The data architect is responsible for developing and maintaining the data architecture, including data models, data dictionaries, and metadata. This includes understanding business requirements, processes, and systems to design the data structure and ensure the quality of data. The data architect also resolves data issues, designs data integration and mappings, documents the data architecture, and develops a data strategy. Qualifications include a computer science or IT degree, 5+ years of data architecture experience using tools like TOAD and Erwin, experience with Oracle and SQL Server, and strong analytical and problem-solving skills.