How often do you expect to change jobs over your career? How often is acceptable in today's society? I can not tell you the answer to that, but what I can say is that is that current trends tell us it is much more frequent than ever before.  So it may not be as daunting, however you need to have real reasons why you are moving roles and be clear with yourself as what your goals are, and then you might find progression and opportunities arise in the new employer..  Anyway here are good tips on dos and don'ts when you start that new job..