Nanny Needed For My Children

We are looking for a great nanny for 1 child 7 months old in Chester. We would prefer a nanny who does not smoke, who is comfortable with pets and who is CPR certified. Who has experience with infants babies and toddlers. You would be caring for my youngest (7 months) however there may be times (very rare) that my 3-year-old may be home from school. I will be working from home and also out of the home. Schedule would be Monday Tuesday and Fridays from 8 a.m. to 4 p.m. Must be caring empathetic and nurturing. Must be comfortable with big dogs (we have a German shepherd).