Nanny Needed For 1 Child

I'm looking for a great nanny for my son, 3 days a week MWF from 8-5 and a Saturday here and there either from 8-12 or 12-5, perhaps a weekend evening once every other month too. We are looking for someone to fill this role for at least a year. Must be willing to help out with light housekeeping, like dishes and laundry. We have a small dog, so the applicant must be dog friendly.