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Amentum Holdings, Inc.

AMTMIndustrials· Chantilly, VA, United States
LAYOFFS TRACKED
10
LAST EVENT
Jan 26, 2026
MARKET CAP
$4.66B
EMPLOYEES

Amentum Holdings, Inc. provides engineering and technology solutions to address challenges in science, security, and sustainability. It serves various markets, such as energy and environment, space, intelligence, defense, civilian, commercial, and international markets. The company was incorporated in 2010 and is headquatered in Chantilly, Virginia.

Layoff history

EVENTS PER QUARTER · HOVER FOR EMPLOYEE COUNTS

Q2 '23: 1 eventsQ3 '23: 0 eventsQ4 '23: 0 eventsQ1 '24: 0 eventsQ2 '24: 0 eventsQ3 '24: 0 eventsQ4 '24: 0 eventsQ1 '25: 1 eventsQ2 '25: 1 eventsQ3 '25: 2 eventsQ4 '25: 2 eventsQ1 '26: 1 eventsQ2 '26: 0 eventsQ3 '26: 0 events
Q2 '23Q1 '24Q1 '25Q1 '26Q3 '26

Layoff timeline

10 EVENTS
Aug 25, 2026WARN notice
Jan 26, 2026WARN notice
Dec 1, 2025WARN notice
Oct 31, 2025WARN notice
Sep 30, 2025WARN notice
Aug 25, 2025WARN notice
May 1, 2025WARN notice
Jan 28, 2025WARN notice
Jun 1, 2023News

Amentum Holdings, Inc. has confirmed that 92 jobs were lost at its facility in Pueblo this summer. The layoffs occurred as part of a workforce reduction strategy, although specific reasons for the cuts were not detailed in the announcement. The affected employees were notified in early June 2023. This reduction reflects ongoing challenges within the company and the broader industry context. Amentum continues to assess its operational needs and workforce alignment moving forward.

Date not reportedUpcoming · EstimatedNews

Amentum Holdings, Inc., an engineering contractor, has announced plans for layoffs in Alabama. The company is preparing to reduce its workforce as part of a restructuring effort. Specific details regarding the number of employees affected and the timeline for these layoffs have not been disclosed. This decision comes amid broader industry challenges, but Amentum has not specified the reasons behind the cuts. The company aims to streamline operations and improve efficiency moving forward.

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