To thrive in a Costco Cleaning role, you need attention to detail, reliability, physical stamina, and the ability to follow safety and sanitation procedures, often requiring previous custodial experience or on-the-job training. Familiarity with industrial cleaning equipment, chemical cleaning agents, and safety data sheets (SDS) is usually expected. Dependability, teamwork, strong communication skills, and a positive attitude are valuable soft skills in this position. These qualities are essential for maintaining a clean, safe, and welcoming environment for both customers and employees in a high-traffic retail setting.