Professional Summary:

Oracle DBA with over 6+ years experience maintaining Oracle Database running on UNIX/LINUX ( Sun Solaris, HP-UX, AIX ,RedHat Linux) and Windows.

• Experience as On-Call24x7productionDBA support, application/development DBA.
• Extensive knowledge on database administration for Oracle 8i, 9i, 10g and 11g, with experience in very large scale database environment and mission critical large OLTP and OLAP systems.
• Involved with installation and maintenance of ORACLE 10g RAC/oracle 11gRAC and standby database for High Availability and Disaster Recovery purpose.
• Experience in managing Oracle databases running on MS-Windows, NT Server, UNIX/Linux, Sun Solaris, HP-UX & AIX and RHEL.
• Hands on experiencein Oracle 10g/11g RAC implementation & administration (Oracle Clusterware setup and configuration, RAC installation using ASM, Grid Installation).
• Good experience RAC Clusterware administration, Configuration and Patching.
• Extensive experience in Dataguard configuration, implementing and maintaining standby databases.
• Hands on experience in Grid control, Streams, GoldenGate Replication.
• Experience in Performance Tuning using EXPLAIN PLAN, SQLTRACE, TKPROF, STATSPACK, AWRand ADDM.
• Setup Oracle Enterprise Manager (OEM) 10g & Grid Control (11g) for database monitoring/performance/diagnostics.
• Extensive experience in Database Backups RMAN (Full/Incremental backups) and in traditional hot/cold backups.
• Experience in LOGICAL BACKUPS and Database migration tools with DATA PUMP, Export/Import and Transportable Tablespaces.
• Good experience in writing/editing UNIX Shell Scripts.
• Good experience in PATCHING AND UPGRADATION. Expertise in upgradingOracleDevelopment and Production databases from 8i to 9i, 9i to 10g & 11g, 10g to 11g.
• Extensive knowledge and experience on managing very large Data Warehouse databases.
• Proficient in SQL, PL/SQL, Stored Procedures, Functions, Cursors and Triggers.
• Extensive experience in configuring and implementing ASM and proficiency in using ASMCMD and ASMLIB.
• Experience in Flash-Back Technology.
• Experience in Database Refresh and patch management and in Databasecloning with RMAN and manual methods.
• Experience in Capacity Planning and Bench Marking.
• Developed database monitoring/health check alert scripts for database uptime/downtime status, and sizing issues using grid control (OEM).
• Proficient in raising TAR with Oracle Support and using Metalink to resolve the bottlenecks in the database environments.
• Excellent Communication skills, co-ordination and communication with system administrators, business data analysts and development teams.

TECHINICAL SKILLS:

RDBMS: Oracle 11g RAC, Oracle 10g RAC, oracle 9i, oracle 8i, Oracle 7.3, SQL Server, MySQL.
Operating Systems: Solaris 9/10, Linux RHAT 4/5,6, HP-UX 10.x/11.x, AIX 5.2/5.3, Microsoft Windows NT,2000/2003/2005.
High Availability , Tuning& Monitoring Products: Oracle 10g RAC, Oracle 11g RAC,
Tools & Utilities: ASM, Data Guard, Grid Control (OEM), Tkprof, Statspack, AWR,
ADDM, ASSM, Oracle SQL Developer, TOAD, RMAN, Export/Import, DataPump (expdp/impdp), SQL Loader.
ETL & Reporting Tools: Informatica , Power Center 8.5/8.0,Data Stage6.0,1.0,
Business Objects Xi R26.1, Oracle Data Integrator, SAS
Backup Tools: Veritas NetBackup, NetApp, HP OmniBack, TSM,EMC
Programming Languages: C,C++,Asp.Net, XML, HTML, DHTML, CSS, Java

Education: Bachelor of Technology

Professional Experience

Confidential, Boston, MA Aug 09 - Present
Sr. Oracle DBA

Responsibilities:

