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Computational Nuclear Engineer Jobs (NOW HIRING)

System One

Nuclear Methods Engineer

Bellevue, WA · Remote

$52 - $85/hr

Nuclear Methods Engineer Location: Bellevue, WA Type: Contract Compensation: $52.00 - $85.00 Work ... Strong computational expertise and programming skills in scientific computing languages (Python, C ...

Protingent

Nuclear Methods Engineer

Bellevue, WA · On-site

$52 - $85/hr

Nuclear Methods Engineer Position Description: Protingent Staffing has an exciting contract Nuclear ... Strong computational expertise required: we consider computers to be the universe at our fingertips ...

Airswift

Reactor Physics Engineer I & II

Houston, TX · On-site

$94K - $112K/yr

... nuclear energy organization. Works with increasing independence under the direction of senior ... Key Responsibilities • Perform reactor-physics and neutronics calculations and computational ...

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Computational Nuclear Engineer information

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How much do computational nuclear engineer jobs pay per year?

As of Sep 12, 2026, the average yearly pay for computational nuclear engineer in the United States is $105,594.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,500.00 and $118,000.00 per year, depending on experience, location, and employer.

What is a computational nuclear engineer?

Computational Nuclear Engineers are professionals who use advanced computer modeling, simulations, and numerical methods to analyze and solve problems in nuclear engineering. Their work supports the design, operation, and safety analysis of nuclear reactors and other nuclear systems. They develop and apply complex software tools to predict reactor behavior, optimize performance, and assess safety scenarios. This role often involves interdisciplinary collaboration with physicists, materials scientists, and other engineers to ensure the safe and efficient use of nuclear technology.

What are the key skills and qualifications needed to thrive as a computational nuclear engineer, and why are they important?

To thrive as a Computational Nuclear Engineer, you need a strong background in nuclear engineering principles, applied mathematics, and physics, typically supported by a degree in nuclear engineering or a related field. Proficiency in specialized simulation software (such as MCNP, SCALE, or SERPENT), programming languages (like Python or C++), and high-performance computing systems is essential. Analytical thinking, problem-solving skills, and effective communication set standout professionals apart in this field. These skills enable accurate modeling, safe reactor design, and effective collaboration on complex nuclear projects.

What are some common challenges faced by computational nuclear engineers in simulating reactor behavior?

Computational nuclear engineers often encounter challenges related to the complexity and scale of simulating nuclear reactor behavior. Accurately modeling physical phenomena such as neutron transport, heat transfer, and fluid dynamics requires advanced algorithms and significant computational resources. Additionally, ensuring the reliability and validation of simulation results against experimental data is critical. Collaboration with physicists, reactor operators, and software developers is common to address these challenges and improve the accuracy and efficiency of simulations.

What is the difference between Computational Nuclear Engineer vs Nuclear Reactor Engineer?

AspectComputational Nuclear EngineerNuclear Reactor Engineer
Required CredentialsEngineering degree, possibly advanced degrees, certifications in nuclear engineeringEngineering degree, licensing, and certifications in nuclear reactor operation
Work EnvironmentResearch labs, simulation centers, design officesReactor facilities, operational plants, maintenance sites
Industry UsageDesign, simulation, modeling of nuclear systemsReactor operation, safety, and maintenance

Computational Nuclear Engineers focus on modeling and simulation of nuclear systems using advanced computational methods, often working in research and design environments. In contrast, Nuclear Reactor Engineers are involved in the operation, safety, and maintenance of nuclear reactors. While both roles require nuclear engineering expertise, their daily tasks and work settings differ significantly.

What are popular job titles related to Computational Nuclear Engineer jobs?

For Computational Nuclear Engineer jobs, the most frequently searched job titles are:

Infographic showing various Computational Nuclear Engineer job openings in the United States as of September 2026, with employment types broken down into 91% Full Time, and 9% Contract. Highlights an 91% In-person, and 9% Remote job distribution, with an average salary of $105,594 per year, or $50.8 per hour.

Nuclear Methods Engineer

Bellevue, WA • Remote

System One
Business Consulting Services • 5 - 10K employees
Learn more about System Oneexternal

$52 - $85/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 24 days ago

Job description

Job Title: Nuclear Methods Engineer Location: Bellevue, WA Type: Contract Compensation: $52.00 - $85.00 Work Model: Remote – offsite Hours: 40.0 Overview System One is seeking a highly motivated Nuclear Methods Software Engineer for a yearlong, fully remote contract position. In this role, you will support the nuclear methods team:

Responsibilities

  • Create formal documentation of nuclear methods software requirements, design, implementation, and testing in support of licensing our client’s reactors
  • Update, improve, and/or create software to satisfy all licensing requirements during the Validation and Verification (V&V) process
  • Incorporate additional 3rd-party programs in our simulation ecosystem as necessary to support licensing
  • Design and execute sensitivity studies to understand the effects and validity of various modeling assumptions, including meshing, physics coupling, transport options, cross section preparation, fission product models, spatial kinetics, etc., and adjust methods as necessary
  • Train and support reactor designers and developers in the use of the design software suite
  • Build and apply methods to assess the propagation of uncertainty and their effect on safety margins
  • Enhance engineering team's ability to build models and make meaningful conclusions from simulation output through input tools, visualization, reports, etc.
Requirements
  • B.S. degree in Nuclear Engineering with 5-20 years of experience
  • M.S. degree in Nuclear Engineering with 3-15 years of experience
  • Ph.D. degree in Nuclear Engineering with 2-10 years of experience
  • Fast reactor physics and design intuition
  • Experience in nuclear design/analysis methodologies including criticality, flux/power distributions, fuel management optimization, reactivity coefficients, shielding, activation, control rod worth, detector response, and uncertainty analysis
  • Knowledge of reactor physics analysis methods (deterministic and stochastic particle transport, isotopic depletion, perturbation theory, nuclear data, kinetics, etc.)
  • Experience with nuclear engineering software such as DIF3D, MC2, PARTISN, MCNP, Serpent, SCALE, PARCS, APA, CASMO, DRAGON, ARMI, etc. preferred
  • Strong computational expertise and programming skills in scientific computing languages (Python, C++, Fortran bonus)
  • Proven ability to automate simulation tools and integrate software
  • Experience with software development tools (IDEs, version control, debuggers, documentation tools)
  • Knowledge of nuclear methodology interaction with the NRC under an ASME NQA-1 compliant QA environment preferred
  • Good understanding of numerical methods and applied mathematics (PDEs, stability, statistics, analysis, dynamics)
  • Strong technical documentation skills
  • Ability to meet aggressive schedules and deliver consistently
  • Self-motivated with a passion for software best practices and teamwork
  • Excellent verbal communication skills

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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Ref: #161-Managed Staffing Charlotte

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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

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