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Senior Mechanical Engineer, Plant & Process Design

Job in Rockville, Montgomery County, Maryland, 20849, USA
Listing for: X-energy
Full Time position
Listed on 2026-11-04
Job specializations:
  • Engineering
    Mechanical Engineer
  • Energy/Power Generation
Salary/Wage Range or Industry Benchmark: 105000 - 118000 USD Yearly USD 105000.00 118000.00 YEAR
Job Description & How to Apply Below

X Energy, LLC, based in the United States, is seeking a Mechanical Engineer to complete design and assist with analysis of structures, systems, and components for advanced reactors, including HTGRs and space reactor concepts.

You will coordinate with multiple disciplines to ensure interfaces and modular design integrity, develop CAD models, and support prototype testing as a cognizant engineer. This full-time onsite role requires strong hand calculations and DS knowledge.

The following opening is for a Senior Mechanical Engineer, Plant & Process Design with X-energy.

The Senior Mechanical Engineer, Plant & Process Design position in the Engineering field is open for applications.

We have an opening for a Senior Mechanical Engineer, Plant & Process Design in Rockville, MD, United States within Engineering.

This role, Senior Mechanical Engineer, Plant & Process Design at X-energy, could be your next career step.

Position Requirements
10+ Years work experience
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