How many employees work at Thomas Jefferson National?

Thomas Jefferson National Accelerator Facility has 1,014 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -2.1%.

Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025

About Thomas Jefferson National

The Thomas Jefferson National Accelerator Facility, located in Newport News, Virginia, is operated by Jefferson Science Associates, LLC for the Department of Energy’s Office of Science. The primary mission of the lab is to explore the fundamental nature of confined states of quarks and gluons, including the nucleons that comprise the mass of the visible universe. Jefferson Lab is also a world-leader in the development of the superconducting radio-frequency (SRF) technology utilized for the lab's Continuous Electron Beam Accelerator Facility (CEBAF). This technology is the basis for an increasing array of applications at Jefferson Lab, other DOE labs, and in the international scientific community. The DOE recently announced the selection of Jefferson Lab as the lead for its new High Performance Data Facility Hub. The HPDF will be a $300-500 million computing and data infrastructure resource that will provide transformational capabilities for data analysis, networking and storage for the nation’s research enterprise. It will provide researchers with tools, methods and technologies to maximize the scientific value of data. Jefferson Lab has more than 700 full-time employees and an international scientific user community of more than 1,300 researchers whose work has resulted in scientific data from 175 experiments to date. Research at Jefferson Lab also contributes to thesis research material for about one-third of all U.S. Ph.D.s awarded annually in Nuclear Physics. The Lab's outstanding science education programs for K-12 students, undergraduates and teachers build critical knowledge and skills in the physical sciences that are needed to solve many of the nation's future challenges.

As of September 2025

Thomas Jefferson National
workforce metrics

Headcount

1k

Avg. Salary

$102k

Tenure

8.2yr

Growth Rate

-2.1%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of Thomas Jefferson National annual worldwide employee count from 2023 to 2025.

  • Thomas Jefferson National total number of employees in 2025 was 1,016.742, a 2.1% decline from 2024.
  • Thomas Jefferson National total number of employees in 2024 was 1,036.968, a 5.8% increase from 2023.
  • Thomas Jefferson National total number of employees in 2023 was 976.786, a 7.7% increase from 2022.

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Employee Geographic Breakdown

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Employee Role Breakdown

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Employee Compensation

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Active Job Postings

Interactive chart of Thomas Jefferson National annual active job postings from 2023 to 2025.

  • Thomas Jefferson National active job postings in 2025 was 47, a 89.4% decline from 2024.
  • Thomas Jefferson National active job postings in 2024 was 157, a 19.6% increase from 2023.
  • Thomas Jefferson National active job postings in 2023 was 129, a 79.4% decline from 2022.

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Employee Sentiment

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