Apply online, new postings almost everyday. Create a profile (your application) then you can apply to as many positions as you like without doing the process repeatedly. You will be given a list of testing site locations and dates to take test. Watch out for scams of a book in which you are to study by for the test, no book is needed for is fairly simple. In a week max I believe, your test scores will be available. Veterans get extra points, if your score is high enough you will be in the running for an interview. If not satisfactory most places should email you notifying you that you weren't selected.