Babysitter Needed for my Children - Now Hiring

We are looking for a nanny/babysitter for 2 children (5-year-old boy and 2-year-old girl). in Bel Air on Wednesdays from 9am-4 p.m. at our home. We would prefer someone who could help out with light housekeeping. We would prefer a nanny/babysitter who has their own car, who does not smoke and who is CPR certified.