LIVE · UPDATED DAILY
REPORTED · WARN NOTICEPublished Dec 23, 2025

Amentum Holdings, Inc. Layoff — January 2026

EFFECTIVE DATE
Jan 26, 2026

What we know

Location: Pueblo, CO (Pueblo County).

A WARN notice was filed on December 4, 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 December 4, 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 jobs in Pueblo, CO on January 26, 2026. What did this look like from the inside — which teams, how much notice, what severance was offered? 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
View company profile+ Get alerts for Amentum Holdings, Inc.

Affected by this?

Share your story anonymously — it helps others reading this feel less alone.

Share your story →
CREATED DEC 23, 2025LAST UPDATED JUL 3, 2026