Returning from International Assignment Watch for your benefits enrollment notification, which will be mailed to you from the AECOM Benefits Service Center within two weeks of your status change date. Choose U.S. domestic Medical, Dental and/or Vision Plans within 31 days of your status change date. Log in and select the Need to Change Your Coverage? Search Care.com for FREE to find caregivers for your home, children, elderly family members and pets. Access FREE information and services to help you adjust to life back at home with the GuidanceResources Employee Assistance Program.