Native English babysitter needed July and August live-in

We are looking for a native English au -pair  to play and look after 2 kids ages 3 and 7  during July and August(full two months).Only live-in position is considered.
Both siblings attend a British school .
You would have your own room and bathroom.
We are looking for a friendly,cheerful and affectionate girl.
If interested ,forward your CV to info@profilingua.es