IT
Patience and perseverance, attention to detail and an aptitude for problem solving and thinking logically are vital, as are strong communication and teamworking skills. A cool head is particularly important in support, as you could find yourself dealing with several different problems at once and, while everyone will assume their problem is the most urgent, you will need to prioritise your tasks.

Telecommunications
Awareness in the current trends of the telecoms industry is important as it's a fast paced and ever-changing area. Much of the work is similar to that of IT so an aptitude for problem solving and thinking logically is vital, as are strong communication and teamworking skills.