SUMMARY:

• Over 7 years of experience of Oracle Database Administrator including 10g, 11g and 12c
• Managed databases on Linux, Solaris, Windows, AIX and HPUX.
• Build RAC Clusters.
• Build Disaster Recovery sites using Oracle Data Guard.
• Installed and configured databases using silent install, OMF and via scripts.
• Has extensive knowledge in dynamic views and dictionary tables.
• Applied CPU and PSU patches.
• Extensive experience in OS space and tablespace management.
• Worked on database security and Fine Grain Auditing.
• Extensive work on shell scripting and documentation.
• Excellent Experience as Production DBA with 24X7 supports.
• Extensive experience in backup and restores using RMAN
• Managed databases on Exadata and GoldenGate.
• Managed Oracle Databases on Amazon Web Services.
• Migrated Oracle Database to AWS
• Build, install 12c on AWS RDS
• Worked on AWS EC2
• Build Data Guard Broker & Data guard on AWS.
• Cloned databases using RMAN duplicate and used Data Pump for object level refreshes.
• Extensive experience in setting up RMAN backups and restore/recovery of databases.
• Extensive experience in export import and Data pump.
• Extensive experience in user and tablespace management.
• Managed databases using Exadata.
• Experience in Migration of databases from standalone to RAC
• Excellent experience of data migration, data archiving and data access techniques
• Installed and applied patched to oracle database and application
• Hands on experience in Hot/Cold Backup, Recovery Cloning of databases using RMAN with TSM Backup.
• Experience in tuning Different components and identifying bottle necks
• Installed and managed Oracle GoldenGate.
• Hands on Experience in Performance tuning and optimization of SQLs.
• Analyzed database performance using ASH, AWR and ADDM reports.
• Managed databases on Exadata.
• Creating and Managing Users, Roles and Privileges with required security implementations
• Expert in encryption for databases using Wallet Manager
• Database replication using snapshot, materialized views and advance replication methods
• Flexible and excellent team player. Ready to work in any shift.
• Excellent troubleshooting skills and quick learner.
• Extensive coordination with offshore team.
• Provided on call support.
• Worked on Database Migration project.
• Upgraded 10g to 11g to 12c.

TECHNICAL SKILLS:

• Oracle 12c /11g/10g/9i, ASM, RAC, Partitioning, Exadata, GoldenGate, Upgrades, Migration,
• Linux, Solaris, AIX, Windows, Exadata, Cloning, RMAN, Patching, 12c cloud control, SQL Tuning.
• Amazon Web Services (AWS), EC2, RDS

PROFESSIONAL EXPERIENCE:

Confidential, CA

Oracle DBA

Responsibilities:

• Managed 10g, 11g and 12c Databases
• Build new database servers
• Set up Physical Standby and Active Data guard.
• Build RAC node clusters.
• Migrated database to AWS.
• Managed database on Amazon Cloud.
• Worked on AWS EC2 servers.
• Created databases using scripts, OMF and via silent installs.
• Handling the code deployments developed by Developers on Dev, Test and Production.
• Managing users, profiles, roles and table space according to the requirement.
• Created shell script to automate jobs.
• Performed object, schema level and database level refreshes using Data Pump.
• Analyzed performance related issues using ASH, AWR, ADDM reports.
• Fine - tuned SQL queries.

Confidential, IA

Oracle DBA

Responsibilities:

• Build Oracle 11g with Physical Stand by Data Guard.
• Build RAC node clusters.
• Created databases using scripts, OMF and via silent installs.
• Handling the code deployments developed by Developers on Dev, Test and Production.
• Managing users, profiles, roles and table space according to the requirement.
• Created shell script to automate jobs.
• Database user backup using Export /Import Utility. And database backup using data pump.
• Production refresh to PRR environment and conversion environment when required.
• Done partitions on tables and indexes to get better performance on large tables.
• Monitoring Backup report, Database sync report (Verifying Production & Standby Database Synchronization), AWR report and wait events reports using OEM and Custom scripts.
• Configured OEM for the performance monitoring and database administration.
• Monitored indexes and analyzed their status for performance tuning and query optimization
• Used SQL Trace, TKPROF, STATSPACK, PerfStat, Explain Plan, AWR and ADDM for database performance monitoring and tuning. Ensure availability of databases and all related services such as RAC, ASM, Oracle streams and Data Guard.
• Installed Oracle GoldenGate and setup Uni-directional replication.
• Migrated Oracle Non-RAC databases to Oracle RAC databases.
• Migrated Oracle database from file system to ASM.
• Define database backup/restore procedures using RMAN and TSM. Manage database backups and perform recovery. Participate in DR exercise twice a year to validate recovery procedures.
• Prepare documentation and baselines. Analyze gap assessment and create road maps to overcome those gaps using Oracle best practices.
• Migrating databases to Oracle Exadata Database Machine for different clients
• Analyzing database performance and tuning database on Oracle Exadata using Real Application Testing (RAT)
• Perform database tuning and performance monitoring at the OS level, DB level and SQL level.
• Analyze data and make recommendations relating to performance and efficiency of data storage.
• Work with the system administrator and storage administrator to perform software installations, and to configure hardware and software so that it functions optimally with the Oracle infrastructure.
• Co-ordinate with Security administrator in adding, maintaining and removing users account, administering quotas, auditing, and checking for security issues.
• Installing, configuring and maintaining Enterprise Manager Cloud Control to monitor and manage Exadata and regular databases
• Written shell scripts to automate tasks.
• Provide after hours and weekend on-call support on a rotation basis.
• Assisted in integration of Exadata applications into current IT actionable events and solutions.

Confidential, TN

Oracle DBA

Responsibilities:

• Installed, configured, and maintained Oracle 10g and 11g on Linux
• Upgraded from Oracle 10g to 11g.
• Performed the migration from Tandem to Oracle 11g.
• Expertise in designing the table structure using Visio by creating ER diagram and normalized all the tables from the scratch according to the specifications provided.
• Performed administrative maintenance, monitoring on Oracle database systems in a global 24x7 operational environment.
• Performed Database Refresh from Production to Development databases.
• Supported different Databases like Testing, Staging and Training.
• Performed installation and configuration of Oracle 10g/11g RAC databases on Linux.
• Upgraded the Oracle 10g database to 11gR2 version and also applied patch set and interim patches whenever required to make the database software up to date.
• Installed RAC on Oracle 10g and worked on ASM feature of Oracle.
• Worked closely with developers during release and used oracle advanced features to achieve minimum downtime.
• Good experience in Performance tuning of large databases.
• Data Guard administration and maintenance.
• Successfully implemented Backup & Recovery using RMAN, Hot and Cold backups.
• Taking the RMAN incremental and cumulative backups.
• Scheduling the databases backup using crontab and VERITAS net backup.
• Perform Logical backup using full/partial export/import and data pump.
• Creation of Users and granting them the required Roles and Privileges accordingly.
• Involvement in space management, managed quotas.
• Configuration of Listener and Net Service names using NETCA and NETMGR.
• Cloned schemas, objects and data on new server using Data pump.
• Managing databases on multiple servers.
• Worked extensively on monitoring 10G grid control database, configuration of error notifications, installing listeners, and adding them to the grid control.