Lead Dba Resume
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SUMMARY:
- A qualitative professional with over 12+ years of experience in supporting database issues for critical production sites and closely working with the application support team.
- Expertise noledge of oracle architecture, performance tuning, database monitoring, database backups and recovery, troubleshooting performance bottlenecks for both standalone & RAC databases in the production sites.
- Good noledge on planning and implementing the production databases to avoid any critical performance problems in future after site goes live.
- Having cross platform noledge across multiple RDBMS (Oracle, SQL Server, PostgreSQL, Sybase ASE/ IQ & AWS)
PROFESSIONAL EXPERIENCE:
Confidential
Lead DBA
Responsibilities:
- Serving as a role of Oracle SME, involving high priority issues, provide solution and recommendations.
- Managing DBA team in offshore with micro strategy, coordinating between Application team, onshore and offshore DBA team.
- Good noledge on tuning bad SQL query and DB performance, strong noledge on analyzing the AWR,ADDM, SQL - T reports, SPM and identifying the performance bottleneck.
- Having the noledge on SQL tuning advisor, OEM, 12c RAC, DB replication (Dataguard, Shareplex, gloden gate & MMR).
- Handling issues with related to tables and indexes as well as good understanding of optimizer join methods (like nested loop, hash join etc).
- Able to perform daily DBA activities such as resolving the ORA errors, RMAN backups, redirect db restore, daily monitoring of database etc.
- Dealing with different types of wait events and analyzed for solution for it and also good noledge on memory tuning for the instance.
- Coordinating new projects & initiatives from LOB team and driving it for completion.
- Setting up regular connects between LOB team and offshore team.
- Generating the monthly metrics and analyze the data for process improvement and resource optimization.
- Added new scope of work by implementing automation and process improvement without additional FTE.
- Developed the capability of the associates by identifying the gaps and addressed it with proper, development and mentoring.
- Participating and coordinating in the DR test & INDIA out exercise for various Infrastructure functions.
Lead DBA
Confidential
Responsibilities:
- Datawarehsouse Database Conversion to Teradata/Exadata and Shareplex V7/Gloden Gate Replication.
- Configuring Standby database (Real Application Cluster RAC) for High Availability and Disaster Recovery Solutions.
- Scheduling Quarterly Disaster Recovery Tests for all Critical Databases by bringing down the primary database and switching over to Disaster Recovery Site.
- Fine tuning poor performing SQL Statements using indepth precise, SQL Tuning Lab, FogLight, SpotLight and Oracle Enterprise Tuning Pack.
- Capacity Planning and Forecasting for Storage Space and CPU utilization.
- Database Health Checkup, applying Vulnerability patches, Database Maintenance using Oracle Enterprise Manager/Grid Control.
- Performing HOT and COLD Database backups using RMAN and SQL Backtrack for Oracle and Litespeed for SQL Server.
- Performing Dry Run backups to test integrity of the backups.
- Performing Point in Time database recovery as needed by application.
- Generate work load metrics for Incident Management, Change Management Problem Management on weekly basis and provide graphs to Senior Management.
- Diagnose and resolve Performance, Connectivity, Security and database corruption issues in critical production environments.
- Provide solutions for Data Masking for Non Public rmation (NPPI) Data like SSN, etc.
- Expert Server build/Managing Sybase ASE 15.0, 15.5,15.7 and Sybase Replication server 15.5 Administration
- Proficient in Trouble shooting, Scheduling Maintenance Jobs like DBCC, Update Stats, Monitoring Error Logs, Space management are part of my activities
- Configuring table level Replication and Multisite availability using Sybase Replication server
- Creating Replication Definition, subscriptions, configuring Rep Agents
- Trouble shooting Problems Raised Due to Replication thread
- Doing periodical health checks and tuning database for better performance
Primary DBA
Confidential
Responsibilities:
- Database Design and Creation of Databases, Schemas and Users.
- Backing up and restoring the Database.
- Rebuilding Index Segments to clear Fragmentation through automated UNIX shell script.
- Controlling and monitoring user access to the database.
- Configuring high availability (RAC) & Disaster Recovery site.
- Creation of Maintenance Plans for Backups, Statistics Updates and TSM
- To Check Event Log errors and to make necessary actions to rectify them.
- Export/Import of objects
- File system / Disk Space Monitoring
- Tuning the poor SQL Queries.
- Migrated 7 production databases size about 4 TB to Exadata.
- Performed partition of tables
Primary DBA
Confidential
Responsibilities:
- Installation, Configuration of ASM and Creation of Oracle 12c RAC database.
- Design Database and Creation of Users/Schemas.
- Configured Oracle Replication - Data Guard.
- Applied Disaster Recovery setup.
- Applied Security Patches for this Oracle database.
- Configured Database encryption.
- DB migration from EPH to LIM.
Secondary DBA
Confidential
Responsibilities:
- Ensure performance and scalability of PostgreSQL databases.
- Implement, refine and maintain database replication and failover.
- Install, tune and monitor Postgres database instances.
- Develop, refine and monitor recurring database jobs/scripts.
- Participate in database design for new features/functionality.
- SQL and PL/pgSQL coding.
- Query analysis and optimization.
- Data import and data migration.