Amentum Layoffs & WARN Notices — 3,393 Workers Affected
All WARN Act mass layoff and plant closure notices filed by Amentum.
Data updated
59
Total Notices
3,393
Workers Affected
17
States
2020
First Filing
2026
Latest Filing
Data Insights
Industry Breakdown
Workers affected by industry sector
Layoff Types
Workers affected by notice type
Amentum WARN Act Filings
| Company | Location | Employees | Notice Date | Type |
|---|---|---|---|---|
| Amentum | Atlanta, GA | 77 | ||
| Amentum | Hillsboro, OR | 74 | Layoff | |
| Amentum | Chandler, AZ | 75 | Layoff | |
| Amentum | Hanover, MD | 317 | Layoff | |
| Amentum | Hanover, MD | 65 | Layoff | |
| Amentum | Suitland, MD | 27 | Layoff | |
| Amentum | Fort Washington, MD | 9 | Layoff | |
| Amentum (Update) | , CO | — | ||
| Amentum | Broomfield, CO | 10 | ||
| Amentum | Broomfield, CO | 60 | ||
| Amentum | Broomfield, CO | 55 | ||
| Amentum | Broomfield, CO | 135 | ||
| Amentum | Broomfield, CO | 92 | ||
| Amentum | Broomfield, CO | 93 | ||
| Amentum | Broomfield, CO | 40 | ||
| Amentum | Louisville, KY | 90 | Closure | |
| Amentum | Anniston, AL | 62 | Layoff | |
| Amentum | Louisville, KY | 20 | Closure | |
| Amentum | Yuma, AZ | 108 | ||
| Amentum | New Orleans, LA | 102 |
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Amentum Layoff FAQ
Is Amentum laying off in 2026?
Yes. Amentum has filed 7 WARN Act notices in 2026 affecting 644 workers. See the filings table above for locations and dates.
How many layoffs has Amentum had?
Amentum has filed 59 WARN Act notices affecting a total of 3,393 workers across 17 states.
When was Amentum's most recent layoff?
Amentum's most recent WARN Act filing was on 2026-09-04.
What states has Amentum laid off workers in?
Amentum has filed WARN Act notices in: Alabama, Arizona, California, Colorado, Florida, Georgia, Kansas, Kentucky, Louisiana, Maryland, North Carolina, Nevada, Oregon, South Carolina, Texas, Virginia, Washington.
What is the WARN Act?
The Worker Adjustment and Retraining Notification (WARN) Act is a federal law that requires employers with 100 or more employees to provide 60 calendar days' advance notice of plant closings and mass layoffs.
How do I get notified about Amentum layoffs?
Subscribe using the form above to receive free daily email alerts whenever new WARN Act notices are filed. You can also set up custom filters and webhooks with a paid API plan at laborcurrent.com/pricing.
Latest Layoff Reports
Related News Articles
Federal contractor Amentum to lay off over 380 workers in Anne Arundel - The Baltimore Banner
The Baltimore Banner · 2026-08-28
Amentum to lay off 382 in Maryland - The Business Journals
The Business Journals · 2026-08-28
Federal contractor Amentum to lay off over 380 workers in Anne Arundel - The Baltimore Banner
The Baltimore Banner · 2026-08-28
Amentum to lay off 382 in Maryland - The Business Journals
The Business Journals · 2026-08-28
Amentum WARN Act Investigation - straussborrelli.com
straussborrelli.com · 2026-08-27
Defense giant to lay off 382 people in Anne Arundel County - The Business Journals
The Business Journals · 2026-08-27
Amentum WARN Act Investigation - straussborrelli.com
straussborrelli.com · 2026-08-27
Defense giant to lay off 382 people in Anne Arundel County - The Business Journals
The Business Journals · 2026-08-27
These Colorado Companies Had the Most Layoffs in 2025 - Westword
Westword · 2026-01-13
Amentum to lay off 56 Richmond-area employees - Virginia Business
Virginia Business · 2025-07-14
SEC Filings & Hiring Signals
Cross-dataset signals for Amentum: SEC 8-K event filings and H-1B labor condition applications shown alongside the WARN notices above. They are linked to this employer by matching its name (or an SEC ticker or CIK we assign to it) — the link is an algorithmic estimate, not verified by the SEC, the Department of Labor or any state agency, and the filings are not restricted to the same period as the notices. Matching rules: methodology.
8-K — FORM 8-K
Filed 2026-08-10
8-K — FORM 8-K
Filed 2026-05-11
8-K — FORM 8-K
Filed 2026-04-28
8-K — FORM 8-K
Filed 2026-02-10
8-K — FORM 8-K
Filed 2026-02-09
Related Industries
Browse layoff data for industries where Amentum operates:
States with Filings
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