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Contractor - Oracle Dba Resume

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Midland, MI


  • 7+ years of experience in Oracle DBA
  • Over 2 years in other IT related fields.
  • Implementation of various databases and database schemas intensively.
  • Implemented Materialize Views for reporting purpose.
  • Build RAC nodes.
  • Vast experience on Linux, AIX, HPUX, Solaris and Windows.
  • Installed and maintained Oracle 9i and Oracle 10g, Oracle 11g database server on various platforms.
  • Installed 12c Database on VMware.
  • Installed SQL Server 2005, 2008 on Windows 2008.
  • Performed migration of Oracle version 9i to 10g release 2 RAC based environment.
  • Experience in working with RAC environment.
  • Created and configured Data Guard (Standby Database)
  • Experienced in Oracle 9i/10g features (RMAN, Data Guard, and Standby Database).
  • Experience in taking HOT and COLD backup of the database and also the individual tablespaces.
  • Experience in Backup & Recovery techniques using RMAN.
  • Implemented different backup policies for different servers using RMAN.
  • Restored and recovered the databases in case of disk crash.
  • Load data using SQL loader.
  • Taken different type of backups on SQL Server.
  • Experience in installing patches for upgrades and for various problems.
  • Performed the upgrade of Oracle version 9i to 10g to 11g R2.
  • Worked on Export / Imports using Data Pump
  • Experience working with 24x7 production support.
  • Creating roles, profiles, privileges and assigning roles to users.
  • Extensively worked on monitoring and optimizing the database by performance tuning
  • Monitor usage of the databases and perform database tuning.
  • Experience in SQL TRACE and TKPROF .
  • Extensive experience in Oracle Partitioning .
  • Involved in database monitoring activities using STATSPACK.
  • Worked heavily with 10g, 11g and 12c Grid control.
  • Documented most critical procedures and trained backup staff to run them.
  • Troubleshooting of networking issues.
  • Good understanding of Indexes and statistics.
  • Good understanding of Dictionary tables and views.
  • Analyzed Tables, Indexes periodically to optimize the SQL queries.
  • Developing UNIX shell scripts and Perl scripts and SQL scripts to carry out routine checks on databases.
  • Monitored indexes and analyzed their status for performance tuning and query optimization.
  • Experience in Oracle Server installation, configuration, performance tuning, client/server connectivity, query optimization, backup/recovery.
  • Worked extensively with ASM builds and disk group management .
  • Experience in resource management like data files, online redo log files, control files, and allocating logical storage structures like tablespaces, segments and extents
  • Implemented proactive monitoring scripts for production databases.
  • Extensive experience in writing SQL queries, Stored Procedure, Function, Views, and Triggers.
  • Setup Data Guard from scratch.
  • Troubleshoot performance issues using ASH, AWR and ADDM,
  • Provided 24/7 on - call support to customers.


Languages: SQL, PL/SQL

Script and Markup Languages: Unix bash shell programming, HTML, Windows Batch files

OS & Administration: Linux, Windows, Solaris, AIX, HP-UX

Database: Oracle 9i, 10g, 11g, 12c / SQL Server 2005, 2008

Concepts and Administration: Data Guard (Standby)

Real Application Cluster (RAC): Automatic Storage Management (ASM)

Data Guard: OCFS

Grid Control: MS SQL Server


Confidential, Midland, MI

Contractor - Oracle DBA

Environment: Oracle 10g, 11g RAC, ASM, Linux, Solaris, Data Guard


  • Involved in 24x7 support for production RAC databases with on-call pager
  • Supported production, development and testing databases of Multi Terabytes DB sizes.
  • Installation of 9i, 10g and 11g clients/databases on Solaris and Linux.
  • Complete Build of 4-node 10g RAC Cluster on RHEL 4 from scratch.
  • Migrated 10g database to 11g R2.
  • Skilled with statspack, AWR, ADDM, SAR to check health of database & hardware.
  • Used Performance tuning tools such as tkprof, explain plans, oradebug and trace files to tune SQL Queries.
  • Performed database cloning to setup test and development database.
  • Migrated databases to different data datacenter.
  • Experienced with SRVCTL, OCR and Voting Disk of 10g RAC
  • Handled RAC Node hangs and node eviction issues.
  • Maintaining schemas and partitioning tables.
  • Experienced with all kinds (Status, Performance, and Trend Analysis) of DB Monitoring.
  • Index management for better performance, maintenance of Oracle Database
  • Developed RMAN scripts for database backup and recovery including hot and cold backup options for both RAC and standalone instances.
  • Responsible for administration and supporting oracle 11g, 10g and 9i databases
  • Created, upgraded, and cloned Oracle databases for Development and testing databases.
  • Performing day-to-day database administration tasks like Tablespace usage, checking alert log, trace files, monitoring disk usage, Table/index analyze jobs, database backup logs etc.
  • Worked in Tuning OS, Shared Pool, Buffer Cache, and Redo Log Buffer.

