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REPORTED · WARN NOTICE✓ VERIFIEDAdded Dec 23, 2025

Amentum Holdings, Inc. Layoff — May 2025

SOURCEOFFICIAL FILINGColorado Department of Labor and Employment· filed March 24, 2025View the filing ↗

EMPLOYEES AFFECTED
93
SHARE OF WORKFORCE
~0.3%
EFFECTIVE DATE
May 1, 2025
93 OF 33,000 EMPLOYEES

What we know

Location: Pueblo, CO (Pueblo County).

A WARN notice for this layoff is recorded on March 24, 2025.

Industry: Sector 56,2910: Remediation Services.

Disclosed through an official WARN filing with the CO state workforce agency.

Summary

Amentum Holdings, Inc. disclosed this layoff in an official WARN (Worker Adjustment and Retraining Notification) notice recorded by the CO state workforce agency on March 24, 2025. The notice covers 93 employees in Pueblo, CO (Pueblo County), with the layoff effective May 1, 2025.

That is roughly 0.3% of the 33,000 people Amentum Holdings, Inc. employs.

LayoffTalk has tracked 15 layoff events at Amentum Holdings, Inc. since October 2022, including 737 jobs documented in official WARN filings, with 4 additional events known from news reporting.

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SOURCE
Official WARN notice
View state filing ↗
A
Amentum Holdings, Inc.AMTM
Industrials · 33,000 employees
15
EVENTS TRACKED
737
JOBS IN WARN FILINGS
View company profile

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CREATED DEC 23, 2025LAST UPDATED JUL 25, 2026