Position Title: Senior Engineer, Plant Thermal Hydraulics Validation
Position Description: Protingent Staffing has an exciting contract Senior Engineer, Plant Thermal Hydraulics Validation opportunity.
Job Responsibilities:
Support verification, validation, and uncertainty quantification activities for plant scale thermal-hydraulic analysis tools.
Perform system-level steady-state and transient thermal-hydraulic simulations to evaluate model behavior, accuracy, and limitations.
Interpret and apply experimental data from separate effects and integral test facilities to support model validation and closure of technical gaps.
Define validation needs, develop test requirements, and collaborate closely with test engineering teams to ensure alignment between model gaps and experimental programs.
Document V&V methodologies, model assumptions, validation results, and uncertainty analyses for internal design processes and regulatory submittals.
Collaborate with multidisciplinary teams to support plant design, safety analysis, and licensing workflows.
Apply and improve company’s SQA and NQA1 modeling quality practices and ensure traceability and configuration control of analysis inputs, models, and results.
Job Qualifications:
Degree in Mechanical, Nuclear, Chemical Engineering, or similar field, with a minimum 6+ years of experience for level 10; advanced-degree equivalencies apply.
Experience should include system-level thermal hydraulic analysis and code assessment for nuclear or complex energy systems.
Demonstrated experience in code assessment, including model-to-test comparison, validation metric development, and uncertainty quantification.
Hands on experience working with experimental thermal hydraulic data, including data analysis, uncertainty evaluation, and comparison against system level predictions.
Experience with system analysis tools (e.g., RELAP5 3D, TRACE, SAS, or equivalent) applied to plant scale transient and steady-state evaluations.
Strong foundation in thermal-fluid and reactor system behavior considerations relevant to advanced reactor designs.
Experience with SQA and NQA 1 quality assurance practices for modeling workflows is highly preferred.
Strong analytical thinking, clear technical communication, and the ability to manage multiple validation tasks in parallel.
Job Details:
Job Type: Contract
Pay Rate Range: $56-$95/hr (Pay rates are approved based on candidate location, education and experience)
Location: Bellevue, WA or 100% Remote
Export control regulations require candidates to be a U.S. Citizen, U.S. Legal Permanent Resident, or of a protected person status.
Benefits Package: Protingent offers competitive salaries, insurance plan options (HDHP plan or POS plan), education/certification reimbursement, pre-tax commuter benefits, Paid Time Off (PTO), and an administered 401k plan. #TerraPro About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. We’re passionate about making a positive impact by connecting exceptional talent with meaningful opportunities and helping our clients build the future.
Numbers & Facts
Location
Bellevue, WA (Remote)
Salary
$56–$95 Per Hour
Skills
Aerospace and Defenseunmatched
Analysis Skillsunmatched
Artificial Intelligence (AI)unmatched
Change Controlunmatched
Chemical Engineeringunmatched
Clean Technologiesunmatched
Communication Skillsunmatched
Cross-Functionalunmatched
Customer Support/Serviceunmatched
Data Analysisunmatched
Hydraulic Engineeringunmatched
Information Technology & Information Systemsunmatched
Legalunmatched
Licensingunmatched
Medical Equipmentunmatched
Metricsunmatched
Model Validationunmatched
Multitaskingunmatched
Nuclear Engineeringunmatched
Plant Layout and Designunmatched
Quality Assurance Methodologyunmatched
Regulationsunmatched
Software Testingunmatched
Statistical Analysis System (SAS)unmatched
Systems Analysisunmatched
Test Plan/Scheduleunmatched
Test Requirementsunmatched
Testingunmatched
Thermal Analysisunmatched
Thermal Hydraulicsunmatched
Traceabilityunmatched
United States Citizenunmatched
Validation Testingunmatched
Workflow Analysisunmatched
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