• 24x7 Production database and applications support.
• Installed, configured, and maintained Oracle 10g and 11gR2.
• Upgraded databases from Oracle 9i, 10g to 11g.
• Involved with installation and maintenance of ORACLE 10g RAC/ORACLE 11g RAC and Standby Databases (Oracle DataGuard) for High Availability and Disaster Recovery purpose.
• Restoration and Recovery of databases at the times of occurrence of critical failures.
• Responsible for installing, upgrading and configuring the Oracle environment by creating databases, storage structures and objects, database backup and recovery, monitoring and optimizing database performance.
• Applied CPU patches.
• Implemented Oracle database backup & recovery solutions using RMAN and manual methods.
• Performed block recovery using RMAN.
• Moving data between databases using Data Pump.
• Performed large batch jobs, and tuning of SQL queries and database systems.
• Created User accounts, Roles and granting required access permissions and privileges to the database based on the applications they are accessing.
• Partitioned large tables for better performance and manageability.
• Installed and configured GoldenGate for replication.
• Responsible in configuring and backing up database using RMAN, Hot backups, Cold backups and Logical backups.
• Migrated databases from Sun Solaris, HP-UX to IBM AIX, and Windows to Linux.
• Written PL/SQL Stored Procedures, Packages, Functions and Triggers.
• Worked with Data Pump to take the logical backups of databases.
• Experienced in performing Point-in-Time Recovery.
• Performed Capacity Planning and Bench Marking
• Load and Transform data using SQL*Loader and External Tables
• Logical and Physical Database Design
• Clear documentation was prepared on all the processes like program specification, bugs fixing logs & change requests for future reference.
• Performed capacity planning, Extracting, Transforming and Loading (ETL) data using SQL*Loader and External Tables.

Environment: Oracle 11g RAC/10g RAC, HP-UX, REDHAT LINUX, SUN SOLARIS, IBM AIX, ASM,OEM (Grid Control), RMAN, Explain Plan, AWR, ADDM, Data Pump, SQL*Loader, GoldenGate

Confidential, Lincolnshire, IL May 08 - Aug 09
Oracle DBA

Responsibilities:

• Installed, configured, and maintained Oracle 10g and 11gR2.
• Upgraded databases from Oracle 9i, 10g to 11g.
• Involved with installation and maintenance of ORACLE 10g RAC/oracle 11gRAC and Standby databases (Oracle DataGuard) for High Availability and Disaster Recovery purpose.
• Responsible for installing, upgrading, patching and configuring the Oracle environment.
• Implemented Oracle database backup & recovery solutions using RMAN.
• Extensive uses of Oracle Data pump Exports/Imports utility for moving data among the servers.
• Performed large batch jobs, and tuning of SQL queries and database systems.
• Created User accounts, Roles and granting required access permissions and privileges to the users.
• Partitioning and re-organization of table and indexes.
• Configured and implemented Oracle Streams.
• Implemented downstream capture at the destination database using Oracle Streams.
• Responsible in configuring and backing up database using RMAN, Hot backups, Cold backups and Logical backups.
• Written scripts for the automation of backups and clonings
• Migrated databases from HP-UX to IBM AIX.
• Written PL/SQL Stored Procedures, Packages, Functions and Triggers.
• used Data pump to take the logical backups of databases.
• Involved in designing logical and physical data models using Erwin.
• Migrated databases from HP-UX to Sun Solaris, and Windows to Linux.

Environment: Oracle 11g RAC/10g RAC, HP-UX, REDHAT LINUX, SUN SOLARIS, IBM AIX, ASM,OEM (Grid Control), RMAN, Explain Plan, Data Pump, SQL*Loader, AWR, ADDM

