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Thermal Hydraulic Software Analysis Engineer

ProtingentSeattle, WAMay 17th, 2026
Job DescriptionPosition Title: Thermal Hydraulic Software Analysis EngineerPosition Description: Protingent Staffing has an exciting contract Thermal Hydraulic Software Analysis Engineer opportunity.Job Responsibilities:Perform thermal hydraulic analysis and engineering calculation/assessment of nuclear reactor core components and structures in exploration of reactor architecture options including component selections, configurations, and sizing in support of the design of Reactor demonstration reactor system using in-house thermal-hydraulic software, computational fluid dynamic software, and hand calculationsWork with cross-disciplinary teams to analyze the thermal and mechanical design considerations for the reactor and its componentsProvide technical presentations on analyses performed to the broader team.Prepare informal and formal reports to document findings and make reasoned recommendations, and report to core thermal hydraulic team manager/lead.Job Qualifications:B.S., M.S., or Ph.D in Mechanical, Nuclear, or other relevant technical Engineering area from an accredited universityMinimum of 6+ years of experience in the relevant industry with a B.S. degree, or 3+ years with an M.S or D. degree with demonstrated ability to perform the thermal-hydraulic analysis of nuclear reactor core components for simulation-based designStrong background in nuclear thermal-hydraulics analysis, with demonstrated expertise in evaluating and performing engineering calculations related to the flow distribution, pressure drop and heat transfer in nuclear reactor cores, as proven through university research, publications, and/or work experienceDemonstrated expertise in Python programming for nuclear thermal-hydraulic software development, maintenance, and modeling and simulation. Proficient in C++ programming language and numerical solver development a plusProven problem-solving skills and a willingness to apply those skills to a variety of engineering problems.Knowledge and experience in liquid metal thermal-hydraulics or experience with nuclear reactor system analysis codes highly preferredExperience in nuclear industry preferredExperience working with high-performance computing (HPC) environments preferredExperience in Software Quality Assurance (SQA) program and Nuclear Quality Assurance (NQA-1) standards highly preferredMust have excellent verbal and written communication skills due the NQA-1 environment and requirements for formally documenting calculationsThe successful candidate will possess a high degree of trust and integrity, communicate openly and display respect, and a desire to foster teamworkActual position starting level and title will be determined based on assessment of qualifications.Travel Required: 0-5%.Job Details:Job Type: ContractPay 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 statusBenefits 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.#TerraProAbout 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.