1. Have 2~3 years relevant work experience, with CCNA / CCNP or related license.
2. Familiar with the ADSL, PPPOE, DHCP network structure.
3. Maintain the existing network environment, check for obstacles, optimization, and so on.
4. Have a certain degree of network knowledge, understand the basic structure of TCP / IP (Routing, Switching, Load balancing)
5. Familiar with the Linux operating system installation configuration and system parameter optimization settings, familiar with the Tcp / Udp network principle, understand the http protocol, and be familiar with the network routing and switching principles.
6. Proficient in shell scripting, proficient in the use of at least one operation and maintenance management tool such as ganglia, nagios, cfengine, saltstack, zabbix, cacti, puppet.
7. Familiar with Nginx, php, mysql, redis, hadoop configuration and deployment.