Principal Nuclear Safety Analyst

Information Systems Laboratories, Inc.; Idaho; Hybrid; USD 140,000 - 190,000; Full time

Job summary

Information Systems Laboratories, Inc. (ISL) in Idaho Falls seeks a Principal Analyst for the Nuclear Safety Analysis team.

The role combines research, development, and customer contract work, engaging with advanced reactor and fuel vendors to meet NRC/DOE licensing requirements. You will work on modeling and simulation of thermal-hydraulics, nuclear physics, fuel performance, and radiological consequences, and contribute to safety basis documentation, hazard analyses, and transient analyses.

Qualifications

• B.S. or M.S. in Nuclear or Mechanical Engineering.
• 15–20 years of experience in the nuclear industry.
• Prior safety analysis and/or reactor design experience.
• Ability to solve complex problems and communicate results clearly.
• Teamwork and adaptability in dynamic environments.

Responsibilities

• Work on safety analysis and model development for LWR, SMR, and advanced reactors.
• Perform hazard analysis, safety basis events, and transient analyses.
• Create technical reports, white papers, and presentations for clients.
• Support licensing efforts with NRC/DOE documentation.

Skills

Problem solving

Team collaboration

Independent worker

Adaptability

Verifying results

Strong communication

Education

B.S. or M.S. in Nuclear or Mechanical Engineering

Tools

RELAP5-3D

TRACE

MCNP

SCALE

PARCS

FAST

RADTRAD

Mathcad/Octave

Python/Java

Job description

Job Type: Full Time
Job Location: Idaho Falls, ID, or eligible for remote work depending on experience

Information Systems Laboratories, Inc. (ISL) is seeking a Principal Analyst for a full-time position on the Nuclear Safety Analysis team. ISL (www.islinc.com) is a high-tech, employee-owned technology-development company. ISL’s Energy, Space, and Risk Management division provides comprehensive support to the nuclear and space industries, including nuclear safety analysis, complex modeling and simulation, nuclear software development throughout the entire software lifecycle, regulatory framework and procedures development, waste management tracking, risk management, and cybersecurity.

Job Description

The analyst will work alongside safety analysis experts performing a mix of research and development and customer contract work. Customers are generally advanced reactor and fuel vendors requiring ISL’s unique safety analysis expertise to meet licensing requirements of the U.S. NRC or DOE.

ISL has a culture of building from fundamentals to solve complicated engineering problems in the nuclear industry, including modeling and simulation of:

• System and core thermal-hydraulics (RELAP5-3D, TRACE, VIPRE-01)
• Nuclear physics (MCNP, SCALE, PARCS)
• Fuel performance (FAST)
• Radiological consequences (RADTRAD)

Work tasks may include hazard analysis, safety basis event identification, model and simulation development, transient analyses, and safety basis documentation for existing LWR, SMR, and advanced reactor designs.

This position includes writing technical reports and white papers, creating presentations, and other related tasks needed to communicate ideas, problems, and solutions.

The position offers a unique opportunity to advance the state of the art, publish research, present at conferences and workshops, and develop industry contacts and relationships.

Requirements

• A B.S. or M.S. degree in Nuclear or Mechanical Engineering
• 15–20 years of experience in the nuclear industry
• Prior safety analysis and/or reactor design experience
• A self-starter who:
  • Works well within a team or independently
  • Has demonstrated ability to solve complex problems
  • Can adapt to changing situations
  • Demonstrates a strong commitment to verifying results and ensuring they are technically sound
• Experience with fluid dynamics, heat transfer, nuclear physics, and/or structural mechanics
• Experience with RELAP5-3D or TRACE
• Experience with U.S. NRC licensing (NUREGs, Reg. Guides, etc.)
• Experience with safety basis events, categories, and transient analysis
• Familiarity with historic, operating, and advanced nuclear reactors

Desired Skills

• Demonstrated knowledge of the fundamentals of nuclear physics
• Familiarity with nuclear quality assurance (ASME NQA-1)
• Familiarity with U.S. DOE authorization basis
• Experience with design basis accident dose analysis
• Experience with radiation shield design and modeling and simulation
• Experience with:
  • General calculation software such as Mathcad and/or Octave,
  • Nuclear physics codes such as MCNP, SCALE, PARCS, etc.,
  • CFD and Multiphysics codes,
  • Solid modeling or CAD, and
  • Basic scripting or light programming skills (Python, Java, etc.)

Security Clearance

This position requires eligibility to obtain and maintain a U.S. Government security clearance.

Equal Employment Opportunity

Information Systems Laboratories, Inc. (ISL) is an Equal Opportunity Employer. We provide equal employment opportunities to all qualified applicants and employees without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.

ISL provides reasonable accommodation to qualified individuals with disabilities in accordance with applicable law.