Security guards require minimal formal, job duties, and certification requirements to see if this is the right career for you.All security guards are required to complete an 8 Hour Pre-Assignment Training Course prior to applying to the Department of State for a Security Guard Registration Card, followed by a 16 Hour On-the-Job Training Course for Security Guards within 90 days of initial employment as a security guard, and annually complete an 8 Hour Annual In-service Training Course for Security Guards every year thereafter.