A Signal Engineer is a professional who specializes in designing and maintaining systems that control the movement of trains and other vehicles. They ensure that signals, switches, and communication systems work effectively to enhance safety and efficiency in transportation networks. Their work is crucial in preventing accidents and ensuring smooth operations on railways. These engineers often collaborate with other professionals, such as railway operators and safety inspectors, to implement new technologies and improve existing systems. They analyze data and conduct tests to ensure that signaling systems meet regulatory standards and function reliably under various conditions.