Dattatraya Chavan

Oracle and Cassandra DBA

Talent

United Center, City of Chicago, CookMember since October 27, 2024

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About

OBJECTIVE:To prove myself dedicated, worthy, and energetic as a Database Administrator in a progressive organization that gives me scope to apply my knowledge and skills and be a member of a team that dynamically works towards the success and growth of the organization. PROFESSIONAL SUMMARY:

Oracle Certified Professional with 15+ years of IT experience in Database Administration in Oracle 19c/12c/11g/10g.
Experience in upgrading, patching, and troubleshooting.
Extensive Experience in AWS Migration from on-prem to AWS environment.
Extensive Experience in Azure Migration from on-prem to Azure environment.
Experienced in RMAN Backup and Recovery, Oracle Database upgrade, Standby Database Management (DATA GUARD), Performance Tuning, Golden Gate installation/upgrade, and Troubleshooting.
Hands-on experience with GoldenGate 19C installation and upgrade. Restoration of archives to fix GG replication lagging issues.
Cassandra DBA:
NoSQL Database Administration: Managed Cassandra clusters to store large-scale telecom network data, handling the increasing data volume generated by AT&T and T-Mobile’s 4G and 5G networks.
Configured and maintained Cassandra clusters across multiple data centers, ensuring fault tolerance and horizontal scalability.
Optimized data partitioning and replication strategies in Cassandra to handle distributed workloads and ensure data availability across regions.
Implemented automated backup solutions for Cassandra using snapshots and developed disaster recovery procedures for telecom applications.