If anyone under the age of 18 wants to move out of their parents house they need one of two things. One you need a parent's permission or you need to be legally emancipated. If you do not have these things you cannot move out at age 17.
As a U.S. citizen, you will need a Social Security card and a picture ID to work. Hours are limited for people under 18 due to child labor laws, but you should be able to find something at 15. If you are under the age of 18, you will need to have working papers from your school.