@xenergynuclear - X-energy
Rockville, MD
 | We're building the energy of the future. Delivering the next generation of clean, safe, and affordable nuclear energy technology. #AdvancedNuclear |  x.com/xenergynuclear |
| X-energy is an advanced nuclear reactor & fuel company. We develop Generation IV high-temperature gas cooled nuclear reactors (SMR) & TRISO fuel to power them. | website |
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| Administrative Assistant III | Rockville, MD | onsite | 2026-06-09 | ||
| AI Platform Engineer | Rockville, MD | hybrid | $150,000-183,000 | 2026-05-12 | |
| Architect IV, Industrial | Rockville, MD | onsite | $135,000-160,000 | 2026-05-26 | |
| Associate II, Business Development and Structuring | Rockville, MD | onsite | $75,900-95,000 | 2026-05-07 | |
| Associate II, Growth & Strategy | Rockville, MD | onsite | $100,000-120,000 | 2026-05-28 | |
| Associate IV, Business Development and Structuring | Rockville, MD | onsite | $135,000-160,000 | 2026-07-08 | |
| Associate IV, Growth & Strategy | Rockville, MD | onsite | $150,000-170,000 | 2026-05-07 | |
| Construction Project Engineer (CSA) | Oak Ridge, TN | onsite | $110,000-135,000 | 2026-07-02 | |
| Construction Project Engineer (Electrical, I &C) | Oak Ridge, TN | onsite | $110,000-135,000 | 2026-06-26 | |
| Construction Project Engineer (Process & Mechanical) | Oak Ridge, TN | onsite | $110,000-130,000 | 2026-06-18 | |
| Construction Quality Engineer | Oak Ridge, TN | onsite | $89,127-148,545 | 2026-04-02 | |
| Corporate Real Estate Project Manager | Rockville, MD | onsite | $95,000-120,000 | 2026-07-01 | |
| Cyber Systems Administrator | Rockville, MD | remote | 2026-06-22 | ||
| Data Integration Manager | Oak Ridge, TN | onsite | $135,000-160,000 | 2026-06-17 | |
| Deputy Director of Mechanical Engineering | Rockville, MD | onsite | $190,000-220,000 | 2026-06-11 | |
| Director, Customer Relationship Management (Utilities) | Rockville, MD | onsite | $180,000-230,000 | 2026-04-27 | |
| Engineer III-IV, Engineering Strategy | Rockville, MD | onsite | $107,495-179,159 | 2026-04-29 | |
| Engineer III, Nuclear Quality Assurance | Oak Ridge, TN | onsite | $100,000-130,000 | 2026-06-01 | |
| Engineer IV, Cyber DevSecOps | Rockville, MD | hybrid | $160,000-185,000 | 2026-06-24 | |
| Engineer IV, Cybersecurity | Rockville, MD | hybrid | $180,000-205,000 | 2026-06-26 | |
| Engineer IV, Nuclear Fuel Systems | Rockville, MD | remote | $135,000-170,000 | 2026-07-07 | |
| Engineer IV, Safety Analysis & V&V | Rockville, MD | remote | $160,000-185,000 | 2026-05-20 | |
| Engineer IV - VI, Nuclear Safety Analysis | Rockville, MD | onsite | $138,500-193,000 | 2026-04-29 | |
| Engineer V, Civil Structural | Rockville, MD | maybe-remote | $130,050-216,750 | 2026-03-24 | |
| Engineer V, Configuration Management | Rockville, MD | onsite | $185,000-210,000 | 2026-06-16 | |
| Engineer V, Risk Informed Safety Analysis | Rockville, MD | onsite | $163,800-273,000 | 2026-06-29 | |
| Engineer V-VI, Licensing | Rockville, MD | onsite | $139,950-233,250 | 2026-02-09 | |
| Fire Protection Design Engineer | Rockville, MD | maybe-remote | $100,000-125,000 | 2026-06-04 | |
