DOSSIER · UPDATED 18 JUN 2026

X-energy

X-Energy LLC operates as a nuclear energy solution company. The Company focuses on energy, environmental, national, economic, industrial, and infrastructure security. X-Energy serves customers in the United States.

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Founded
2009
Headcount
208
Open roles
0
Last raised
Private Equity · $23M
SECTION I · THE BRIEF

Inside X-energy

Brief #32435Updated 18 JUN 2026ROCKVILLEPYTHONPRIVATE EQUITY
Employbl Dossier

X-energy

X-Energy LLC operates as a nuclear energy solution company. The Company focuses on energy, environmental, national, economic, industrial, and infrastructure security. X-Energy serves customers in the United States.

Founded
2009
Headcount
208
Open roles
0
Last raised
Private Equity · $23M
Section II · Premium ProfileMembers only
  • 01Engineering interview process at X-energyLocked
  • 02Tech stack & infrastructure choicesLocked
  • 03Culture & day-to-day work styleLocked
  • 04Why join now vs. 6 months from nowLocked
  • 05Hiring focus & open headcount by teamLocked
  • 06Comp philosophy and band contextLocked
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LEADERSHIP

Founders & key people

Kam GhaffarianKam Ghaffarian
OPEN ROLES

Hiring at X-energy

No open roles listed right now. Check back soon or search all jobs →

FUNDING

Capital raised

Total Amount Raised:

X-energy Funding Rounds

  • Private Equity

    $22,796,720

  • Private Equity

    $22,796,720

    Private Equity Investors

    Pittco Management

  • Series C

    $700,000,000

  • Series C

    $700,000,000

    Series C Investors

    Alumni Ventures Group
    Climate Pledge Fund
    Ares Management
    University of Michigan
    NGP Energy Capital Management
    Kenneth Griffin
    Jane Street
    Segra Capital Management
    Emerson Collective

  • Grant

    3,340,000 GBP

  • Grant

    3,340,000 GBP

    Grant Investors

    Department for Energy Security and Net Zero

  • Series C

    $235,000,000

  • Series C

    $235,000,000

    Series C Investors

    Ares Management
    Kam Ghaffarian
    Segra Capital Management
    Doosan
    DL E&C Co.
    Ontario Power Generation
    Curtiss-Wright

  • Grant

    $40,000,000

  • Grant

    $40,000,000

    Grant Investors

    Department of Energy

  • Grant

    $6,000,000

  • Grant

    $6,000,000

    Grant Investors

    ARPA-E
Funding info provided by Diffbot.
TAGS

Categorized in

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X-energy's Tech Stack

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LOCATIONS

Where they work

X-energy Headquarters Location

Rockville, MD, 20850

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