There are tools to help you choose the Army Reserve job that's right for you. Search for a job that interests you or browse Army Reserve job categories. Then, if you have questions, just talk to an online Recruiter or locate a Recruiter near you.
A job in the Army is called a Military Occupational Specialty — or MOS — and has a number and letter code associated with it. For example, an Information Technology Specialist is also called a 25B (twenty-five bravo).