Amentum Layoffs - WARN Act Notices
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Amentum has a WARN Act filing history stretching from August 2001 to May 2026, with 33 notices affecting 2,230 employees in total. Filings are concentrated in Colorado (11) and Washington (4), with additional notices across 8 other states. Notices include 23 layoffs and 10 facility closures. The largest single filing affected 194 employees in Oak Harbor, WA (December 2022). Filing activity has slowed, with only 6 notices in the past 12 months.
Under the WARN Act (Worker Adjustment and Retraining Notification Act), employers with 100 or more employees are required to provide 60 days advance notice before conducting plant closures or mass layoffs. These notices are filed with state labor departments and are public record.
Filing Identities (2)
This page aggregates WARN Act notices filed under 2 related names:
- Amentum
- Amentum (Update)
Layoff History
Employees affected over time
All WARN Act Notices
| Location | Effective Date | Employees | Type |
|---|---|---|---|
| Suitland, MD | May 3, 2026 | 27 | layoff |
| Pueblo, CO | Jan 26, 2026 | — | layoff |
| Pueblo, CO | Dec 1, 2025 | 10 | layoff |
| Pueblo, CO | Oct 31, 2025 | 55 | layoff |
| Pueblo, CO | Oct 31, 2025 | 60 | layoff |
| Pueblo, CO | Sep 30, 2025 | 135 | closure |
| Pueblo, CO | May 1, 2025 | 93 | layoff |
| Anniston, AL | Apr 3, 2025 | 62 | layoff |
| Madison, KY | Mar 27, 2025 | 90 | closure |
| Madison, KY | Mar 26, 2025 | 90 | closure |
| Pueblo, CO | Jan 28, 2025 | 40 | layoff |
| Madison, KY | Jan 15, 2025 | 20 | closure |
| Pueblo, CO | Sep 30, 2024 | 72 | closure |
| Falls Church & Springfield, VA | Sep 27, 2024 | 53 | closure |
| New Orleans, LA | Sep 2, 2024 | 102 | layoff |
| Pueblo, CO | Jul 1, 2024 | 11 | closure |
| Pueblo, CO | Mar 1, 2024 | 45 | closure |
| City, NC | Feb 3, 2024 | 92 | closure |
| Everett, WA | Jul 30, 2023 | 3 | layoff |
| Oak Harbor, WA | Dec 31, 2022 | 194 | layoff |
| New Orleans, LA | Oct 15, 2022 | 25 | layoff |
| New Boston, TX | Mar 27, 2022 | 178 | layoff |
| New Boston, TX | Mar 26, 2022 | 178 | layoff |
| New Boston, TX | Oct 29, 2021 | 92 | layoff |
| New Boston, TX | Oct 28, 2021 | 92 | layoff |
| Virginia Beach, VA | Oct 26, 2020 | 91 | layoff |
| County, NC | Aug 28, 2020 | 100 | layoff |
| Whidbey Island, WA | Aug 28, 2020 | 13 | layoff |
| Chantilly, VA | Jun 16, 2020 | 40 | layoff |
| Whidbey Island, WA | May 12, 2020 | 13 | layoff |
| Pueblo, CO | Aug 25, 2001 | 92 | closure |
| Fort Worth, AZ | N/A | — | layoff |
| Yuma, AZ | N/A | 62 | layoff |