She has worked in cybersecurity, computer networks, software engineering, and big data analytics, both in industry and academia. Before joining UNLV, Prof. Jo was a Member of Technical Staff at Bell Laboratories of Lucent Technologies, Holmdel, New Jersey, where she developed control software for optical networking equipment. She also worked as a software engineer at Coree Networks, a start-up that developed an ultra-fast packet switch. Her academic work includes research on various cyber attack protection methods, cybersecurity data mining, real-time control software design and testing, network performance analysis, data collection and visualization, and performance issues of Hadoop and MapReduce. She has served numerous IEEE and other conferences as a program, conference, finance, registration, and local chair.