Can the army assign or change your job/career?

You'll be assigned a specialty--and most of the time, you will be working in that specialty. There is a some limited choice when you sign up--the choices you are offered depend on three things in this order: (1) the needs of the army at the time you sign up, (2) your scores on the ASVAB or your experience in the field you want to pursue and (3) how well your recruiter searches for the jobs available. You must realize that once you sign up in any branch of the military, you are subject to your superior officers and the billets available--if there IS no place to put you, they will assign you--you don't get to "decline" an assignment just because they didn't ASK you. Most of the time when assigning billets, you'll have a limited choice as to the location. But if you are deployed to a combat zone, it's their decision where and when you go. Your life is not your own in the military--and that's what you agree to when you sign up. When your active duty obligation is completed, you'll put together your "dream sheet" of places you want to be assigned--not necessarily the JOBS you will do once assigned there--though that will be a part of where you can go. Military life is not civilian life. You don't get much choice sometimes. And the needs of the branch you join ALWAYS come first before any choices you make. So consider this career carefully. And don't sign anything until you're sure.