A TM1 Architect is responsible for designing, developing, and optimizing IBM Planning Analytics (formerly TM1) solutions to support financial planning, budgeting, and forecasting processes. They work closely with business stakeholders to understand requirements and translate them into efficient TM1 models. Their role includes building and maintaining cubes, writing TurboIntegrator scripts, optimizing performance, and ensuring data integrity. Additionally, they may provide technical guidance, troubleshoot issues, and implement best practices for scalable and efficient analytics solutions.