Confidential, Chicago, IL

Contractor - Oracle DBA

Environment: Oracle 9i, 10g, 11g RAC, ASM, Linux, Solaris, Data Guard, GoldenGate


  • Installing ASM environment and migrating database from NON-ASM to ASM.
  • Configure and manage tablespaces, tables, and users for custom applications.
  • Developed views, materialized views, functions, procedures, triggers, packages using PL/SQL & SQL to transform data between source staging area to target staging area
  • Creating and dropping of users, granting and revoking permissions to users/roles as and when required.
  • Experienced with Space Management and Security.
  • Experienced with GUI and CLI to manage database farm house.
  • Rebuilding of Indexes for better performance and maintenance of Oracle Database.
  • Tuning high - resource queries introducing hints and creating indexes/parturitions, changing the query if necessary
  • Configured and Maintenance of SQL Server databases
  • Implemented 10g, 11g Physical Data Guard.
  • Implemented Oracle high availability solution using oracle RAC, Physical Standby and GoldenGate.
  • Importing data from flat files into database using SQL loader and External Tables
  • Written shell scripts to automate the tasks
  • Physical and Logical database design.
  • Database sizing, Capacity Planning.
  • Worked on relational modeling using ERWIN.
  • Worked very closely with development team
  • Perform capacity planning required to create and maintain database environments.
  • Supported 24/7 on-call pager support for mission critical financial databases.
  • Involved in designing new structures/procedures/views/functions for development and data migration from production to reports.
  • Created users, roles and granted privileges according to the business requirements.
  • Data Modeling, Database Design and creation using Erwin.
  • Database performance monitoring, Application performance monitoring, tuning database and application with efficient database parameters..
  • Configuring TNSNAMES.ORA and LISTENER.ORA for SQL*NET connectivity.
  • Experience with pre-production and production of Oracle 10gR2 with multi node RAC with ASM
  • Automated the replication process using materialized views for reporting databases.
  • Plan and acquire the new technologies for and implementation, suitable for the applications in regard to the specific future requirements of the company's business projections and growth.
  • Extensive use 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 indexes to facilitate easy user interface implementation and tuning.
  • Implemented advanced features of Oracle 10g such as Automatic Database Diagnostic
  • Monitor (ADDM), Automatic Workload Repository (AWR) for monitoring database performance.
  • Performed administrative maintenance, monitoring on Oracle database systems in a global
  • 24x7 operational environments.

Confidential, Naperville, IL

Oracle DBA

Environment: Oracle 10g RAC, ASM, AIX, Linux, Solaris, Windows, RMAN, SQL*Plus, SQL, PL/SQL, UNIX Shell Scripting, Data Guard, SQL*LOADER, Oracle OEM, Import/Export Data Pump, STATSPACK


  • Installing, upgrading and maintaining Oracle RDBMS on UNIX, Linux platforms.
  • Maintaining databases from all the environments from all pre production to production which are on RAC and monitoring the Analytics environment using Oracle Streams.
  • Experienced in ORACLE 11g installation, configuration, and upgrading.
  • Experience with rolling upgrade to Oracle 11G RAC.
  • System Development Life Cycle (SDLC) methodology for designing, analysis, development and implementation.
  • Worked with lead DBAs for preparing cluster, configuring, installing Clusterware and Oracle
  • 10g RAC on AIX and HACMP.
  • Installation, Configuration, Upgrading, Migration and Maintenance.
  • Configure, maintain and deploy the Data Guard and grid control.
  • Installing and maintaining Oracle GRID CONTROL
  • Configured Workload Management, JDBC, FAN, TAF, ASM, and RMAN for maximum performance.
  • Worked extensively on Oracle Streams.
  • Troubleshoot OCFS2 install issues and working with Enterprise Manager.
  • Design and implement Auditing and other security features for the existing Production systems.
  • Raised SR and TAR with Oracle Support.
  • Used Oracle Enterprise Manager (OEM) for administering several databases
  • Backup of database Logical and Physical (hot and cold) procedures and also using RMAN.
  • Migration from Linux to Solaris and 32 bit to 64 bit.
  • Restore and Recovery of database in case of database crash, disk/media failure.
  • Applying patches and works closely with Oracle to make Application environment up to date.
  • Backups & Recovery Maintenance, Databases Performance Tuning.
  • Typically involved in database Designing, creation and maintenance.
  • Good working knowledge of SQL, PL/SQL, and shell scripting.
  • Created users and grant privileges according to the requirements.
  • Working knowledge on UNIX administration on AIX server.
  • Using OEM (Oracle Enterprise Manager) for routine administration, database monitoring, replication process and performance tuning.
  • Provided System support for both development and 24*7 production environments.
  • Clear documentation was prepared on all the processes like program specification, bugs fixing logs & change requests for future reference.
  • Performed automated backups and scheduling using scripting.
  • Responsible for migration of databases.

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