Manage day-to-day administration of employee benefits and leave programs. Handle enrollments, ACA monitoring, open/special enrollment, benefit invoicing, EDI feeds, and vendor coordination. Administer FMLA, PFL, STD, LTD, workers' comp, and other leaves; track usage and maintain confidential records. Coordinate with payroll, educate managers, audit leave files, manage unemployment claims, and support HR projects while ensuring regulatory compliance.