

Dattatraya Chavan
Technology / Internet
About Dattatraya Chavan:
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.
Experience
Oracle Certified Professional with 15+ years of IT experience in Database Administration in Oracle 19c/12c/11g/10g.
PROFESSIONAL EXPERIENCE:
Client: AT&T, Plano TX June’21 – Present
Role: Senior Oracle DBA / Cassandra DBA / MySQL DBA
Tech Mahindra Ltd (AT&T, T-Mobile) India / USA Plano Tx Jan’13 – Jun’21
Role: Senior Oracle DBA / MySQL / Cassandra DBA
Domain Focus: Telecommunications, Cloud Migration
Client: 3i Infotech, Mumbai, India Sep’10 – Jan’13
Role: Oracle Database Administrator
Project: Oracle DBA – 3i Infotech (Banking Domain)
Domain Focus: Banking Applications, Compliance
Education
MBA -IT
Bachelor of Computer Science
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