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Thermal Hydraulics Engineer

Job in Bellevue, King County, Washington, 98009, USA
Listing for: Talascend, LLC
Full Time position
Listed on 2026-01-12
Job specializations:
  • Engineering
    Mechanical Engineer, Systems Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Talascend is currently seeking a Thermal Hydraulics Engineer for a contract opportunity with our client in Bellevue, Washington (State).

Overview

The role involves supporting analysis and design efforts of thermal-fluid and energy systems for the liquid sodium-cooled Natrium Reactor Program, focusing on investigations and analyses of thermal hydraulics, fluid dynamics, and fluid-structural interactions.

Responsibilities
  • Performing analysis and design of structures, systems, and components for the Natrium Reactor.
  • Computational thermal-fluid and thermal-structural analysis using multi-dimensional CFD tools.
  • Perform steady state and transient hydraulic network analysis.
  • Document and present results to peers and outside organizations.
  • Support continuous learning and application of nuclear industry best practices to maintain high quality of engineering design.
  • Proactively identify process change/enhancement opportunities.
  • Work with cross-disciplinary teams to analyze thermal and mechanical design considerations for the reactor and its components.
Qualifications
  • Degree in Mechanical, Nuclear, or Chemical engineering (or equivalent) with 5 plus years in the field of Computational Fluid Dynamics.
  • Minimum of 3 years of demonstrated use of Siemens CFD package STAR-CCM+.
  • Preferred: M.S. Degree in Mechanical, Nuclear, or Chemical engineering (or equivalent) with 3 plus years in the field of Computational Fluid Dynamics.
Requirements
  • Working knowledge of variety CFD best practices, modeling approaches, meshing parameters to be suited for specific applications balancing accuracy, computer resources.
  • Experience with modeling dynamic thermal fluid systems.
  • Experience with one or more CAD modeling tools such as Solid Works preferred.
  • Experience with nuclear systems applications of Computational Fluid Dynamics a plus.
  • Experience with analysis of high temperature thermal-fluid systems a plus.
  • Experience with low Prandtl number fluid heat transfer a plus.
  • Familiarity and experience with CFD verification and validation of computational modeling methodologies a plus.
  • Experience in Software Quality Assurance (SQA) program and Nuclear Quality Assurance (NQA-1) standards highly preferred.
  • Creative thinker with demonstrated strong analytical/problem solving skills.
  • Ability to work on multiple tasks concurrently during a given work week.
  • Strong communication skills desired.
  • The successful candidate will possess a high degree of trust and integrity, communicate openly and display respect, and a desire to foster teamwork.
  • Travel required:

    0-5%.

We thank all applicants for their interest. However, only those qualified individuals who closely meet the qualifications of the position will be contacted. The details of the position are only a summary, other duties may be assigned as necessary.

Background Check and Drug Screen may be required.

Pay range is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. Talascend also offers a variety of benefits including: health and disability insurance, 401(k),EAP, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on dateof hire, plan requirements, schedule type, and client work site mandates.

Talascend is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race,religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, orveteran status.

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