Full-time Nanny for 2 Children

We live near the East Falls Church metro and by several parks, which help keep the boys busy. Our regular nanny has had an emergency, but will likely return around mid-June or at least by the end of August. We need a temporary nanny for our two boys (1 year and 3 year-old) while we telework from home. The three-year old is also in preschool until the end of May three mornings a week....