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REPORTED · WARN NOTICEPublished Dec 23, 2025

Amentum Holdings, Inc. Layoff — January 2025

EMPLOYEES AFFECTED
40
EFFECTIVE DATE
Jan 28, 2025

What we know

Location: Pueblo, CO (Pueblo County).

A WARN notice was filed on January 28, 2025.

Industry: 54,1330: Engineering 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 filed with the CO state workforce agency on January 28, 2025. The notice covers 40 employees in Pueblo, CO (Pueblo County), with the layoff effective January 28, 2025.

LayoffTalk has tracked 10 layoff events at Amentum Holdings, Inc. since June 2023, affecting a combined 614 employees.

Comments (1)

Anonymous by default. Be kind — people reading this may be going through it right now.

LTLayoffTalk StaffStaff21 hours ago

Amentum Holdings, Inc. cut 40 jobs in Pueblo, CO on January 28, 2025. If you were part of this round, what was your experience? Others going through it are reading. You can post anonymously below.

SOURCE
Official WARN notice
View state filing ↗
A
Amentum Holdings, Inc.AMTM
Industrials
10
EVENTS TRACKED
614
AFFECTED SINCE 2023
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CREATED DEC 23, 2025LAST UPDATED JUL 3, 2026