Nuclear Instrumentation Engineer — Sensors for Microreactors

Radiant System; El Segundo (CA); On-site; USD 100,000 - 150,000; Full time

Benefits offered by this job

Stock options

Medical plan (Silver to Platinum)

One Medical membership

Vision plan

Dental plan

Parental leave

Lunch and snacks

Flexible PTO

Job summary

Radiant, based in El Segundo, is seeking a Nuclear Engineer to own sensor and instrumentation solutions for the Kaleidos microreactor, including radiation detection, neutron flux monitoring, and instrumentation design for reactor physics and safety analyses.

You will lead instrumentation initiatives, work with a collaborative nuclear/engineering team, and help advance sensor technologies in a fast-paced startup environment.

Qualifications

• Bachelor's degree in nuclear engineering or equivalent from an accredited institution.
• 1-2+ years of nuclear engineering experience with exposure to radiation detection or instrumentation.
• Experience with radiation transport methods and codes such as MCNP/OpenMC/Serpent.
• Proficiency in Python, C++, C#, FORTRAN or similar scientific computing language.
• Basic knowledge of thermal hydraulics and strong written/oral communication.

Responsibilities

• Design, specify, and qualify detector systems for neutron flux and radiation monitoring.
• Support detector response modeling and verification using radiation transport codes.
• Evaluate sensor survivability under high-temperature and high-radiation conditions.
• Collaborate with reactor control/DAQ engineers to integrate sensor outputs.
• Support V&V of instrumentation against requirements and standards.
• Provide cross-functional feedback and guidance to engineering teams.
• Handle other nuclear instrumentation and sensor design tasks as assigned.

Skills

Nuclear engineering

Radiation detection

Instrumentation design

Detector modeling

Python

C++

Communication

Education

Bachelor's in nuclear engineering

Tools

MCNP

OpenMC

Serpent

Attila4MC

ADVANTG

Job description

Radiant, based in El Segundo, is seeking a Nuclear Engineer to own sensor and instrumentation solutions for the Kaleidos microreactor, including radiation detection, neutron flux monitoring, and instrumentation design for reactor physics and safety analyses.

You will lead instrumentation initiatives, work with a collaborative nuclear/engineering team, and help advance sensor technologies in a fast-paced startup environment.