Job Isn't Posted Yet, How Do I Prepare to Apply?

Dear Experts, A job is opening up, but I'm not supposed to know. What can I do to prepare to apply? I know someone is leaving in our department. I think her position will be filled. I want to apply before they post it. I'm not supposed to know she is leaving though. What can I do in advance to prepare? Here is how our T.A.P. experts answered this question: Q#309 Make sure your resume is up to date and you have references on hand. Make a good impression b4 U need it. (@beneubanks) Q#309 U cd go 2 HR 4 general talk re opps @ company, desire 2 move up. Ask how 2 do so, get advice/coaching. (@juliaerickson) Q#309 Is person lvg well regarded? Has s/he told u s/he's lvg? s/he cd put in gd wrd 4 u. U cd help him/her 2. (@juliaerickson) Q#309 Figure out a way to "find out", then approach the hiring manager directly. Worked for me once... (@gradversity) Q#309 Start positioning w/o showing UR hand. Use knowledge to "be there" on the job & document accmpl on rz. (@dawnbugni) Our Twitter Advice Project (T.A.P.) is no longer an active campaign. To find an answer to the above question, please use the "Search" box in the right-hand column of this website.