X-Energy jobs and careers
Rockville, MD. Jobs in Rockville
As of November 12, 2026, X-Energy has 102 open roles in 4 cities.
Headquartered in Rockville, hiring in 4 cities
102Open roles
6Posted in the last 7 days
$123kAverage listed base pay
$285kHighest listed base pay
About X-Energy
X-energy is a nuclear reactor & fuel design engineering company.
- Headquarters
- Rockville
- Hiring in
- 4 cities
Leadership
The top of X-Energy's org chart, with how many people report into each leader.
JS
J. Clay Sell
CEO
297 reports
OD
Oded Doron
Vice President Of Engineering
122 reports
MM
Mark Mize
SVP & CFO
35 reports
MW
Matt Welsh
VP & CIO
30 reports
SM
Steve Miller
SVP & General Counsel
28 reports
RS
Rachel Lappin Scheinman
Chief Human Capital Officer
20 reports
DB
David Bannister
Chief Nuclear Officer
13 reports
EM
Eben Mulder
SVP and Chief Scientist
11 reports
DB
Dinkar Bhatia
Evp, Chief Commercial Officer
10 reports
Board
KG
Kam Ghaffarian
Executive Chairman & Founder
Open roles at X-Energy 102
- Cloud Infrastructure Engineer IV$155k to $178kOak Ridge, TN5 days ago
- Engineer II-IV, Reactor Physics$108k to $122kRockville, MD5 days ago
- IT Product Lead$119k to $140kRockville, MD5 days ago
- Electrical Engineer III/IV$77k to $129kMD, Gaither Rd., Rockville Corp Hqtrs5 days ago
- Technician III, Test Laboratory$70k to $95kFrederick, McKinney Circle, MD6 days ago
- Project Scheduler$108k to $125kOak Ridge, TN6 days ago
- Mechanical Design Engineer$95k to $120kHouston, TX8 days ago
- Engineer II, Nuclear$108k to $122kRockville, MD8 days ago
- Engineer IV, Nuclear$163k to $186kRockville, MD8 days ago
- Facilities Specialist$55k to $65kOak Ridge, TN9 days ago
- Licensing Engineer for Regulatory Affairs$81k to $136kRockville, MD12 days ago
- Contracts Administrator IV$119k to $140kOak Ridge, TN2 weeks ago
- Director of Project Controls$198k to $228kOak Ridge, TN2 weeks ago
- Project Risk Analyst$171k to $194kOak Ridge, TN3 weeks ago
- Procurement Engineer$139k to $159kOak Ridge, TN3 weeks ago
- ICS / OT Cyber Security Engineer$125k to $143kRockville, MD3 weeks ago
- Engineer IV, Network & Infrastructure$140k to $160kRockville, MD3 weeks ago
- Manager, Human Factors Engineering$140k to $163kFrederick, Spectrum Dr., MD4 weeks ago
- Assistant Project Manager$68k to $88kOak Ridge, TN4 weeks ago
- Manager, Application Administration$146k to $187kOak Ridge, TN4 weeks ago
- Planning & Scheduling Lead$155k to $178kRockville, MD4 weeks ago
- Analyst II, MES$80k to $105kOak Ridge, TN4 weeks ago
- Analyst II, SAP$80k to $105kOak Ridge, TN4 weeks ago
- Mechanical Field Engineer V or VI$185k to $208kTN, Lafayette Dr., Oak Ridge4 weeks ago
- Plant Project Engineer IV$133k to $155kRockville, MD4 weeks ago
- Execution Project Manager$163k to $185kHouston, TX4 weeks ago
- Senior Execution Project Manager$189k to $213kHouston, TX4 weeks ago
- Execution Project Director$214k to $243kHouston, TX4 weeks ago
- Nuclear GRC Cybersecurity Engineer$125k to $143kRockville, MD4 weeks ago
- Machinist V, CNC Programmer$100k to $125kMD, McKinney Cir., Frederick4 weeks ago
- Engineer IV, AI & Digital Engineering$180k to $205kRockville, MD4 weeks ago
- Software Engineer III, AI Digital & Engineering Software$150k to $180kRockville, MD4 weeks ago
- Software Engineer V, AI Digital & Engineering Software$220k to $245kRockville, MD4 weeks ago
- Engineer IV, Project Quality Assurance$135k to $158kRockville, MD4 weeks ago
- Engineer II, Plant & Process$105k to $118kRockville, MD4 weeks ago
- Manager, Mechanical Engineer - Reactor Internals$185k to $207kRockville, MD4 weeks ago
- Project Controls Engineer II (Risk Management)$105k to $118kRockville, MD4 weeks ago
- Heat Exchanger Design Engineer$185k to $208kRockville, MD4 weeks ago
- Engineer III, Nuclear Packaging$123k to $139kRockville, MD4 weeks ago
- Mechanical Engineering Internship - Summer 2027$52,000Rockville, MD4 weeks ago
- Project Management Intern$52,000Oak Ridge, TN4 weeks ago
- Graphite Materials Manager$194k to $217kRockville, MD4 weeks ago
- Engineering Integration Manager$163k to $208kRockville, MD4 weeks ago
- Proposal Production Specialist III$90k to $125kRockville, MD4 weeks ago
- Specialist II, Supply Chain$80k to $105kRockville, MD4 weeks ago
- Manager, Mechanical Engineering$163k to $208kRockville, MD4 weeks ago
- Manager, Recruiting$135k to $160kOak Ridge, TN4 weeks ago
- CFD/Thermal Hydraulics Engineer III-IV$123k to $139kRockville, MD4 weeks ago
- Health Physicist$113k to $150kOak Ridge, TN4 weeks ago
- Civil Engineering Internship - Summer 2027$52,000Rockville, MD4 weeks ago
- Nuclear Engineering Internship - Summer 2027$52,000Rockville, MD4 weeks ago