Confidential, Columbus, OH Nov 07 - May 08
Oracle DBA

Responsibilities

• Provided 24X7 support for all the production and development databases.
• Installed and configured Oracle 10g.
• Performed upgrades from Oracle 9i to 10g.
• Administration of Oracle Applications versions 11i.
• Other duties include applying oracle database patches, design and creation of databases as per user requirement, creation of database users, monitoring, tuning, troubleshooting, backup and recoveries.
• Applied Oracle Applications and database patches.
• Cloned/Refreshed Oracle Databases and Oracle Applications.
• Responsible for optimizing the queries and application tuning.
• Perform SQL tuning and assist developers with coding PL/SQL.
• Provided support to Application Database Administrators in designing the database.
• Installed and Implemented Backup & Recovery procedures.
• Implement Hot, Cold and Logical backup plans.
• Implement “Stored Procedures and Triggers” based on business plans using PL/SQL.
• Automation of data load using Korn shell scripting and SQL*Loader.
• Responsible for setting and managing user accounts, Granting required privileges to users.
• Defining and Implementation of backup and recovery strategies.
• Perform other regular DBA activities including space management and performance monitoring.
• Optimization and tuning SQL queries using TRACE FILE, TKPROF, EXPLAIN PLAN.
• Continuous monitoring of database performance during peak and non-peak loads using STATSPACK.
• Involved in process improvement, Oracle Server Installations/Upgrades/Patches, Space Management, Capacity Planning, Backup & Recovery, Disaster Recovery, Database Performance Tuning, Memory Tuning, Application Tuning, Security Administration, Data Warehousing, Data Guard, Oracle Advanced Replication, Real Application Clusters, Oracle Standby Servers.

Environment: oracle 11g/Oracle 10g RAC/9i/8i, REDHAT LINUX, ASM,OEM (Grid Control), IBM AIX, RMAN, Explain Plan, Data Pump, EXP/IMP, SQL*Loader, AWR, ADDM

Confidential, Hyderabad, India Jul 06 - Oct 07
Oracle DBA

Responsibilities:

• Maintenance of Oracle Production, Development, Testing and QA databases.
• Installation and configuration of Oracle 9i, 10g databases.
• End-user requests in terms of assisting them in effectively create tables, views, packages, sequences, schema refreshes.
• Worked with developers to provide queries and tuning the queries for better performance.
• Issues related to Space Management, Locks, Database Hit Ratios, Backup failures and UNIX related On-Call alerts.
• Resource Management (Create and manage Indexes, Clusters, Tables), allocate and manage physical storage structures like Data files, Redo logs, Control files. Allocate and Manage logical storage structures like Table spaces.
• Database backup & Recovery.
• Load data using SQL*Loader.
• Alert monitoring and Ticketing.
• Developed SQL, PL/SQL Programs such as procedures, functions, packages and triggers
• Coordinated with developers and users connecting to different databases, setting policy and procedures as they relate to database maintenance, security, backup & recovery, SQL coding guide lines.
• Coordinating Backup and Recovery operations over all databases.
• Creation of users and Granting them privileges and roles.
• Export and Import Data according to the users request.

Environment: Oracle 10g RAC/9i/8i, SUN SOLARIS, REDHAT LINUX, OEM (Grid Control), RMAN, Explain Plan, Data Pump, EXP/IMP, SQL*Loader, STATSPACK, AWR, ADDM

Confidential, Hyderabad, India Feb 05 – Jun 06
Oracle DBA/Developer

• Involved in 24x7 production database maintenance and on-call support.
• Responsible for administering and supporting production and development Oracle 8i databases. Migrated production and development environments from Oracle 8i to Oracle 9i environment.
• Responsible for installing, upgrade and configuring the Oracle server, creating databases, storage structures and objects; database backup and recovery, monitoring and optimizing database performance.
• Designed backup and recovery procedures for OLTP system. Conducted periodic cold and hot backups.
• Instance cloning done to create test and training environments.
• Developed SQL, PL/SQL Programs such as procedures, functions, packages and triggers
• Partitioned large tables to increase the performance.
• Configured scripts to monitor activity with database.
• Generated scripts for daily maintenance activity like analyzing the tables/indexes, and monitoring their growth rate.

Environment: Oracle 10g RAC/9i/8i, SUN SOLARIS, WINDOWS, OEM (Grid Control), RMAN, Explain Plan, Data Pump, EXP/IMP