Job responsibilities:

1. Responsible for the deployment, configuration, daily inspection, maintenance, emergency response to faults, and problem handling of the company's server infrastructure environment;

2. Responsible for the management of the company's kvm virtualization platform, basic environment deployment, performance capacity management, vulnerability scanning, security reinforcement, and ensuring its stable and efficient operation;

3. Responsible for maintaining the company's centralized monitoring system, adjusting monitoring strategies and alarm thresholds according to business needs, processing alarm information and problem tracking;

4. Write system maintenance documents, improve and update operation and maintenance process documents;

Job requirements:

1. Majoring in computer science or related fields, with a bachelor's degree or above, and at least 2 years of experience in Linux system management. With rich experience, the educational requirements can be appropriately relaxed;

2. Familiar with basic network knowledge, familiar with the working principles of TCP/IP protocol, with experience in managing high traffic website servers is preferred, and familiar with automated operation and maintenance tools (choose one from three, puppet/altstack/sense) is preferred;

3. Familiar with Linux system high availability technology and load balancing technology, familiar with WEB related technologies, including the installation, configuration, and maintenance of applications such as Apache/nginx/tomcat/squid;

4. Familiar with server hardware, with the ability to troubleshoot, locate, and handle faults; Proficient in using various tools for system status monitoring (cacti, Nagios, ganglia, etc.), with experience in virtualization platforms preferred (vmware/kvm/Docker);

5. Good communication skills and teamwork spirit, strong sense of professionalism and responsibility, meticulous work, love for learning and sharing, with RHCE or RHCA certification preferred;

6. Proficient in mastering 1 to 2 languages such as shell/Python/Perl.