Mirajul Haque

Experienced MySQL & Oracle Database Administrator with 7+ years of expertise in managing, monitoring, optimizing, and supporting enterprise database environments on AWS RDS and EC2. Skilled in database performance tuning, backup & recovery, replication monitoring, automation through Linux cronjobs and event scheduler, query optimization, and cross-platform data integration between MySQL and Oracle databases.

Senior Executive – Oracle ERP / MySQL DBA - Sahaj Retail Limited - Kolkata

(2024-05)

• Managing Oracle and MySQL database administration activities.
• Monitoring Primary and Replica databases.
• Performing RMAN Backup & Recovery and MySQL backup operations.
• Optimizing slow queries through indexing and query tuning.
• Monitoring AWS RDS Performance Insights and CloudWatch metrics.
• Automating database jobs using Linux cronjobs and MySQL Event Scheduler.
• Managing cross-platform data flow from MySQL Portal DB to Oracle ERP using Oracle Loader.

Database & Core Banking Support Engineer - MBit India (TCS BANKS-24 SBI Project)

(2019 - 2024)

• Provided production support for TCS BANKS-24 SBI Core Banking System.
• Generated and managed Day Book, Profit & Loss, Trial Balance, and Auditing reports in Oracle Database.
• Developed Oracle SQL and PL/SQL reports for banking operations.
• Supported NEFT and RTGS banking modules.

M.Sc. - Computer Science - The University of Burdwan (2017 - 2019)

B.Sc. - Computer Science (Honours) - The University of Burdwan (2013 - 2016)