Because of their broad program, the studies open the doors for multiple careers. Starting from designing and building networks for telecommunications operators, through software engineering or electronics, for the people who want to work close the the hardware. Obviously, the engineers in all of these professions are in high demand.
Well, it depends on your concerns since the job opportunities are endless. You can work in everything related to technology from software developer to IT consultant, electronic engineer, and so on. As you see, these positions are very different to each other and this is one of the awesome reasons to study Telecommunications since this degree gives you a wide vision and you can end up working on very different fields.