Babysitter Needed For 3 Children In Cambridge.

We are looking for a great babysitter for 3 children in Cambridge. We would prefer someone who could help out with light housekeeping. We would prefer a babysitter who has their own car, who does not smoke, who is comfortable with pets and who is CPR certified. We don't have a regular schedule, but would like someone to be able to come out sporadically as needed, and be willing to do overnights for scheduled surgeries and possibly vacations.