X energy

X-energy is a prominent developer of advanced nuclear energy technologies, founded in 2009 and based in Rockville, Maryland. The company is committed to creating clean, safe, and affordable energy solutions to support a sustainable future. X-energy focuses on innovative nuclear technologies that aim to decarbonize industries and facilitate the transition to clean energy. The company specializes in high-temperature gas-cooled nuclear reactors and produces TRISO-X fuel. Its flagship product, the Xe-100, is a small modular reactor designed for scalability and safety, suitable for various applications such as steam and heat production, petroleum refining, and hydrogen production. X-energy also develops advanced nuclear fuel fabrication facilities, including a facility in Oak Ridge, Tennessee, which will produce over eight metric tons of advanced nuclear fuel annually. X-energy has established partnerships with global energy providers and is actively working to decarbonize heavy industries. The company has raised significant funding, including a recent $235 million Series C financing round, positioning it for future growth and development in the energy sector.

Oil & Energy Rockville, United States Founded 2009 ~389 employees

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Employees
389
+8.1% in the 3 months to Jun 2025
Revenue / employee
$6.4M
Revenue ~$2.5B
12-month attrition
18.7%
Tech: 20%
H1B filings, FY2026
3
Sponsors visas
Open jobs
37
Last 30 days

Headcount trend

X energy went from 362 employees in Jul 2023 to 389 in Jun 2025. Jan to Jun 2025: 83 people joined, 16 left.

Headcount data through Jun 2025

Org structure

Headcount by department

Other156
Engineering149
Operations33
HR18
Sales12
Finance8
Success5
Marketing4

Hiring now

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Salaries at X energy

All salaries

3 salary profiles in the US

Pay by level, gender and ethnicity

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering3
Operations1

The department split adds up all the years listed above. FY2026 alone: 3 filings.

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X energy FAQ

How many employees does X energy have?

X energy has about 389 employees, up 8.1% over the 3 months to Jun 2025.

Does X energy sponsor H1B visas?

Yes. X energy filed 3 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.

What is X energy's revenue per employee?

X energy makes about $6.43M in revenue per employee, based on $2.5B annual revenue and 389 employees.

How much does X energy pay?

6figr has 3 salary profiles for X energy in the US, with pay broken down by role, level, gender and ethnicity on the X energy salaries page. See X energy salaries

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.