This is work of a specialized nature involving specific responsibility, under general supervision, for one or more aspects of library work. At the Central Library, this position includes direct supervision of non-public service departments, outreach work, and status as Assistant Division Head in public service divisions. In the Community Branch Libraries, the work involves general supervision in a branch library as designated supervisor of a branch which is administered by a Librarian IV (Quadrant Librarian). This position has the responsibility for carrying out or supervising policies, procedures, tasks, and assignments as directed by the supervising librarian. Supervision is exercised over the work of subordinate professional, paraprofessional, clerical, and volunteer personnel. Performs related work as required.