1. Require at least 4 years (undergraduate)/6 years (associate degree) of experience in second-line or development of application operation and maintenance, with priority given to those with experience in banking and financial system application operation and maintenance; 2. Familiar with the basic mode of enterprise level application operation and maintenance, responsible for daily support, inspection, change, release, backup and other work of various system group applications, timely handling and solving problems encountered during application operation, writing operation and maintenance documents and manuals, etc; 3. Master the key technologies of application operation and maintenance, such as Tomcat Nginx、Apache、Weblogic、MQ、Zabbix、K8S、 Core skills in application operation and maintenance such as distributed systems, big data, and computer networks; 4. Proficient in Linux operating system operation and maintenance techniques, able to write and maintain shell scripts; 5. Proficient in SQL and database related technologies, with some experience in database operation and maintenance. Candidates with knowledge of domestic databases are preferred; 6. Master other banking financial application operation and maintenance related technologies.