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X-Energy, LLC
Science, Technology, Engineering, and Math

Science, Technology, Engineering, and Math jobs at X-Energy, LLC

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X-Energy, LLC jobs in Rockville
X-Energy, LLC jobs in Oak Ridge

X-Energy, LLC: Science, Technology… | Metaintro

58 open roles

RoleLocationSetupPayPosted

Health PhysicistScience, Technology, Engineering, and MathOak Ridge · $112.9K – $149.6K/yrOak Ridge—$112.9K – $149.6K/yr15d ago
Lead, MESScience, Technology, Engineering, and MathOak Ridge · $119.3K – $159.8K/yrOak Ridge—$119.3K – $159.8K/yr3d ago
Engineering Integration ManagerScience, Technology, Engineering, and MathRockville · Hybrid · $162.5K – $207.5K/yrRockvilleHybrid$162.5K – $207.5K/yr18d ago
Manager, Mechanical Engineer - Reactor InternalsScience, Technology, Engineering, and MathRockville · Hybrid · $185K – $207K/yrRockvilleHybrid$185K – $207K/yrSep 9, 2026
Civil Engineering Internship - Summer 2027Science, Technology, Engineering, and MathRockville · $25/hrRockville—$25/hr13d ago
Thermal Analysis EngineerScience, Technology, Engineering, and MathRockville · Hybrid · $75K – $100K/yrRockvilleHybrid$75K – $100K/yrAug 13, 2026
Engineer IV - VI, Nuclear Safety AnalysisScience, Technology, Engineering, and MathRockville · Hybrid · $112K – $166K/yrRockvilleHybrid$112K – $166K/yrJul 31, 2026
Materials Engineer (Creep & High Temp Metallics Design)Science, Technology, Engineering, and MathRockville · Hybrid · $110K – $135K/yrRockvilleHybrid$110K – $135K/yrMay 20, 2026
Systems EngineerScience, Technology, Engineering, and MathRockville · Hybrid · $120K – $145K/yrRockvilleHybrid$120K – $145K/yr23d ago
Thermal Analysis ManagerScience, Technology, Engineering, and MathRockville · Hybrid · $140K – $180K/yrRockvilleHybrid$140K – $180K/yr25d ago
Manager, Mechanical EngineeringScience, Technology, Engineering, and MathRockville · $162.5K – $207.5K/yrRockville—$162.5K – $207.5K/yr17d ago
Engineer IV, Nuclear Fuel SystemsScience, Technology, Engineering, and MathRockville · Remote · $135K – $170K/yrRockvilleRemote$135K – $170K/yrAug 26, 2026
Mechanical Design EngineerScience, Technology, Engineering, and MathRockville · Hybrid · $95K – $120K/yrRockvilleHybrid$95K – $120K/yrAug 13, 2026
Engineer I–IV, Thermal-Hydraulic Safety Analysis & V&VScience, Technology, Engineering, and MathRockville · Hybrid · $85K – $187K/yrRockvilleHybrid$85K – $187K/yr4d ago
Project Management InternScience, Technology, Engineering, and MathOak Ridge · $25/hrOak Ridge—$25/hr24d ago
Engineer III-IV, Engineering StrategyScience, Technology, Engineering, and MathRockville · Hybrid · $107.5K – $179.2K/yrRockvilleHybrid$107.5K – $179.2K/yrAug 17, 2026
Mechanical Design Engineer (Steam Generator)Science, Technology, Engineering, and MathRockville · Hybrid · $131K – $218.3K/yrRockvilleHybrid$131K – $218.3K/yrAug 13, 2026
Technical Fellow, Instrumentation and ControlsScience, Technology, Engineering, and MathRockville · Hybrid · $254.6K – $284.8K/yrRockvilleHybrid$254.6K – $284.8K/yr6d ago
Technician IV, Test LaboratoryScience, Technology, Engineering, and MathBallenger Creek · Hybrid · $43.3 – $52.9/hrBallenger CreekHybrid$43.3 – $52.9/hr9d ago
Systems Engineering Internship - Summer 2027Science, Technology, Engineering, and MathRockville · $25/hrRockville—$25/hr13d ago
Manager, Plant & Process SystemScience, Technology, Engineering, and MathRockville · Hybrid · $162.5K – $207.5K/yrRockvilleHybrid$162.5K – $207.5K/yr9d ago
Engineer III, Nuclear PackagingScience, Technology, Engineering, and MathRockville · Hybrid · $122.5K – $138.8K/yrRockvilleHybrid$122.5K – $138.8K/yrSep 11, 2026
Microreactor System Engineer III-IVScience, Technology, Engineering, and MathHybrid · $120K – $145K/yr—Hybrid$120K – $145K/yrSep 11, 2026
Fire Protection Engineering Internship - Summer 2027Science, Technology, Engineering, and MathOak Ridge · $25/hrOak Ridge—$25/hr12d ago
