Radiant
Nuclear Engineer, Sensors
$115K–$162K
El Segundo, CA · On-site · Full-time · Posted Sep 11, 2026
- Experience
- 1-2+ years of nuclear engineering industry experience (MS equivalent to 2 yrs); desired: at least 1 year of software development or scripting experience.
- Education
- Bachelor's degree in nuclear engineering or equivalent degree from an accredited institution.
About the job
Owns sensor and instrumentation design, analysis, modeling, qualification, and integration for Radiant’s Kaleidos microreactor.
What you'll do
- Design, specify, and qualify in-core and ex-core radiation detector systems for neutron flux and radiation monitoring.
- Model detector response using radiation transport codes and evaluate sensor performance in harsh and accident-condition environments.
- Integrate instrumentation with reactor monitoring, protection, and control systems and support verification and validation against customer and regulatory requirements.
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 with codes such as MCNP/OpenMC/Serpent.
- Proficient in at least one listed programming language; basic knowledge of thermal hydraulic principles.
Nice to have
- Hands-on experience designing, testing, or qualifying sensors/instrumentation in harsh environments.
- Experience with DAQ and reactor control system integration; familiarity with listed software or CAD tools is also a plus.
Pay
$115,175 – $162,225 USD base salary; offers equity (amount not stated).
Tools
MCNP, OpenMC, Serpent, Python, C++, C#, FORTRAN, DAQ
Model-written summary · the original posting is authoritative