What does a Security Guard do?

According to people in this career, the main tasks are...

TaskImportance
Lock doors and gates of entrances and exits to secure buildings.
98%
Patrol industrial or commercial premises to prevent and detect signs of intrusion and ensure security of doors, windows, and gates.
95%
Respond to medical emergencies by administering basic first aid or by obtaining assistance from paramedics.
95%
Answer alarms and investigate disturbances.
94%
Circulate among visitors, patrons, or employees to preserve order and protect property.
94%
Monitor and authorize entrance and departure of employees, visitors, and other persons to guard against theft and maintain security of premises.
93%
Write reports of daily activities and irregularities, such as equipment or property damage, theft, presence of unauthorized persons, or unusual occurrences.
91%
Warn persons of rule infractions or violations, and apprehend or evict violators from premises, using force when necessary.
91%
Answer telephone calls to take messages, answer questions, and provide information during non-business hours or when switchboard is closed.
89%
Call police or fire departments in cases of emergency, such as fire or presence of unauthorized persons.
88%
Operate detecting devices to screen individuals and prevent passage of prohibited articles into restricted areas.
88%
Inspect and adjust security systems, equipment, or machinery to ensure operational use and to detect evidence of tampering.
83%
Escort or drive motor vehicle to transport individuals to specified locations or to provide personal protection.
73%
Monitor and adjust controls that regulate building systems, such as air conditioning, furnace, or boiler.
56%