- Test Engineering Internship - Summer 2027$52,000Rockville, MD4 weeks ago
- Director, Employee Relations & Compliance$192k to $218kRockville, MD4 weeks ago
- Growth & Strategy Internship - Summer 2027$52,000Rockville, MD4 weeks ago
- Nuclear Criticality Safety Engineer$92k to $104kOak Ridge, TN4 weeks ago
- Systems Engineering Internship - Summer 2027$52,000Rockville, MD4 weeks ago
- Nuclear Criticality Safety Internship- Summer 2027$52,000Oak Ridge, TN4 weeks ago
- Fire Protection Engineering Internship - Summer 2027$52,000Oak Ridge, TN4 weeks ago
- Process Engineering Internship - Summer 2027$52,000Oak Ridge, TN4 weeks ago
- Technical Fellow, Instrumentation and Controls$255k to $285kRockville, MD4 weeks ago
- Senior Manager, Operational Readiness$170k to $223kOak Ridge, TN4 weeks ago
- Process Engineer IV - VI : Waste Management$130k to $150kOak Ridge, TN4 weeks ago
- Engineer VI, ECM Developer$170k to $191kRockville, MD4 weeks ago
- Engineer I–IV, Thermal-Hydraulic Safety Analysis & V&V$85k to $187kRockville, MD4 weeks ago
- Procurement Administrator IV$119k to $140kRockville, MD4 weeks ago
- MES Engineering Manager$146k to $167kOak Ridge, TN4 weeks ago
- Subcontract Technical Representative$68k to $92kOak Ridge, TN4 weeks ago
- Systems Engineer$120k to $145kRockville, MD4 weeks ago
- Engineer II-IV, Engineering Strategy$90k to $115kRockville, MD3 months ago
- Mechanical Design Engineer (Steam Generator)$131k to $218kRockville, MD3 months ago
- Mechanical Engineer, Graphite$95k to $120kRockville, MD3 months ago
- AI Platform Engineer$184k to $215kRockville, MD3 months ago
- Associate IV, Business Development and Structuring$135k to $160kRockville, MD3 months ago
- Director, Value Engineering and Product Management$220k to $240kRockville, MD3 months ago
- Licensing Engineer II-VI, Risk-Informed Safety Analysis$89k to $148kRockville, MD3 months ago
- Nuclear Software Engineering Manager$138k to $230kRockville, MD3 months ago
- Engineer IV - VI, Nuclear Safety Analysis$139k to $193kRockville, MD3 months ago
- Systems Administrator IV, Enterprise Content Management$125k to $150kRockville, MD3 months ago
- Test Hardware Design Engineer$95k to $120kRockville, MD3 months ago
- Director, Customer Relationship Management (Utilities)$180k to $230kRockville, MD3 months ago
- Software Engineer IV, Artificial Intelligence$144k to $192kRockville, MD3 months ago
- Irradiated Materials Engineer III-V$131k to $150kRockville, MD3 months ago
- Procurement Engineer - Steam and Safety Valves$90k to $130kRockville, MD3 months ago
- Mechanical Systems Design Engineer$115k to $140kRockville, MD3 months ago
- Thermal Analysis Engineer$75k to $100kRockville, MD3 months ago
- Thermal Analysis Manager$163k to $207kRockville, MD3 months ago
- Construction Project Engineer (Electrical, I &C)$131k to $150kOak Ridge, TN3 months ago
- Mechanical Design Engineer$95k to $120kRockville, MD3 months ago
- Senior Manager, Construction Projects$165k to $205kOak Ridge, TN3 months ago
- Engineer IV, Cybersecurity$155k to $178kRockville, MD3 months ago
- Structural Analysis Engineer, Metallics$95k to $120kRockville, MD3 months ago
- Thermal-Hydraulic Training Simulation EngineerRockville, MD3 months ago
- Manager, Customer Relationship Management$140,000MD, Gaither Rd., Rockville Corp Hqtrs3 months ago
- CAD/3D Electrical Designer IV$115k to $140kRockville, MD3 months ago
- Project Controls Analyst III- IV$69k to $116kRockville, MD3 months ago
- Licensing Engineers for New Reactor Projects (I-VI)$81k to $136kRockville, MD3 months ago
- Senior Cyber Systems Administrator$180k to $205kRockville, MD3 months ago
- Microreactor System Engineer III-IV$120k to $145kMD, Gaither Rd., Rockville Corp Hqtrs3 months ago
- Senior Pressure Vessels/Tanks Engineer$185k to $210kRockville, MD3 months ago
- Project Controls Engineer III (Risk Management)$109k to $135kRockville, MD3 months ago
X-Energy jobs: common questions
- Is X-Energy hiring right now?
- Yes. X-Energy has 102 open roles listed as of November 12, 2026.
- Where is X-Energy hiring?
- X-Energy is hiring in 4 cities. The most open roles are in Rockville (67), Oak Ridge (25) and Houston (4).
- How much does X-Energy pay?
- Across open roles that list pay, the average advertised base salary at X-Energy is $123k a year, and the highest is $285k.
- Where is X-Energy headquartered?
- X-Energy is headquartered in Rockville, MD.
- Who leads X-Energy?
- J. Clay Sell, CEO, is at the top of X-Energy's org chart.
- How do I apply for a job at X-Energy?
- Pick a role on X-Energy's TheJobsMap page and select Apply. Every listing links to the original posting on X-Energy's own careers site, so you apply directly with the employer.
