You say you have done four years what work content ah? Operation and maintenance work is very fine, general internal operation and maintenance is basic desktop operation and maintenance, desktop operation and maintenance is to repair the computer printer installed system, occasionally a network device, which is the lowest level of operation and maintenance, technical level and salary minimum. There are Internet operation and maintenance, Internet operation and maintenance application operation and maintenance, automation operation and maintenance, big data operation and maintenance. This part requires a lot of content, including databases, application deployment, big data, clusters, virtualization and so on. Like BAT or north of the Internet platform direction of some companies to develop technology, pay equal to the general development post. There are also full-time database operation and maintenance, network operation and maintenance. Operation and maintenance requirements of a wide range of technical aspects, if you specialize in a direction will be better. Internet platform operation and maintenance and database DBA job search surface will be better, mainly depends on the direction of personal interest from the job Q user: Mr. Yu
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