Network engineers refer to intermediate technicians who are engaged in the planning, design, software and hardware installation and debugging, operation, maintenance and management computer network systems. Here is a detailed introduction about them:

- Job content: Responsible for the network connection in the machine room and the system configuration between networks, establishing perfecting the system network topology diagram, arranging the machine room lines and standardizing the protocols, setting up network sharing and security, dealing with network faults in time, and optimizing network regularly, etc.

- Skills requirements: Need to master network protocols, such as TCP/IP, OSPF, etc., skilled in configuring routers,, firewalls and other network devices, have the skills of network security protection, and be able to use Ping, Tracert, Wireshark and other fault diagnosis.

- Career development: You can start as a network administrator, gradually advance to become a network engineer, senior network engineer, and can also develop towards network architect, IT manager and other management or expert positions.

- Employment direction: You can work in the IT department of various enterprises and institutions such as Internet enterprises, financial institutions, and large enterprises, and you can also engage in the research and development of network products, technical support and other work in network equipment manufacturers, system integrators and other enterprises.

-ary level: The annual salary of junior network engineers in first-tier cities is about 100,000-150,000 yuan, 150,000-300,000 yuan, senior 300,000 yuan or more; the corresponding secondtier cities are reduced by 20%-30%.