X-energy

Open roles (66)

• Process Engineer VI - Nuclear Waste Management

  Oak Park, us · full time · posted 2026-09-17

• Assistant Project Manager

  Oak Park, us · full time · posted 2026-09-16

• Systems Engineer

  Oak Park, us · full time · posted 2026-09-14

• Procurement Administrator

  Oak Park, us · full time · posted 2026-09-11

• Heat Exchanger Design Engineer

  Rockville, us · internship · posted 2026-09-10

• Graphite Materials Manager

  Rockville, us · full time · posted 2026-09-09

• Project Controls Engineer II (Risk Management)

  Rockville, us · full time · posted 2026-09-08

• Technical Fellow, Nuclear Quality Assurance

  Rockville, us · full time · posted 2026-09-02

• Procurement Engineer

  Oak Park, us · contract · posted 2026-09-02

• Engineer IV, Project Quality Assurance

  Rockville, us · full time · posted 2026-08-27

• Systems Engineer III-VI

  Rockville, us · full time · posted 2026-08-20

• Procurement Administrator IV

  Rockville, us · full time · posted 2026-08-19

• Software Engineer III, AI Digital & Engineering Software

  Rockville, us · full time · posted 2026-08-18

• Software Engineer V, AI Digital & Engineering Software

  Rockville, us · full time · posted 2026-08-18

• Machinist V, CNC Programmer

  Frederick, md · full time · posted 2026-08-18

• Senior Process Engineer

  Oak Park, us · full time · posted 2026-08-17

• Project Engineer III

  Oak Park, us · full time · posted 2026-08-13

• Software Engineer V, Forward Deployed

  Rockville, us · posted 2026-08-12

• Test Manager, Helium Test Facility

  Rockville, us · full time · posted 2026-08-06

• Systems Administrator IV, Enterprise Content Management

  Rockville, us · contract · posted 2026-08-04

• Senior Manager, Brand Marketing

  Remote · full time · posted 2026-08-03

• Commissioning Test Engineer

  Oak Park, us · full time · posted 2026-07-29

• CAD/3D Electrical Designer IV

  Rockville, us · full time · posted 2026-07-28

• Test Engineer II/III, Mechanical

  Rockville, us · full time · posted 2026-07-28

• Nuclear Software Engineering Manager

  Rockville, us · full time · posted 2026-07-27

• Mechanical Engineering Manager (Pressure Vessel)

  Rockville, md · full time · posted 2026-07-27

• Associate II, Growth & Strategy

  Rockville, us · full time · posted 2026-07-27

• Senior Project Architect

  Rockville, us · full time · posted 2026-07-27

• Manager, Customer Relationship Management

  md · full time · posted 2026-07-27

• Project Controls Engineer

  Rockville, us · full time · posted 2026-07-24

• Construction Quality Engineer

  Oak Park, us · contract · posted 2026-07-22

• Microreactor System Engineer III-IV

  Rockville, md · full time · posted 2026-07-21

• Engineering Manager - Projects

  Oak Park, us · full time · posted 2026-07-21

• Project Controls Engineer III (Risk Management)

  Rockville, us · full time · posted 2026-07-20

• Senior Cyber Systems Administrator

  Rockville, us · full time · posted 2026-07-17

• Senior Manager, Project Controls

  Rockville, us · full time · posted 2026-07-16

• Mechanical Design Engineer – Reactor Internals (In-Vessel Shielding)

  Rockville, us · internship · posted 2026-07-16

• Fire Protection Design Engineer

  Rockville, us · contract · posted 2026-07-15

• Director, Business Development Strategy & Executive Operations

  Rockville, us · full time · posted 2026-07-15

• Engineer IV, Cybersecurity

  Rockville, us · full time · posted 2026-07-14

• Subcontract Technical Manager

  Oak Park, us · contract · posted 2026-07-09

• Manager, IT Projects

  Oak Park, us · full time · posted 2026-07-09

• Senior Manager, Construction Projects

  Oak Park, us · contract · posted 2026-07-09

• Purchasing Manager

  Oak Park, us · contract · posted 2026-07-09

• Associate IV, Business Development and Structuring

  Rockville, us · full time · posted 2026-07-08

• Project Controls Lead

  Rockville, us · full time · posted 2026-07-07

• Project Manager

  Oak Park, us · contract · posted 2026-07-07

• HVAC Mechanical Design Engineer

  Rockville, us · contract · posted 2026-07-02

• Mechanical Design Engineer

  Rockville, us · internship · posted 2026-07-02

• Software Engineer III, Forward Deployed

  Gaithersburg, Rockville, us · full time · posted 2026-06-29

• Construction Project Engineer (Electrical, I &C)

  Oak Park, us · full time · posted 2026-06-26

• Construction Project Engineer (Process & Mechanical)

  Oak Park, us · full time · posted 2026-06-18

• Data Integration Manager

  Oak Park, us · full time · posted 2026-06-17

• Thermal Analysis Engineer

  Rockville, us · full time · posted 2026-06-08

• Nuclear Security (Physical)/Safeguards Compliance Analyst VI

  Rockville, us · full time · posted 2026-06-04

• Radiation Shield Design Engineer

  Rockville, us · full time · posted 2026-06-02

• Procurement Engineer - Steam and Safety Valves

  Remote · contract · posted 2026-05-27

• Mechanical Systems Design Engineer

  Rockville, us · internship · posted 2026-05-20

• Test Hardware Design Engineer

  Rockville, us · internship · posted 2026-05-20

• Materials Engineer (Creep & High Temp Metallics Design)

  Rockville, us · full time · posted 2026-05-20

• Test Engineer, Structural & Vibration Testing

  Rockville, us · full time · posted 2026-05-19

• AI Platform Engineer

  Rockville, us · full time · posted 2026-05-12

• Associate II, Business Development and Structuring

  Rockville, us · full time · posted 2026-05-07

• Mechanical Design Engineer (Steam Generator)

  Rockville, us · internship · posted 2026-04-24

• Software Engineer IV, Artificial Intelligence

  Rockville, us · full time · posted 2026-04-23

• Test Systems Design Lead

  Rockville, us · full time · posted 2026-03-12