To thrive as Costco Security, you need a strong understanding of loss prevention, attention to detail, and knowledge of safety protocols, usually supported by a high school diploma or equivalent. Experience with surveillance systems, incident reporting software, and sometimes security certifications (such as a guard card) are advantageous. Strong interpersonal skills, professionalism, and the ability to stay calm under pressure help individuals excel in this customer-facing role. These competencies are crucial for maintaining a safe shopping environment, deterring theft, and collaborating effectively with both the public and staff.