CHANTILLY, Va.–(BUSINESS WIRE)– #AmentumWin–Amentum (NYSE: AMTM) has secured positions on a new multi-billion pound framework to deliver expert decommissioning solutions for the Sellafield nuclear site in the United Kingdom. Under the 15-year Decommissioning and Nuclear Waste Partnership (DNWP), Amentum will carry out remediation work on disused facilities and retrieve hazardous waste from legacy ponds on the site in Cumbria, England. After competitive tendering, Sellafield Ltd selected Amentum as the rem