Mohammed Naseer (Database Reliability Engineer / ML / AI / RAG / MCP )

Working as a Database reliability engineer with profound experience in Oracle(9i,10g,11g,12c), MySql, AWS, MongoDB, SQLServer (2005,2008,2012,2014), MariaDB and Postgres Database administrator in Production, Development and R&D environments. • Designing and Implementing High availability & Disaster recovery solutions to various customers in MongoDB, Oracle, MariaDB, Postgres & SQLServer. • Experience with MongoDB, replicate, shards, distributed database. • Profound experience in performance tuning and provided tuning suggestion for many mission critical Online Transaction processing systems and improved overall response time. • Experience in troubleshooting locking issues, wait events, hang analysis. • Profound Experience in Installing, configuring and administrating MongoDB, Exadata, Golden Gate, RAC, DataGuard, SQLServer Clustering, Always on, log shipping and mirroring. • Excellent understanding in MongoDB architecture & NoSQL concepts. • Good understanding of key Exadata features including Exadata smart scan, Smart Flash Cache, Exadata Storage Index, Hybrid Columnar Compression and Exadata Storage Management & Administration. • Profound experience in Real Application Testing • Designing and implementing databases on VMware’s and different OS flavors like Linux, AIX, Solaris, hp-unix etc. • Good Knowledge on data modeling and ERD. • Good knowledge in SQL, PL/SQL, Shell Scripting and Perl scripting. • Supported for 24X7 Production environments on-call standby. • Experience in backup & recovery techniques on Mongo, Oracle and SQLServer databases. • Experience in handling up-gradations and Migrations of standalone, MSSQL and RAC Databases. • Hands on experience in database patches installation, database security, capacity management, cloning databases. • Profound experience in monitoring & Administrating RAC, Exadata, DR, SQLServer, Single tenant and Multi-tenant databases 12c. • Proficiency in Oracle Grid Control, OEM 11g/12c • Handling Data Guard Switchover & Failover in oracle and mirroring in SQL server scenarios.