Radiant
Senior Nuclear Engineer
$150K–$212K
El Segundo, CA · On-site · Senior · Full-time · Posted Aug 7, 2026
- Experience
- 4+ years of experience with Monte Carlo nuclear engineering software.
- Education
- Bachelor’s degree in nuclear engineering or a similar field from an accredited institution.
About the job
Own reactor-physics and neutronics modeling methods and calculations used in Radiant’s Digital Twin and transient safety analyses.
What you'll do
- Calculate neutronics parameters, including energy deposition distributions, reactivity coefficients, kinetics parameters, and control blade worths.
- Verify modeling assumptions, assess conservatism, and document methods and results.
- Support Digital Twin verification and validation and review other nuclear analyses, including shielding and radiation detection.
What they ask for
- Bachelor’s degree in nuclear engineering or a similar field from an accredited institution.
- 4+ years of experience with Monte Carlo nuclear engineering software such as OpenMC, MCNP, Serpent, or SCALE.
- Experience documenting analysis methods and assumptions.
- Strong programming skills in any language.
Nice to have
- Knowledge and experience in reactor kinetics.
- Basic knowledge of thermal hydraulic principles.
Pay
$150,025 – $211,838 USD base salary
Tools
OpenMC, MCNP, Serpent, SCALE, Python, Digital Twin
Model-written summary · the original posting is authoritative