as you can read it in the following article, I believe that true career is only possible if you do something that you really like. What are you working on?
I think it is very important for your personality to do what you really want, instead of working only for the sake of money or similar reasons (fame, respect etc. for example). Only then you won't suppress your true wishes, which is very important to live a really fulfilled life.
How are you maintaining your life? What is your current job and what is your dream, you would love to do? Do they match or did you find a way to work at a job that you don't like much but which is a financial support to fulfill your dream?
read more here: http://www.prosperity-inside.com/articles/Ideal_Income_and_True_Career.asp
It is true that if you caught in a wrong job it will definitely effect your personality in a negative way, it is not about what kind of work you are doing it is more about how you are accepting your work, it is up to you to make your suppressing job a happy journey, so try to develop a positive attitude towards the job.