Babysitter Needed for my Children

I have two girls ages 2 and almost 4. The 2 yo is in daycare starting in August, and the 4 yo is starting preschool in September, which is every day from 8:30-3:30, with the exception of Fridays, which is a day off. My husband works 10 hour days and my work schedule at the hospital varies between days and nights. We are looking for someone who is able to help with school runs and daycare drop off/pick up, and to watch the girls until my husband is able to make it home from work (typically 5:30-6pm). Schedule is highly flexible and varies from 1-4days/week.