Mass-layoff and plant-closure filings reported by Amentum in 2025, sourced from official state WARN records.
Amentum is a global government services and engineering company delivering advanced technical solutions in defense, intelligence, space, nuclear energy, environmental remediation, and digital transformation. Headquartered in Chantilly, Virginia, Amentum operates across more than 80 countries, supporting U.S. and allied government clients through the full program lifecycle, from research and engineering to operations, sustainment, and decommissioning.
10 filings in 2025
Filings
10
WARN notices
Workers affected
657
States
3
Top state
Colorado
485 affected
Peak month
September
135 affected
Amentum layoffs month by month in 2025
Workers affected by the month each layoff took effect.
All Amentum filings in 2025
Every WARN notice on record for this year, newest first.
Amentum layoffs by state in 2025
3 states reported Amentum layoffs, ranked by workers affected. Open a state for its full history.