The overall duty of a Security Guard is to protect a company’s property, employees and visitors. Here are some of their typical daily responsibilities that you can include in a job description: Patrolling and monitoring activities on the company’s premises regularly to discourage criminals and ensure the environment is safe and secure Evicting trespassers and violators and detaining perpetrators while following legal protocols before relevant authorities arrive to take over Controlling the entrance and departure of employees, visitors and vehicles according to protocols Monitoring surveillance cameras to watch out for any disruptions or unlawful activities Providing detailed reports on daily activities and any incidents that may have occurred to management Testing security systems and, if needed, operating X- ray machines and metal detectors Using provided communication devices such as two- way radios in a clear and concise manner Performing CPR or first aid when needed