Security Guard Job DescriptionThe duties of a security guard vary according to the individual employer and the industry in which the security guard works. Employment website Indeed lists the following as some typical responsibilities:AdvertisementArticle continues below this adControl egress of employees, visitors and vehiclesDetain violators, following legal protocols before relevant authorities can take overEvict trespassers as necessaryMonitor activities on the premises, including regular patrolsMonitor surveillance camerasPerform first aid or CPRReport on daily activitiesTest security systems, as requiredUse communication devices, such as two-way radios