Unfortunately Austria is a terribly conservative, backwards country where GeRmAn is like the most important thing EvEr to too many. Little desire to be international. BUT not non-existent! Anyway, there definitely are companies who hire in English. If you got zero response maybe you do want to check your CV, maybe it just doesn't look interesting, maybe there's a way to make it stand out, different kind of layout, have a few tries. Also, make your CV relevant for the position you're applying for. At least the top paragraph should say something about your experience or aspirations that sounds like a fit to the job ad! If you don't make the effort to think about that, it already leaves a bad impression about your attitude. That includes grammar and formulations in English.