English native Summer camp monitor

We are looking for an English native monitor/ teacher for a private summer camp with 4 kids (6 to 9 years old). You will have to play sports with them, organise theatre or plays, swimming in the pool and teach them English 4 hours a day (9 a.m to 1 p.m.), 5 weeks, starting on the 26 June. The camp is in a private house with large garden and facilities, in the outskirts of Madrid (Ciudad Santo Domingo).  Preferably with your own car.