Full Time English Teaching Assistant Role

Looking to emply a full time English speaking teaching assistant to work in a British school in the centre of Madrid (Metro Bernabeu)
Working hours are from 8:30-4:30 Monday - Friday. Salary is 16.553€ brutos anuales
Must have TEFL or a teaching qualification. 
Age group is 3-4 year olds. You would work alongside class teacher and another assistant in the classroom.