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CFD & Thermal Hydraulics Engineer III​/IV — Nuclear Systems

Job in Gaithersburg, Montgomery County, Maryland, 20883, USA
Listing for: X-energy
Full Time position
Listed on 2026-10-06
Job specializations:
  • Engineering
    Systems Engineer, Energy Engineer, Mechanical Engineer
  • Energy/Power Generation
    Energy Engineer
Salary/Wage Range or Industry Benchmark: 123000 - 155000 USD Yearly USD 123000.00 155000.00 YEAR
Job Description & How to Apply Below

X-energy is seeking a CFD/Thermal Hydraulics Engineer III-IV in the Gaithersburg/Rockville area and on-site at 9801 Washingtonian Blvd, Gaithersburg, MD. The role focuses on design and development of mechanical systems for nuclear products, with emphasis on CFD, heat transfer and safety assessments.

You will lead analyses, develop documentation, and validate analytical tools while coordinating with systems engineers to ensure compliance with project requirements and licensing bases.

This position is for the CFD & Thermal Hydraulics Engineer III/IV — Nuclear Systems role at X-energy.

We are seeking a motivated CFD & Thermal Hydraulics Engineer III/IV — Nuclear Systems to join X-energy in Gaithersburg, MD, United States.

Consider building your career as a CFD & Thermal Hydraulics Engineer III/IV — Nuclear Systems at X-energy.

The CFD & Thermal Hydraulics Engineer III/IV — Nuclear Systems position in the Engineering field is open for applications.

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