MongoDB Database Administrator

Job Description

8 -10 years Experienced DBA (any database) MongoDB DBA (2 years plus) Scripting and programming experience Production deployment experience Migration experience from RDBMS to MongoDB. Exposure to public cloud would be an added advantage Responsibilities: MongoDB - CRUD Operations, Document based Data Modeling, Design of Collections and Documents Experience with physical collection creation, access pattern tuning, sharding implementation, index creation, and debugging query execution to obtain optimum database performance Excellent understanding of various MongoDB database design patterns and physical architectures for different use cases Data replication and sharding in a distributed database Aggregation of data using MapReduce and other batch processing use cases Experienced in MongoDB Security Detecting performance problems using Mongo Profiler Automate routine tasks with your own scripts and open-source tools Defragmentation Schema Design – working with Application/Development team Query fine tuning Shell scripts for Monitoring like ‘slow queries’, replication lag, nodes fails, disk usage etc. Backup and restores ( Backups should be automated with shell scripts/Ops Manager) Database Health check (Complete review of Database slow queries, fragmentation, index usage... etc. ) Index rebuild Upgrades (Java version, Mongo version,etc) Maintenance ( Data center outages, etc) Architecture design as per the Application requirement Writing best practices documents for sharding, replication for Dev/App teams Log rotation/ maintenance ( mongos, mongod, config etc) Segregation of duties ( User Management – designing User roles and responsibilities ) Disk usage, CPU, Memory check Alerting Database Hardening Designing DR (Disaster Recovery)/COB ( Continuity of Business) plans as applicable Database Profiling, Locks, Memory Usage, No of connections, page fault etc., Export and Import of Data to and From MongoDB, Run time configuration of MongoDB, Data Managements in MongoDB Capped Collections Expired data from TTL, Monitoring of Various issues related with Database, Monitoring at Server, Database, Collection Level, and Various Monitoring Tools related to MongoDB, Database software Installation and Configuration in accordance with Client defined standards Database Migrations and Updates Application of database patches Capacity management Hands on experience in Server Performance tuning and Recommendations High availability solutions and recommendations Hands on experience in Root cause analysis for business impacting issues