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Nuclear HTGR Chemical Engineer — Thermal-Fluid Modeling

Job in Gaithersburg, Montgomery County, Maryland, 20883, USA
Listing for: X-energy
Full Time position
Listed on 2026-08-22
Job specializations:
  • Engineering
    Chemical Engineering
Salary/Wage Range or Industry Benchmark: 100000 - 140000 USD Yearly USD 100000.00 140000.00 YEAR
Job Description & How to Apply Below

X Energy, LLC in Gaithersburg, MD seeks a mid-level Chemical Engineer to support the design, analysis, and optimization of HTGR chemical and thermal-hydraulic systems. You will model and validate processes, heat transfer, and material behavior using ASPEN, COMSOL, and related tools while coordinating with project leadership and engineering teams.

The role emphasizes integration of helium Brayton and Rankine cycles, high-temperature materials, and safety compliance with NRC/ASME standards.

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