Smart City Sustainability Planners develop integrated urban solutions combining sustainability principles with digital technologies such as IoT, data analytics, and smart infrastructure. They design systems for energy efficiency, mobility, water management, and waste reduction within urban environments. Their role is critical in shaping future cities that are resilient, efficient, and environmentally sustainable. With rapid global urbanization and smart city initiatives, demand for such expertise is increasing significantly. Professionals must integrate urban planning, technology, and sustainability knowledge to create innovative and scalable solutions for modern urban challenges.