In order to obtain your Security armed guard license you must read the following: To become a licensed Class G security officer in Florida, you need to fulfill several requirements and complete specific steps. Here’s a detailed guide to help you through the process: 1. Meet Basic Eligibility Requirements Age: You must be at least 21 years old. Citizenship: You must be a U.S. citizen or legal resident. Background Check: You must have a clean criminal record. A background check will be conducted by the Florida Department of Agriculture and Consumer Services (FDACS). Certain criminal convictions may disqualify you. 2.