Interviewing for a new role within a company or an internal promotion has its benefits, especially when compared to a normal interview process. For one, you'll typically already be at least somewhat familiar with the manager of the workgroup you're interviewing for, which means that they, in turn, have some knowledge of you and the work that you do. This means that you don't have to blindly convince a stranger of your qualities and capabilities like you would in a normal interview—playing the f…