II will design and develop critical structures for the Kaleidos project, perform structural analysis using finite element tools, conduct trade studies, and manage assembly and testing processes to ensure safety and efficiency in a nuclear microreactor environment.

The Fuel Performance Modeling Intern will support the materials team by developing TRISO fuel performance models using BISON, conducting experiments, and documenting predictions while ensuring software integration into material research. The role includes assessing model uncertainties and presenting a final project review at the internship's conclusion.

The Software Engineer will collaborate with various teams to develop models simulating reactor physics, enhance digital twin representations, and own mission-critical products within Radiant's interdisciplinary environment, aiming to commercialize the first mass-produced nuclear reactor.

The Senior Nuclear Engineer will focus on reactor kinetics, modeling core neutronics, performing safety analyses, and verifying assumptions within reactor models. This role includes using Digital Twin software and documenting results for both technical and non-technical audiences, while also supporting other nuclear analyses across the company.

The Senior Controls Systems Engineer will design, prototype, and validate control systems for a nuclear microreactor, focusing on algorithm development, regulatory documentation, and system performance analysis. The role involves collaborating with multidisciplinary teams and ensuring robust hardware testing.

The Packaging Mechanical Engineer will oversee the packaging and integration of turbomachinery and electrical systems for a nuclear microreactor project. Responsibilities include ensuring safety and structural integrity, using CAD for design, and facilitating hardware integration verification activities. Strong collaborative skills are essential within multi-team environments.

The Senior Accounting Manager will manage all accounting activities to ensure compliance with US GAAP and corporate policies. Responsibilities include leading audits, refining financial close processes, overseeing tax filings, and implementing accounting automation projects while ensuring accuracy and compliance.

The Senior Power Electronics Engineer will be responsible for the design and development of power electronics for a nuclear power generator, including high-voltage generator drives and inverters. The role requires conducting simulations, circuit analysis, and optimizing efficiency, while collaborating with industry engineers and vendors.

The Senior Fluids Systems Engineer will oversee critical fluid systems for a nuclear microreactor, conducting thermal and fluids analysis, designing components, managing suppliers, and ensuring performance and safety through rigorous testing and documentation processes.

The Senior Materials Engineer will be responsible for testing and qualification of materials for the Kaleidos nuclear microreactor. Tasks include planning materials testing, developing manufacturing processes, guiding materials selection, and operating equipment for characterization. The role demands a self-motivated individual who can collaborate with design and operations teams.

The Lead Turbomachinery Engineer will develop turbomachinery for a closed-loop Brayton cycle, focusing on performance, reliability, and manufacturability. Responsibilities include translating heat engine performance requirements, optimizing microreactor systems, performance modeling, and overseeing prototyping and testing of hardware.