Masters degree

pls i am working for a very okay insurance firm right now , as the systems network administrator, my future looks bright there being a new company, and i am a young chap, but i want to go for my masters in the UK in computer Networks for 16 months so that i could geta better job and a better carreer, do u think its a good idea. Is doing a masters in such a course a goodn advise pls help think.