Structural Analysis Engineer, MetallicsScience, Technology, Engineering, and MathRockville · Hybrid · $95K – $120K/yrRockvilleHybrid$95K – $120K/yrAug 13, 2026
Test Engineering Internship - Summer 2027Science, Technology, Engineering, and MathRockville · $25/hrRockville—$25/hr13d ago
Process Engineering Internship - Summer 2027Science, Technology, Engineering, and MathOak Ridge · $25/hrOak Ridge—$25/hr13d ago
Engineer V, Configuration ManagementScience, Technology, Engineering, and MathRockville · Hybrid · $185K – $210K/yrRockvilleHybrid$185K – $210K/yrAug 17, 2026
Senior Pressure Vessels/Tanks EngineerScience, Technology, Engineering, and MathRockville +1 · Hybrid · $185K – $210K/yrRockville +1Hybrid$185K – $210K/yrSep 10, 2026
Nuclear Software Engineering ManagerScience, Technology, Engineering, and MathRockville · Hybrid · $137.8K – $229.7K/yrRockvilleHybrid$137.8K – $229.7K/yr24d ago
Test Engineer II/III, MechanicalScience, Technology, Engineering, and MathRockville · Hybrid · $76.1K – $126.8K/yrRockvilleHybrid$76.1K – $126.8K/yrAug 13, 2026
CFD/ Thermal Hydraulics Engineer IIIScience, Technology, Engineering, and MathRockville · Hybrid · $122.5K – $138.8K/yrRockvilleHybrid$122.5K – $138.8K/yr17d ago
Director, EngineeringScience, Technology, Engineering, and MathRockville · Hybrid · $213.8K/yrRockvilleHybrid$213.8K/yrSep 10, 2026
Nuclear Engineering Internship - Summer 2027Science, Technology, Engineering, and MathRockville · $25/hrRockville—$25/hr13d ago
Nuclear Criticality Safety EngineerScience, Technology, Engineering, and MathOak Ridge · $93.2K – $122.1K/yrOak Ridge—$93.2K – $122.1K/yr12d ago
Director, Engineering IntegrationScience, Technology, Engineering, and MathRockville · Hybrid · $213.8K – $242.5K/yrRockvilleHybrid$213.8K – $242.5K/yr24d ago
Mechanical Engineer, GraphiteScience, Technology, Engineering, and MathRockville · Hybrid · $95K – $120K/yrRockvilleHybrid$95K – $120K/yrAug 13, 2026
Materials EngineerScience, Technology, Engineering, and MathRockville · Hybrid · $80.1K – $103.7K/yrRockvilleHybrid$80.1K – $103.7K/yr23d ago
Mechanical Engineering Internship - Summer 2027Science, Technology, Engineering, and MathRockville · $25/hrRockville—$25/hr24d ago
Process Engineer IV - VI : Waste ManagementScience, Technology, Engineering, and MathOak Ridge · $130K – $150K/yrOak Ridge—$130K – $150K/yr12d ago
Engineer V-VI, LicensingScience, Technology, Engineering, and MathRockville · Hybrid · $165K – $190K/yrRockvilleHybrid$165K – $190K/yrAug 13, 2026
Engineer II, Plant & ProcessScience, Technology, Engineering, and MathRockville · $105K – $117.5K/yrRockville—$105K – $117.5K/yrAug 26, 2026
Chemical EngineerScience, Technology, Engineering, and MathRockville · Hybrid · $100K – $140K/yrRockvilleHybrid$100K – $140K/yrAug 13, 2026
Licensing Engineer II-VI, Risk-Informed Safety AnalysisScience, Technology, Engineering, and MathRockville · Hybrid · $88.7K – $147.9K/yrRockvilleHybrid$88.7K – $147.9K/yrAug 13, 2026
Heat Exchanger Design EngineerScience, Technology, Engineering, and MathRockville · Hybrid · $185K – $207.5K/yrRockvilleHybrid$185K – $207.5K/yrSep 10, 2026
Project EngineerScience, Technology, Engineering, and MathOak Ridge · $110K – $135K/yrOak Ridge—$110K – $135K/yr24d ago
Engineer IV-V, Risk Informed Safety AnalysisScience, Technology, Engineering, and MathRockville · Hybrid · $146.3K – $168.8K/yrRockvilleHybrid$146.3K – $168.8K/yrAug 12, 2026
Mechanical Systems Design EngineerScience, Technology, Engineering, and MathRockville · Hybrid · $115K – $140K/yrRockvilleHybrid$115K – $140K/yrAug 13, 2026
HVAC Mechanical Design EngineerScience, Technology, Engineering, and MathRockville +1 · $120K – $145K/yrRockville +1—$120K – $145K/yr24d ago
Configuration ManagerScience, Technology, Engineering, and MathRockville · Remote · $162.5K – $185K/yrRockvilleRemote$162.5K – $185K/yr11d ago

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