| HVAC Mechanical Design Engineer | Rockville, MD | onsite | $95,000-120,000 | 2026-07-02 | |
| I&C Project Manager | Rockville, MD | maybe-remote | $155,000-180,000 | 2026-05-19 | |
| Lead Estimator | Rockville, MD | onsite | $96,600-161,000 | 2026-04-15 | |
| Lead, Materials Engineering | Rockville, MD | onsite | $150,000-175,000 | 2026-05-07 | |
| Lead, Mechanical Engineering (Reactor Pressure Vessel) | Rockville, MD | onsite | $127,500-212,500 | 2026-07-02 | |
| Licensing Engineer IV-VI, Risk-Informed Safety Analysis | Rockville, MD | onsite | $125,400-209,000 | 2026-06-18 | |
| Manager, Customer Relationship Management | Rockville, MD | onsite | $111,075-185,125 | 2026-04-27 | |
| Manager, IT Projects | Oak Ridge, TN | onsite | $140,000-170,000 | 2026-07-09 | |
| Manager, Plant Operations | Rockville, MD | onsite | $200,000-224,000 | 2026-06-29 | |
| Materials Engineer (Creep & High Temp Metallics Design) | Rockville, MD | onsite | $110,000-135,000 | 2026-05-20 | |
| Mechanical and Process Piping Construction Inspector | Oak Ridge, TN | onsite | $110,000-135,000 | 2026-07-01 | |
| Mechanical Design Engineer | Rockville, MD | onsite | $95,000-120,000 | 2026-07-02 | |
| Mechanical Design Engineer (Steam Generator) | Rockville, MD | onsite | $130,950-218,250 | 2026-04-24 | |
| Mechanical Engineer, Graphite | Rockville, MD | onsite | $95,000-120,000 | 2026-05-20 | |
| Mechanical Engineering Manager (Heat Exchanger Design) | Rockville, MD | onsite | $160,000-190,000 | 2026-06-04 | |
| Mechanical Systems Design Engineer | Rockville, MD | onsite | $115,000-140,000 | 2026-05-20 | |
| Microreactor System Engineer IV | Rockville, MD | onsite | $145,000-170,000 | 2026-05-29 | |
| Microreactor Systems Engineer III | Rockville, MD | onsite | $120,000-145,000 | 2026-05-29 | |
| Nuclear Security (Physical)/Safeguards Compliance Analyst VI | Rockville, MD | maybe-remote | $140,000-195,000 | 2026-06-04 | |
| Payroll Specialist V | Rockville, MD | remote | $41-68 | 2026-06-24 | |
| Planner-Scheduler III-V | Rockville, MD | maybe-remote | $125,000-155,000 | 2026-06-30 | |
| Principal Materials Engineer (Metallics) - Advanced Nuclear Technology | Rockville, MD | onsite | $140,000-165,000 | 2026-05-20 | |
| Principal Nuclear Assurance Engineer | Rockville, MD | hybrid | $180,000-205,000 | 2026-06-11 | |
| Process Engineer - Graphite Production | Oak Ridge, TN | onsite | 2026-06-24 | ||
| Process Engineering Team Lead | Oak Ridge, TN | onsite | 2026-06-29 | ||
| Procurement Engineer - Electrical | Rockville, MD | onsite | 2026-05-13 | ||
| Procurement Engineer IV | Rockville, MD | onsite | $106,400-149,000 | 2026-07-09 | |
| Procurement Engineer - Steam and Safety Valves | Rockville, MD | maybe-remote | 2026-05-27 | ||
| Project Controls Engineer | Rockville, MD | onsite | $91,275-152,125 | 2026-04-20 | |
| Project Controls Engineer III (Risk Management) | Rockville, MD | onsite | $109,000-135,000 | 2026-07-07 | |
| Project Controls Lead | Rockville, MD | onsite | $150,000-175,000 | 2026-07-07 | |
| Project Director | Oak Ridge, TN | onsite | $230,000-250,000 | 2026-07-09 | |
