Otieno has worked in various capacities at several institutions both in the United States and abroad. Since joining the Department of Technology, Dr. Otieno has actively participated in curriculum development. He has extensively revised and developed new labs in the area of manufacturing engineering, including an automation laboratory in the department. His research interests include structural health monitoring, finite element modeling, machining processes, eco-machining, machine vision applications in tool wear monitoring and micro-machining processes. He has experience in hardware/software interfacing with special applications in machine vision and PLC. He is a member of the ASEE, ASME, EWB and SME. Dr. Otieno has published several articles in the areas of machine vision applications, structural health monitoring, eco-machining, modeling of machining processes and manufacturing education.