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.
  
   

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

 

MBA -IT 
Bachelor of Computer Science