Babysitter wanted in Vienna - babysitting Vienna

A babysitter wanted in Vienna for 2 children, babysitting in Vienna. 2 Teenagers 13 &!15. Independent. Child minder needed during my business trips, must be present from 18:00 O'Clock and overnights until 7:30 in the morning, then leave and so on. There is no exact date of my business trips, it should be flexible. In short words, when needed, child minder will slee..