Working in Vienna FAQ
Some sectors like IT and a number of international companies as well as the international organisations use English as their working language. Learning the language though is unlikely to harm your job prospects.
Currently there is very little cast-iron certainty about what the UK's decision to leave the EU might mean for those who are resident since before the referendum, as well as those who have come to Austria since the referendum was held. As we get news and the situation changes we'll be keeping people informed through this forum.
Our working in Vienna forumhas a thread about where to look here.