Jobs at X-energy
Software and data · 50+ open roles · board last read September 19, 2026
Systems Engineer
Senior Manager, Construction Projects
Materials Engineer
HVAC Mechanical Design Engineer
Nuclear Software Engineering Manager
Growth & Strategy Internship - Summer 2027
Civil Engineering Internship - Summer 2027
Test Engineering Internship - Summer 2027
Mechanical Engineering Internship - Summer 2027
Nuclear Engineering Internship - Summer 2027
Process Engineer VI - Nuclear Waste Management
Director, Engineering Integration
Project Management Intern
Thermal Analysis Manager
Nuclear Security (Physical)/Safeguards Compliance Analyst V
Project Engineer
Project Controls Engineer
CAD/3D Electrical Designer IV
Systems Engineer
Principal Materials Engineer (Metallics) - Advanced Nuclear Technology
Microreactor System Engineer III-IV
Engineer III, Nuclear Packaging
Procurement Administrator
Test Manager, Helium Test Facility
Senior Pressure Vessels/Tanks Engineer
Heat Exchanger Design Engineer
Director, Engineering
Test Hardware Design Engineer
Project Controls Lead
Graphite Materials Manager
Manager, Mechanical Engineer - Reactor Internals
Project Controls Engineer II (Risk Management)
Associate II, Business Development and Structuring
Subcontracts Administrator
Construction Project Engineer (Electrical, I &C)
Construction Project Engineer (Process & Mechanical)
Procurement Engineer
Senior Project Architect
Engineer IV, Cybersecurity
Engineer IV, Nuclear Fuel Systems
Commissioning Test Engineer
Engineer II, Plant & Process
Engineer IV, Project Quality Assurance
Construction Quality Engineer
Nuclear Completion Engineer
Principal Nuclear Assurance Engineer
Engineer IV, AI & Digital Engineering
Senior Engineering Manager - Projects
Procurement Administrator IV
Data Integration Manager
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