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- 3 years of system operation and maintenance experience, server security protection experience is preferred - Master a scripting language such as shell or python, and be familiar with automated deployment tools such as maven and jenkins - Proficient in the installation and configuration of applications such as windows Server, linux, nginx, Redis, and zabbix - Proficient in the installation, configuration, management and optimization of database technologies such as mysql, oracle, mongodbredis, etc. - Have fault analysis and processing capabilities, and be proficient in using relevant analysis commands and tools, such as tcpdump, strace, netstat, perf, dstat, iostat, top, sar, vmstat, dig, etc. - Familiar with network knowledge and information security technology, and have a strong sense of information security control and prevention. +Salary: $1,500-$2,000