Babysitter - Full-time / Part-time

Our current nanny of one year recently graduated college and is moving on to a full time career job. We are looking for someone to assist mainly in the afternoons, with occasional morning assistance 2-3x/mo when I travel for work. I say 2. 5 kids b/c our oldest only really needs to be picked up after school with no other supervision. We'd like someone who can help tidy up around the house (laundry and dishes), walk the dog, and shuttles the kids around after school.