All jobs are posted and applied on through the website. Submit a cover letter, resumes and application. Those that meet a preferred set of qualifications get asked to be interviewed by a panel of five or so people. Then an individual department might have an executive interview, though I did not have one. I went with a handful of other people to a written test and we were sorted out by score on a register, with each new position being offered to the person that scored the highest. Incredibly fair!