To excel in a JDA MMS (Manhattan Distribution Application - Merchandise Management System) role, you need a solid understanding of inventory management, retail operations, and business analysis, usually backed by a relevant degree or experience in retail IT. Familiarity with the JDA MMS software suite, database querying (such as SQL), and possibly JDA certifications are highly valued. Strong analytical thinking, problem-solving abilities, and effective communication are essential soft skills for working with cross-functional teams and stakeholders. These skills are crucial for optimizing inventory processes, ensuring system accuracy, and supporting business goals in a dynamic retail environment.