Lead Library Assistant Classification: Under the general supervision of the Library Manager of Circulation Services, incumbents perform duties of an advanced nature related to the operation of the Circulation department, organize, train, and direct the work of support services employees, and coordinate library services with employees from all divisions of the Library. The following holidays are observed throughout the year: New Year's Day, Martin Luther King Birthday, President's Day, Juneteenth, Independence Day, Labor Day, Memorial Day, Veteran's Day, Thanksgiving Day and Day after Thanksgiving, Christmas Day, and one Personal Holiday.