1、Fluent in listening and speaking English. 2、Familiar with routing and switching skills, at least CCIE (EI). 3、Good at Cisco wireless design, improvement, and troubleshooting. 4.Basic knowledge of Cisco SD-WAN, prefer additional troubleshooting capabilities. 5、WAN design capabilities with large site experiences. 6、Basic knowledge of Zscaler, prefer additional troubleshooting capabilities. 7、Excellent proactive communication and ownership. 8、Good incident-solving experiences. 9、Global company working experiences. 10、Good self-task management skills. 11、Good self-learning skills.