After-school sitter for elementary aged kids - Full-time / Part-time

Hello! We are family of four with a fifth grader and a second grader. We live in McLean, Virginia. Our kids love to play sports, board games, legos, read, and of course love their limited screen time. We are a dual-earning family and work a hybrid schedule. We need a sitter who will come to our house afterschool and help facilitate snack, rest and homework. A parent may or not be home at the time but will be working in our home office space. We have flexibility in the schedule and may not necessarily need Monday-Thursday care. It could be a mix of two or three days a week. We hope this could turn into a long-term relationship with additional opportunities for care throughout the year and summer.