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Oracle Database Administrator Resume

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Sterling, VA

SUMMARY

  • 7 plus years of experience as Oracle Data Base Administrator, providing 24/7 support for both production and development databases running on Oracle 11g/10g/9i/8i databases on varity of Opertating System platforms.
  • Extensive experience in installation and configuration of Oracle 8i, 9i, 10g &11g databases in UNIX/LINUX and Windows environment.
  • Having excellent problem solving and decision making capabilities, interpersonal skills, capable of multi - tasking and understanding the priorities for client satisfaction.
  • Proficient in Database Administration activities such as Upgrades, Patches, TAR support, Cloning, Backup and Recovery, capacity planning, and documentation.
  • Experienced in features Data pump, Flash-Back Recovery, AWR, ADDM, Grid Monitoring
  • Experience about Oracle 11g RAC.
  • Experience in Standby / Data Guard
  • Efficient in troubleshooting of database and performance problems.
  • Worked with development teams and data administration staff to enhance Database and application performance. SQL query tuning, troubleshooting, debugging, and issue resolution.
  • Assists IT&T staff and clients with data base technical issues.
  • Experience in different OS environments like AIX, HP-UX, SUN SOLARIS, Linux and Windows.
  • Knowledge on Oracle Support processes for technical requests through Metalink
  • Performed backups and tested crash recoveries using conventional cold, hot & RMAN backups.
  • Develops, follows, and coordinates implementation of database standards.
  • Experiance in performance tuning using Explain Plan, STATSPACK, SQL TRACE, TKPROF.
  • Proficient in using OEM and RMAN.
  • Result oriented, self-motivated, team player, ability to work independently.
  • Experience in Oracle Applications 11i refreshes, troubleshooting and migration and applying application patch
  • Experience on Oracle 10g, 9i & 8i environments running Oracle Apps, Peoplesoft
  • Experience on large SAP installations, SAP Database systems hosted in UNIX/Linux environment with Oracle backend.
  • Experience in handling critical timebound projects viz. database and server migrations, OS upgrades on database servers and Oracle Applications servers
  • Experience in HOT and COLD BACKUP of databases and tested crash recoveries using conventional cold, hot & RMAN backups
  • Worked on BCV (EMC) backup’s, validation of SRDF copy of production database to refresh dev/qa instance
  • Experience with SAP Database refreshes
  • Experience in seting up and managing ASM database instances.
  • Experience with Logical and physical design of database.
  • Experience in Oracle database upgrades (from 9.2.x to 11g, 10.2.x to 11g)
  • Experience in ticketing tools like Remedy.
  • Experience in documentations
  • Preliminary experience in MSSQL Server 2008

TECHNICAL SKILLS

Operating Systems: AIX 6.1, HP-UX 10.x, 11.x, Sun Solaris 9/ 10, RHEL 5.x / 6.x and Windows 2003/2008

RDBMS: Oracle 11g(RAC) / 10g, Oracle 9i, Oracle8i, MSSQL Server 2008,SAP Database.

Languages: SQL, PL/SQL, UNIX Shell scripting

Tools: RMAN, OEM, SQL*Loader, EXP,IMP,TOAD, EXPdp, IMPdp, Brtools, Oracle Net Manager, Configuration & Migration Assistant

Tuning Tools: TKPROF, EXPLAIN PLAN, STATSPACK, AWR, ADDM, TOAD

PROFESSIONAL EXPERIENCE

Confidential, Sterling, VA

Oracle Database Administrator

Responsibilities:

  • Database Creation/Maintenance (database instances), managing logical and physical database structures.
  • Conducted sizing & capacity planning for Oracle databases.
  • Installation of Oracle11gR2 on Unix systems
  • Database Reorganization regularly for removing row migrations and fragmentation using export and import utilities.
  • Managed the existing databases by applying new required release modification to existing database structure and applied new Oracle patches as required
  • Configuring Archive Log Mode for Database and Maintaining Archive files.
  • Monitoring backups.
  • Adhere to database management standards and guidelines
  • Database backup validation and Recovery of Database (Recovering from Media Failure, Recovering tables dropped accidentally, Recovering data files, recovering from Block Corruption).
  • Completed setup of ASM on Windows/Linux database and supported ASM instance
  • User management. Creating and dropping of users, granting and revoking permissions to users/roles as and when required
  • Database upgrades from 10g to 11g and migrated database to LINUX operating system.
  • Data guard setup for high availability, Setup of Standby database and monitor the sync process. Experienced with DATA GUARD IMPLEMENTATION.
  • InstallingSQLserver, backup and recovery.

