Amentum
LayoffWARN notice filed with the Washington State Employment Security Department
View all filings for this employer →Reading this filing
The listed effective date is 60 calendar days after the filing date. These dates alone do not establish when employees received notice or whether notice requirements were met.
This archive has 3 other current source records under this exact employer name. Filing dates run from March 13, 2020 to May 31, 2023. See the employer's filing history.
No link to an earlier version has been confirmed for this record. Other filings under the same name may describe different actions or overlapping groups of workers.
Source row last captured: October 9, 2026. Editorial review is tracked separately.
How to read a WARN noticeOfficial Notice Document
Direct document links are not republished because ESD's live download URLs can change after review. Filing facts shown here come from ESD's public WARN record. Search ESD's public WARN database.
More Notices from Amentum
Full company history →Swipe horizontally to see all columns.
| Filed | County | Workers | Type |
|---|---|---|---|
| October 31, 2022 | Island | 194 | Layoff |
| June 30, 2020 | Not reported | 13 | Layoff |
| March 13, 2020 | Not reported | 13 | Layoff |
Recent WARN Notices in Snohomish County
- Maverick Washington LLC / Great American CasinoSeptember 28, 2026 · 133 workers
- Jack in the BoxAugust 12, 2026 · 24 workers
- 80 Acres Urban Agriculture, Inc.August 3, 2026 · 55 workers
- No Meat Factory USA IncJuly 28, 2026 · 113 workers
- Transdev Services, IncJune 26, 2026 · 108 workers
- Maverick Washington LLC Crazy Moose Mountlake CasinoMay 29, 2026 · 82 workers
About WARN Notices
Washington law generally requires covered employers to provide 60 days' written notice for qualifying closures, mass layoffs, and certain reductions in hours. Thresholds and exceptions apply. Data on this page comes from Washington ESD's public WARN records. Search ESD's public WARN database.