Full Time Nanny Needed For 9 Month Old In Providence

My husband and I are looking for a full time nanny for our son, starting in the new year. He will be about 9 months old. We are both physicians and have variable schedules, so are looking for someone flexible, who might be available to help on occasional nights or weekends in addition to regular M-F. We want to hire someone reliable, caring, and fun, but it would be great if they were also comfortable taking him out to interact with other kids (library, park, etc). Ideal candidates would have experience working with infants/toddlers, have reliable transportation, be nonsmokers, and must provide references. We do have a friendly cat named Cleo!