How many employees work at Naval Nuclear Laboratory?

Naval Nuclear Laboratory has 4,371 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 3.5%.

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

About Naval Nuclear Laboratory

The Naval Nuclear Laboratory is operated by Fluor Marine Propulsion, LLC. The Naval Nuclear Laboratory comprises the U.S. Department of Energy locations and personnel responsible for developing advanced naval nuclear propulsion technology, providing technical support to ensure the safety and reliability of our nation’s naval nuclear reactors, and training the Sailors who operate those reactors in the U.S. Navy’s submarines and aircraft carrier Fleets. The Naval Nuclear Laboratory includes the Bettis and Knolls Atomic Power Laboratories, the Kenneth A. Kesselring Site, and the Naval Reactors Facility which have proudly supported the nation since 1946. The Naval Nuclear Laboratory has nearly 8,000 employees working at primary locations in Pennsylvania, New York, South Carolina, and Idaho. The Naval Nuclear Laboratory also has an established presence at numerous shipyards and vendor locations around the globe. We are dedicated solely to the support of the United States Naval Nuclear Propulsion Program. Program elements include the following: • Research, development, and support laboratories • Contractors responsible for designing, procuring, and building propulsion plant equipment • Nuclear power schools and Naval Reactors training facilities • Naval Nuclear Propulsion Program Headquarters and field offices • Naval support facilities and tenders • Shipyards that build, overhaul, and service the propulsion plants of nuclear-powered vessels

As of September 2025

Naval Nuclear Laboratory
workforce metrics

Headcount

4.4k

Avg. Salary

$116.3k

Tenure

6.6yr

Growth Rate

3.5%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of Naval Nuclear Laboratory annual worldwide employee count from 2023 to 2025.

  • Naval Nuclear Laboratory total number of employees in 2025 was 4,365.743, a 3.5% increase from 2024.
  • Naval Nuclear Laboratory total number of employees in 2024 was 4,215.472, a 1.2% increase from 2023.
  • Naval Nuclear Laboratory total number of employees in 2023 was 4,158.155, a 5.5% 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 Naval Nuclear Laboratory annual active job postings from 2023 to 2025.

  • Naval Nuclear Laboratory active job postings in 2025 was 34, a 149.6% decline from 2024.
  • Naval Nuclear Laboratory active job postings in 2024 was 300, a 75.3% decline from 2023.
  • Naval Nuclear Laboratory active job postings in 2023 was 662, a 83.9% decline from 2022.

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Employee Sentiment

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