Spanish-speaking Nanny Needed For 2 Infants In Harlem

We are looking for a great nanny for 2 infants (4 and 5 months old) in New York. This is for two families who live across the hall from each other in the same building and are hoping to do a nanny share for two infants close in age The person must be fluent in Spanish. We would prefer a nanny who does not smoke and who is CPR certified and who has at least 8 years of experience, preferably with infants. We would like someone who could begin part time for the month of January (12-18 hours per week) and move to full time (Mon-Fri, 8:30 to 6) from the beginning of February through the end of August. There is a possibility to extend the position further.