Having the right personality for the job can help enormously. Finding an occupation that 'fits' your personality sound like it should be easy, except when we consider that 'personality' is a very complex thing to measure!
There are many personality theories, and some have been adapted for use to guide occupational choice. In general, personality self assessments are probabily better for personal understanding than for occupation selection, yet they can provide added depth of information from which to refine your choices.
You can take our free personality profiler when you login to your Career File (membership required). The results of this test may help you to be aware of your strengths and characteristics, which can be used to help you with your choice of career direction.