As a senior data warehouse architect, your responsibilities focus on designing and managing data warehouse systems that house large amounts of data for a business or organization. You develop plans for data warehouse systems, design the systems with a team of junior architects, troubleshoot and repair problems, train others to use the system, and offer solutions to the organization for better organizing data. You also manage a team of junior data warehouse architects and may train apprentice architects to help them learn their job duties and the skills necessary to succeed in this career.