This book presents the peer-reviewed proceedings of the 5th International Conference on Science, Engineering, and Technology (ICSET 2025), featuring recent advances in computational intelligence and its applications in modern engineering systems. It brings together contributions from researchers, academicians, and industry experts covering intelligent algorithms, data-driven methods, AI-enabled engineering solutions, networked systems, and emerging digital technologies.The volume highlights practical and theoretical developments across multidisciplinary engineering domains, including electronic and electrical engineering, communication systems, information technology, and smart infrastructure. Emphasis is given to innovative computational techniques that improve performance, automation, optimization, and decision-making in complex engineering environments.This book serves as a valuable reference for researchers, graduate students, engineers, and practitioners seeking current research trends and applied solutions in computational intelligence and modern engineering technologies.