Nuclear Engineer - New Graduates

Radiant is seeking a highly motivated early career nuclear engineer to design and analyze nuclear systems for a 1MW HTGR nuclear microreactor. You will have the opportunity for mentorship from experienced engineers in a fast-paced startup environment while taking great ownership of projects end-to-end. You will be responsible for various aspects of the nuclear design and analysis as priorities shift and expertise is gained.  Build your nuclear career at Radiant and be a key contributor to testing the first new reactor design in over 50 years by 2026.

 Responsibilities & Duties  

• Ownership of Nuclear design and analysis, examples: 
  • Shielding: Transport, Operational, Self-Activation and environmental Activation, Waste Categorization, working with both customer and regulatory requirements 
  • Run coupled neutronics and thermal calculations to refine the thermal model in various scenarios 
  • Mechanical: Assess damage effects and bulk material properties changes due to high flux on ceramics and metals inside the core 
  • Neutronics: Develop control schemes and design control systems using transient simulations to finalize source sizing and detector selection 
  • Fuel and Waste: Model burnup distribution, design burnable absorber, and perform criticality assessments for transport and waste facility compatibility 
• Develop requirements for hardware systems, structures, and components 
  • Create and manage a Bill-Of-Materials (BOM). 
  • Find and develop suppliers for all components. 
• Own subassembly design, manufacturing, and test schedules.   
• Collect requirements, provide expertise and feedback to engineers in other functional areas via clear, constructive communication.   

Required Qualifications & Skills 

• Bachelor’s degree in nuclear engineering or equivalent degree from accredited institution 
• Proficient in at least one of the following programming languages: Python, C++, C#, or another scientific computing language 

Desired Qualifications & Skills  

• Self-motivated with strong organizational, written, and oral communication skills  
• Competency in distributed software development process 
• Hands-on experience designing hardware and/or performing tests 
• Related experience with OpenMC, Serpent, MCNP, MOOSE, BISON, RELAP, CFD, Pronghorn, GRIFFIN, or other nuclear software packages   
• At least 1 year of software development experience:
  • C, C++, or Python development experience is preferred.
  • Prior use of code repositories, unit testing, performance benchmarking, and software review / release processes.  
  • Familiarity with good documentation practices and implementation of style guidelines.