Nanny Needed - Full-time / Part-time

We are looking to hire someone for 2 or 3 afternoons per week, Tues and Fri, 4 hours each (2:30-6:30). Possibly adding Thursday and having each day be 2. 5 hours each (4 to 6:30). The role would be pickup/dropoff of our 6th and 9th graders at school and activities, as well as picking up our 5-yr-old preschooler and taking care of him for a couple hours at our house.