Susheel Mahaldar

Client : CITI Bank

• Implementing the Data guard - Physical standby, Performing Database switchover and failover, resolving archive log gaps.
• Have experience in Planning, Implementing the backup strategy using RMAN, Hot backup, cold Backup and Logical Backup.
• Building new OraaS(Oracle as a Service) and Physical databases.
• Executed database cloning processes, enabling precise testing and development environments.
• Worked on Golden Gate setup and monitoring.
• Managed Goldengate switch over activities, ensuring uninterrupted data replication during system transitions.
• Performed Database Upgrade from 12c to 19c.
• Upgrading RAC instances and troubleshooting RAC issues.
• Downloading and applying Oracle Patches using OPatch utility.
• Analyzed performance using AWR, ASH, and ADDM reports, identifying optimization opportunities to enhance system efficiency.
• Worked on OEM monitoring and scheduling jobs.

Client : Capital Groups (American Funds) – DB service

• Monitored and resolved alerts on Splunk, consistently meeting SLA requirements.
• Executed database and schema refresh using RMAN and Data Pump to maintain system integrity.
• Monitored OEM alerts and performance metrics.
• Monitoring alerts on Splunk and resolving them without breaching SLA.
• Conducted performance tuning using OEM, AWR, ASH, and SQL tuning advisor to optimize database efficiency.
• Migrations and Upgrades – Dry Run and cutover activities.

Client : CapGemini

• Upgraded ETL Informatica processes to enhance data transformation capabilities.
• Executed DMLs in Production systems through Production Data Modification Request (PDMR) process.
• Upgraded over 100 Informatica ETLs, improving data integration workflows.
• Worked on ETL Informatica and have upgraded ETL Informatica.

Client : SAP Product Global Support

• Worked in Birlasoft for SAP Oracle Database Administrator (Oracle DBA support for SAP customers).
• Resolved storage issues, managed user access, and addressed patching challenges.
• Executed database upgrades, patches, migrations, backups, recovery, and RAC configurations.
• Managed 24/7 on-call support while serving as the primary DBA.
• Provided 24/7 and on-call support as a primary DBA.
• Day-to-day DB maintenance on 11g/12c environments to include Cloning, Database monitoring, Backup/Recovery Management & System Administration.
• Monitored OS performance and troubleshot database-related issues to ensure system stability.
• Performed crash recovery using Rman consistent and inconsistent backups, HOT/COLD backups.