Nanny Needed For My Children

We are looking for a part time nanny for our little boy. My schedule is Monday-Friday, but my husband has a schedule that varies due to being a firefighter. We have another child that goes to daycare full-time so this would be in our home for our baby only. We would prefer a nanny who does not smoke and who is CPR certified. For scheduling, we would have a schedule each month worked out, but each week would be slightly different, but during business hours.