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Senior Engineer, Thermal Hydraulics

Bellevue, WA 98008

Posted: 09/22/2025 Employment Type: Contract Job Number: 30953 Job Location: Remote Industry: SVCS - Services

Job Description

Position Title: Senior Engineer, Thermal Hydraulics
 
Position Description: Protingent Staffing has an exciting contract Senior Engineer, Thermal Hydraulics opportunity.
 
Job Responsibilities:
  •  Interface with test engineering and CFD modeling teams to design and conduct experiments for CFD model validation
    • Identify key figures of merit for model validation and how they may be measured experimentally
    • Support the development of test plans to isolate cause and effect for key figures of merit by varying experimental variables such as boundary conditions and operating states
    • Support the test engineering team by specifying data collection requirements, instrumentation, and procedures in support of model validation needs
    • Quantify/propagate measurement uncertainty into model inputs and outputs
  • Process and analyze raw experimental data:
    • Filter and organize raw data
    • Extract key metrics (e.g. pressure drop, heat flux, temperature maps) for direct model comparison
    • Iterate with modeling and simulation leads: propose new test points, update models, and re?validate
  • Perform code benchmarking and validation analyses to support code qualification and methodology development
  • Perform calculations using first principles of heat transfer, fluid dynamics, and thermodynamics to support and validate analysis results
  • Develop and apply other thermal-hydraulic analysis methods as needed, including steady state and transient scaled one-dimensional and three-dimensional methods
  • Integrate with other engineering groups performing aspects of component, system, fuel, and control system design and related thermal-hydraulic testing
  • Develop and implement custom software tools for the purposes of standardizing, organizing, and controlling things like project thermophysical properties or experimental datasets

Job Qualifications:
  •  PhD in Mechanical, Chemical, or Nuclear Engineering +3-5 years of related experience OR MS degree plus 6-8 years of related experience OR a Bachelor’s degree with 10-15 years of related experience
  • Experience implementing experimental methods in thermal-fluid systems, model validation, or interfacing with experimental teams
  • Experience with modeling dynamic thermal fluid systems
  • Proficiency with MathCAD or equivalent tool (MATLAB – Live Editor, Jupyter, Julia + Pluto, etc.)
  • Experience with Conjugate Heat Transfer tools and methods, including STARCCM+ or ANSYS CFX and/or Fluent is highly desired
  • Proficiency in package development using Python and GitHub
  • Experience with analysis of high temperature thermal-fluid systems is desired
  • Strong communication skills desired.
  • The service provider will possess a high degree of trust and integrity, communicate openly and display respect, and a desire to foster teamwork.

Job Details:
  • Contract
  • Pay Rate Range: $69 - $115/hr (Pay rates are approved based on candidate location, education, and experience.)
  • Location: Bellevue or Everett, WA or 100% REMOTE
  • Travel Required: 0-5%
  • 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.

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