An IT Planning Developer is responsible for the strategic design, implementation, and management of IT systems and operations. They analyze business requirements to develop technical network solutions and their implementation. Their role includes coordinating with different teams to ensure the alignment of IT systems with business needs, improving data management procedures, and ensuring compliance with industry regulations. They also oversee the development of customized software and hardware requirements, project management, and maintaining disaster recovery systems. Additionally, they may also be involved in IT budgeting and forecasting, and managing relationships with vendors and service providers.