| Project Finance Analyst II | Rockville, MD | onsite | $75,000-100,000 | 2026-06-23 | |
| Project Manager | Oak Ridge, TN | onsite | $20-100 | 2026-07-07 | |
| Purchasing Manager | Oak Ridge, TN | onsite | $130,000-155,000 | 2026-07-09 | |
| Quality Control Manager | Oak Ridge, TN | onsite | $110,000-135,000 | 2026-06-18 | |
| Radiation Shield Design Engineer | Rockville, MD | onsite | $158,000-183,000 | 2026-06-02 | |
| Senior Accountant (Corporate) | Rockville, MD | onsite | $76,623-127,706 | 2026-03-27 | |
| Senior Cyber Systems Administrator | Rockville, MD | remote | 2026-06-22 | ||
| Senior FP&A Analyst, IV | Rockville, MD | onsite | 2026-04-16 | ||
| Senior Heat Exchanger Specialist | Rockville, MD; Houston, TX | onsite | $170,000-195,000 | 2026-06-16 | |
| Senior Manager, Construction Projects | Oak Ridge, TN | onsite | $165,000-190,000 | 2026-06-12 | |
| Senior Manager, Project Controls | Rockville, MD | onsite | $165,825-276,375 | 2026-05-27 | |
| Senior Manufacturing Engineer | Rockville, MD | onsite | $115,000-140,000 | 2026-05-20 | |
| Senior Portfolio Manager | Rockville, MD | maybe-remote | $190,000-215,000 | 2026-06-22 | |
| Senior Pressure Vessels/Tanks Engineer | Rockville, MD; Houston, TX | onsite | $185,000-210,000 | 2026-06-30 | |
| Shift Manager (Fuel Facility) | Oak Ridge, TN | onsite | $175,000-200,000 | 2026-06-18 | |
| Software Engineer III, Forward Deployed | Rockville, MD | hybrid | $120,000-145,000 | 2026-06-29 | |
| Software Engineer IV, Artificial Intelligence | Rockville, MD | onsite | $144,000-192,000 | 2026-04-23 | |
| Structural Analysis Engineer, Metallics | Rockville, MD | onsite | $95,000-120,000 | 2026-05-20 | |
| Subcontracts Administrator | Oak Ridge, TN | onsite | 2026-06-29 | ||
| Subcontract Technical Manager | Oak Ridge, TN | onsite | $140,000-165,000 | 2026-07-09 | |
| Systems Engineer | Oak Ridge, TN | onsite | $70,000-95,000 | 2026-06-30 | |
| Systems Engineer III-VI | Rockville, MD | onsite | $120,000-145,000 | 2026-05-29 | |
| Talent Development - Employee Onboarding Specialist | Rockville, MD | onsite | $100,000-130,000 | 2026-05-19 | |
| Technical Training Specialist | Oak Ridge, TN | onsite | $60,500-84,800 | 2026-05-15 | |
| Test Engineer, Structural & Vibration Testing | Rockville, MD | onsite | $112,275-187,125 | 2026-05-19 | |
| Test Engineer, Test Design and Development | Rockville, MD | onsite | $90,000-115,000 | 2026-06-25 | |
| Test Hardware Design Engineer | Rockville, MD | onsite | $95,000-120,000 | 2026-05-20 | |
| Test Systems Design Lead | Rockville, MD | onsite | $112,275-187,125 | 2026-03-12 | |
| Thermal Analysis Engineer | Rockville, MD | onsite | $75,000-100,000 | 2026-06-08 | |
| Thermal Analysis Team Lead | Rockville, MD | onsite | $140,000-180,000 | 2026-06-25 | |
| Thermal Hydraulics Engineer III-V | Rockville, MD | onsite | $115,000-140,000 | 2026-06-29 | |
| Thermal-Hydraulic Training Simulation Engineer | Rockville, MD | onsite | $124,500-207,500 | 2026-07-08 | |
| Workday Adaptive Planning & FP&A Analyst | Rockville, MD | maybe-remote | $100,000-125,000 | 2026-06-30 | |
| Writer VI, Technical | Rockville, MD | remote | $127,725-212,875 | 2026-03-26 | |
