MongoDB/Kafka/Redis Database Administrator

• Responsible for the management and maintenance of MySQL, Mongo, Redis, ES databases;
• Design and develop database and cache system solutions and operation and maintenance management tools;
• Continuously improve the database and cache system solutions to ensure the reliable and stable operation of the database.
• Daily maintenance of the database, and emergency recovery when major problems occur;
• Provide database development support, and perform index optimization and tuning according to business needs.
• Perform regular system health checks, and locate and troubleshoot performance problems .
• Cooperate with technology to complete a series of database optimization work.
• Master database performance tuning, monitoring, backup, exception handling, fault recovery
• Master database high availability and dynamic expansion solutions
• Provide good read and writing skills of separation scheme (IO read/write)

Job Requirements

• Good command of spoken, listen and reading Mandarin (MUST).
• More than 5 years of database management experience on Linux platform;
• More than 5 years of actual support and maintenance work in MySQL technology;
• Proficient in MySQL, Redis, MongoDB management, data backup, and optimization;
• NoSQL management, Optimization experience;
• Proficient in the principles of MySQL database engine, in-depth understanding of the implementation mechanism of the database engine, able to optimize the database according to related mechanisms;
• Good at learning and summarizing, paying attention to the development of database technology, and understanding new technologies;
• Having a strong sense of responsibility, Take the lead in improving the technical level of the entire team;
• Experience in handling tens of millions of databases
• Experience in handling catastrophic failures
• Familiar with Tidb instance management, backup and optimization are preferred