Your user name and password Your user name is used principally to identify you when you log in. It will also be displayed to you on your job postings management page. Only letters and numbers are allowed in your user name; it cannot contain punctuation, spaces, or special characters. Your password is required only when you log in. As with your user name, it cannot contain punctuation, spaces, or special characters -- just letters and numbers are allowed. Passwords are also case sensitive, so make sure to record your password exactly.