Junior Nuclear Engineer: Safety Analysis & Modeling

Information Systems Laboratories, Inc.; Idaho Falls (ID); On-site; USD 60,000 - 80,000; Full time

Job summary

Information Systems Laboratories, Inc. (ISL) seeks a Junior Engineer for a full-time role in the Nuclear Safety Analysis team in Idaho Falls. You will work on modeling, simulations, and analyses with tools like RELAP5-3D, MCNP, VIPRE01, and TRACE, supporting NRC/DOE licensing efforts.

The position emphasizes fundamentals-led problem solving, technical reporting, and collaboration with safety analysis experts. A strong writing skills and willingness to learn are essential.

Qualifications

• B.S. or M.S. in Nuclear or Mechanical Engineering.
• 0–5 years of experience in nuclear engineering or related field.
• Background in fluid dynamics and heat transfer.
• Strong technical writing and communication skills.
• Self-starter who works well in a team or independently.

Responsibilities

• Support safety analysis research, development, and customer projects.
• Prepare technical reports, white papers, and presentations.
• Communicate methods and results clearly to customers and internal teams.
• Learn from experts to apply state-of-the-art safety analysis tools.

Education

Eng degree (Nuclear/Mech)

Tools

RELAP5-3D

MCNP

VIPRE01

TRACE

MATLAB/Octave

Python

CAD

SharePoint

MS Office

Job description

Information Systems Laboratories, Inc. (ISL) seeks a Junior Engineer for a full-time role in the Nuclear Safety Analysis team in Idaho Falls. You will work on modeling, simulations, and analyses with tools like RELAP5-3D, MCNP, VIPRE01, and TRACE, supporting NRC/DOE licensing efforts.

The position emphasizes fundamentals-led problem solving, technical reporting, and collaboration with safety analysis experts. A strong writing skills and willingness to learn are essential.