HR does some prescreening. HR has resume workshops and advises. There are helpful suggestions on what to look for in a resume to determine if the candidate is an Affirmative Action candidate. There are other ways to do interviews. This would not be feasible for Librarian positions advertised nationally.
All interviews have questions based on criteria for the job.
Hold TLs accountable in the TL review process. Include retention and hold them accountable. Clarify if this is a 'priority' and what that means. Work on TL mentoring and Team mentoring for new staff.