Idaho National Laboratory · 2 weeks ago
Computational Thermal-Hydraulics Engineer
Idaho Falls, ID
Full-time
Onsite
Entry, Mid Level
$79K/yr - $163K/yr
2+ years expIdaho National Laboratory (INL) is seeking a highly motivated Computational Thermal-Hydraulics Engineer to support advanced modeling and simulation efforts for nuclear energy systems. The role involves developing and executing CFD models, performing high-fidelity simulations, and collaborating with multidisciplinary teams to support the development of next-generation nuclear technologies.
BiofuelEnergyHomeland SecurityInformation Technology
No H1B
Responsibilities
Develop and execute CFD models using tools such as STAR-CCM+ and nekRS for thermal-hydraulic analysis
Perform high-fidelity simulations including Large Eddy Simulations (LES) and Direct Numerical Simulations (DNS)
Conduct benchmarking and validation studies using experimental data from national and international facilities
Support verification and validation (V&V) activities for independent analysis and regulatory-grade assessments
Analyze and compare simulation results across multiple institutions and tools to identify trends and discrepancies
Apply NEAMS tools for thermal-hydraulic modeling and analysis of nuclear systems
Model natural convection systems, including radiative heat transfer effects
Prepare technical reports, peer-reviewed publications, and presentations for sponsors and conferences
Collaborate with multidisciplinary teams including experimentalists, analysts, and software developers
Qualification
Required
Bachelor of Science in Nuclear Engineering or directly related engineering degree from an ABET-accredited institution and (2) years of related experience or Master's degree in Nuclear Engineering or closely related field from an ABET-accredited institution
Develop and execute CFD models using tools such as STAR-CCM+ and nekRS for thermal-hydraulic analysis
Perform high-fidelity simulations including Large Eddy Simulations (LES) and Direct Numerical Simulations (DNS)
Conduct benchmarking and validation studies using experimental data from national and international facilities
Support verification and validation (V&V) activities for independent analysis and regulatory-grade assessments
Analyze and compare simulation results across multiple institutions and tools to identify trends and discrepancies
Apply NEAMS tools for thermal-hydraulic modeling and analysis of nuclear systems
Model natural convection systems, including radiative heat transfer effects
Prepare technical reports, peer-reviewed publications, and presentations for sponsors and conferences
Collaborate with multidisciplinary teams including experimentalists, analysts, and software developers
Preferred
Ph.D. in Nuclear Engineering or a closely related field from an ABET-accredited institution
Hands-on experience with CFD tools such as STAR-CCM+ and nekRS
Knowledge of high-fidelity simulation methods (LES, DNS)
Experience with V&V methodologies and benchmarking of experimental facilities
Familiarity with NEAMS thermal-hydraulic modeling tools
Understanding of natural convection and radiative heat transfer in nuclear systems
Experience with dry cask storage modeling and re-criticality simulations
Proficiency in programming languages such as Python, C++, or FORTRAN for data processing and automation
Familiarity with high-temperature gas-cooled reactors and advanced reactor concepts
Benefits
Medical, Dental, Vision, and Flexible Spending Accounts
401(k) with a 4.2% employer contribution and up to 4.8% match
Paid time off (personal leave)
Employee Education Program (tuition assistance)
Comprehensive Relocation Package
Company
Idaho National Laboratory
Idaho National Laboratory USDOE is a research laboratory focused on the development, demonstration, and deployment of nuclear energy.
5001-10000 employees
Funding
Current Stage
Late StageTotal Funding
$7.5MKey Investors
US Department of EnergyU.S. Department of Homeland Security
2024-07-02Grant· $7.5M
2023-01-17Grant
Leadership Team
David Teter
Deputy Laboratory Director of Management & Operations / Chief Operations Officer
Recent News
Idaho Business Review
2026-01-09
2026-01-09
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