URGENT: Nanny

Hi, thanks in advance for reading our posting. We're a family of 5 with two parents, a pre-teen, a 5 year old, and an infant. The infant will be a year old in May, which is when we're looking for care to begin. Your role would primarily work with the youngest, but may extend to school pickup for the 5 year old.
Here are the things that are most important to us!
1. Medically complicated: our youngest has a heart condition that makes getting sick a bad idea. We also have other health risks in the family. We are looking for someone willing to mask and covid-test while in our house.
2. Part-time during the work week: we're looking for support during business hours. Both parents work from home so we're somewhat flexible with which days and specific hours, but we are looking for regular support.
3. Relevant experience: CPR certification is a must have. We would strongly prefer someone with experience caring for infants. It would also be ideal if you have a relate...