Radiant
Nuclear Engineer, Sensors
$106K–$146K
El Segundo, CA · On-site · Full-time · Posted Aug 7, 2026
- Experience
- 1-2+ years of nuclear engineering industry experience (MS equivalent to 2 yrs); at least 1 year of software development or scripting experience is listed as desired.
- Education
- Bachelor’s degree in nuclear engineering or equivalent degree from an accredited institution.
- Visa sponsorship
- The position involves access to technology subject to U.S. export controls; any offer is contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.
About the job
Own the design, modeling, qualification, and integration of sensors and instrumentation for Radiant’s Kaleidos microreactor, supporting reactor monitoring, protection, and safety analysis.
What you'll do
- Design, specify, and qualify radiation detectors and neutron-flux monitoring instrumentation.
- Model detector response and evaluate sensor performance in harsh and accident-condition environments.
- Integrate instrumentation with reactor control and data acquisition systems, and support verification and validation.
What they ask for
- Bachelor’s degree in nuclear engineering or equivalent degree from an accredited institution.
- 1-2+ years of nuclear engineering industry experience (MS equivalent to 2 yrs), with exposure to radiation detection or instrumentation.
- Experience with radiation transport methods, including codes such as MCNP/OpenMC/Serpent.
- Proficient in at least one of Python, C++, C#, FORTRAN, or another scientific computing language; basic knowledge of thermal hydraulic principles.
Nice to have
- Hands-on sensor or instrumentation design, testing, or qualification in harsh environments; DAQ and reactor control integration experience.
- Experience with variance reduction tools such as Attila4MC or ADVANTG, CAD software, dose consequence methods, or high-performance computing.
Pay
$106,500 – $146,475 USD base salary
Tools
MCNP, OpenMC, Serpent, Python, C++, C#, FORTRAN, Attila4MC
Model-written summary · the original posting is authoritative