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Senior Mechanical Engineer, Nuclear Systems and Safety

Job in Rockville, Montgomery County, Maryland, 20849, USA
Listing for: X-Energy, LLC
Full Time position
Listed on 2026-10-07
Job specializations:
  • Engineering
    Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 123000 - 139000 USD Yearly USD 123000.00 139000.00 YEAR
Job Description & How to Apply Below

X Energy, LLC is seeking a Mechanical/Systems Engineer to design, analyze, and verify SSCs for nuclear products. The role emphasizes conceptual development, CAD modeling, and integration across engineering teams to meet safety and technical requirements.

Responsibilities include performing hand calculations, using CAD/PLM tools, and contributing to design documentation and verification plans while ensuring compliance with 10

CFR and internal quality procedures.

We are seeking a motivated Senior Mechanical Engineer, Nuclear Systems and Safety to join X-Energy, LLC in Rockville, MD, United States.

We invite applications for the Senior Mechanical Engineer, Nuclear Systems and Safety position located in Rockville, MD, United States.

The following position is for a Senior Mechanical Engineer, Nuclear Systems and Safety with X-Energy, LLC.

Our team is growing, and we are hiring a Senior Mechanical Engineer, Nuclear Systems and Safety in Rockville, MD, United States.

Position Requirements
10+ Years work experience
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