When staffing the security office, Officer shall monitor alarm systems, sign in and out keys and audiovisual equipment to authorized personnel, admit staff and visitors to the building, checking in and signing out deliveries, and answering the security office telephone. While performing the essential duties of this job, the employee must be able to stand, walk, and sit which may be required for long periods of time, and may involve climbing stairs, walking up inclines, or on uneven terrain throughout their assigned shift.