To thrive as a USPS Custodian, you need a solid understanding of cleaning procedures, safe handling of cleaning chemicals, and the ability to perform physical tasks, often verified through on-the-job training or previous custodial experience. Familiarity with tools and equipment such as floor buffers, industrial vacuums, and safety protocols like Material Safety Data Sheets (MSDS) is common. Reliability, attention to detail, and time management are valuable soft skills for maintaining high cleanliness standards. These skills and qualities are important to ensure a clean, safe, and welcoming environment for both USPS employees and customers.