Answer: The Bureau of Security and Investigative Services issues the California Guard Card, which is valid for 2 years. You have to approach the local office, armed with a Security Guard training of minimum 8 hours, with additional 32 hours needed, depending on the post you are applying for. To become a bank security guard, you will need arms training and learn to fire a weapon. Once you have that, you have to undergo background check by getting fingerprinted by the card issuing authority. Most companies require that their bank security guards possess a high school diploma or equivalent, a valid driver’s license for patrolling, a Security Officer license issued by the BSIS, CA, and BSIS issued valid Firearms Permit for .38 or .357 caliber weapons. Read more Security Guard FAQs