English native, live-out, au pair for the next school term

I am looking for an English native, live-out, au pair for the next school term. Starting this September until next June. It would be from Monday to Thursday, from 5:00PM to 8:00PM. The location is in the center of Madrid - metro stop Bilbao. We are a very nice family and you would be caring for our two little girs who are 7 and 5 years old. We are looking for someone who is responsible, great with kids, and is able to commit to the whole school term. If interested and want more information, please contact me. 
Salary: 300 eur/month