To thrive as a Costco Janitor, you need basic cleaning skills, attention to detail, and the physical stamina necessary for extended periods of walking, lifting, and standing. Familiarity with industrial cleaning equipment and standard safety procedures, such as proper handling of cleaning chemicals, is often required. Reliability, teamwork, and a positive attitude help you excel in maintaining a clean and safe environment for customers and colleagues. These skills are crucial because janitorial work directly impacts the safety, customer experience, and overall presentation of the store.