Firstly it is rare and rather difficult to change your domicile, this is determined by your country of birth, more accurately the country of your fathers birth.
You will just be a stranger in a strange land. You may be able to get re-employed depending on local rules and regs. At the end of the day when you go to work abroad make sure your escape plan is in place.
Plan for the worse case and have the required resources and you should be good.