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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, 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. Major 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 extensive experience, the educational requirements may be appropriately relaxed;

2. Familiar with basic network knowledge, familiar with the working principle of TCP/IP protocol, experience in managing high traffic website servers is preferred, and familiarity with automated operation and maintenance tools (choose one of three puppets/saltstack/ansible) is preferred;

3. Familiar with Linux system high availability technology and load balancing technology, familiar with WEB related technology, including installation, configuration, and maintenance of Apache/Nginx/Tomcat/Squid and other applications;

4. Familiar with server hardware, capable of troubleshooting, fault location, and handling; 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 team spirit, strong sense of career and responsibility, meticulous work, love for learning and sharing, RHCE and RHCA certifications are preferred;

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