Operational Engineering: Managing Processes and Performance, covering the principles, techniques, and practices essential for efficient manufacturing and service operations. It explores operations planning, production planning and control, capacity management, product and process design, facility layout, scheduling, quality and productivity management, maintenance strategies, inventory control, and stores management. With practical examples, solved problems, and industry-oriented concepts such as Lean Operations, JIT, ERP, MRP, TQM, ISO standards, and statistical quality control, the book bridges theory and practice. It serves as an invaluable resource for management and engineering students, educators, and professionals seeking operational excellence.