2 shifts available: Evening Shift Lead working hours: typically Sun-Thu 4:30pm-12:30am Overnight Shift Lead working hours: typically Mon-Fri 12:00am-8:00am Shift hours will be vary based on posted library hours. The officer is responsible for rounds, closing procedures, locking and unlocking doors, assisting patrons and staff, setting/disarming alarm systems, handling and/or reporting maintenance and custodial problems and, in general, dealing with any emergency or routine situations as needed.