Babysitter Needed for my Children - Full-time / Part-time

We are looking for a great helper for 2 children in Costa Mesa. We have a 4-year-old and 6-year-old and need help in the late afternoons and early evenings juggling school pickups and extracurriculars. We would prefer a someone who has their own car, who does not smoke, who is comfortable with pets and who is CPR certified.