Environment: Oracle 9i/10g/11g, SQL Plus, Toad, OEM, ASM, DATA Guard, Windows, and LINUX, HPUX, RMAN

Confidential, Santa Clara CA

Oracle Database Administrator

Responsibilities:

  • Handle new project requests from requirement gathering to closure.
  • Create databases for Testing, Development and Production.
  • Backup and Recoveryusing RMAN with external tape backup system.
  • Installation of 11gR2 binaries, database creation, backup and monitoring setup for new database
  • Upgrade databases from 10.2.x to 11g.
  • Implement new features of 11gR2 in existing environment.(Compression, flashback database)
  • Supporting Oracle databases in SAP and Non-SAP environment.
  • Installing, Upgrading, Configuring, Cloning, Patching, Backup-Recoveries, Data Archiving, Index Management, Space Management, Troubleshooting and Administering with SAP databases
  • Managing SAP databases using BR tools.
  • Schema refreshes (using expdp/impdp, EXP/IMP mechanism).
  • Interface setup for upgraded (11g R2) databases.
  • OEM agent installation for managing and maintaining the hosts and its targets.
  • Manage/resolved central inventory issues for multiple databases.
  • Worked on OEM GridControlto monitoring, administration of databases
  • Installed Oracle 11g RAC on Linux platform using ASM for a storage manager•
  • Scheduled jobs through Cron.
  • Basic project management tasks includingplanning, status reportingand scope management.
  • SQL Tunings for Performance of Objects.
  • Databases / schema / table re-organization for faster performance.
  • Applied critical patch updates (CPU) released by oracle quarterly.
  • Data refresh from production (using hot backup/SRDF copy) to test and development.
  • Worked on project Oracle stabilization. Oracle applications 11i.
  • Migration of applications and db servers to new servers (hardware). Domain name change in all apps configuration files.
  • LNK, DEV, QA oracle apps environment systems migration. On success of these pipeline env. Changes were implemented in production database server and prod apps server.
  • Implemented DR plan for oracle apps production systems after a successful go live of the project.
  • Post go-live support.

Environment: Oracle 9i/10g/11g, SQL Plus, Toad, Oracle Enterprise Manager (OEM) Grid Control, ASM, RAC11g, Windows 2003/XP, AIX and Solaris, HPUX, Oracle Applications 11i, RMAN

Confidential

Oracle Database Administrator

Responsibilities:

  • Provide 24x7 support (On call after office hours)
  • Supporting both production and development activities.
  • Create databases for Testing, Development and Production.
  • Performance tuning for optimized results using tools like Explain Plan, SQL*Trace and TKPROF, Statspack, OEM.
  • Installation of Oracle version 10g on Solaris and AIX
  • Apply database CPU patches whenever required.
  • Data refresh from production to test and development
  • Involved in developing adisaster recovery(DR) plan & conducting/implemented a DR exercise.
  • Continuous Performance monitoring and tuning of the databases and application usingOEM Tuning Pack, Diagnostics Pack, STATSPACK.
  • Tablespace management.
  • Performance tuning of Oracle Database Objects.
  • Taking periodic backup of the database and the software.
  • Analyze alert log and user trace files and provide root cause.
  • SQL Tunings for Performance of Objects.
  • OS level activities likespace monitoringof Mount points
  • Automation of Startup Shutdown on all Production and Development Database.
  • Scripts for analyzing of tables and rebuilding of indexes.
  • Write scripts to check Oracle errors in alert log file and send email notification.
  • Configure monitoring for the databases.
  • Performance reviews of production databases along with the application team
  • Planning and execution of Table space reorgs in production databases
  • Refreshing Oracle Applications env and troubleshooting Oracle apps related issues
  • Worked on oracle applications bringing up and down form, web servers and concurrent managers whenever required for routine maintenance. Troubleshooting Oracle Apps issues for Concurrent Manager..
  • Experience in Oracle Applications 11i refreshes, migration and applying application patch
  • Administration of concurrent managers
  • UsedRMAN for backup and recovery.
  • ImplementedHot, Cold and Logical backup plans, Performed backup validations
  • Created and managed both system level and object level roles and privileges for various users. Killing sessions and revoking user privileges and roles.
  • Database review for capacity planning. Every month for production database and quarterly for their pipeline database. And meet with application team for any discrepancies.
  • Provide backup/recovery, problem diagnosis, performance tuning, data reorganization, and database upgrade support for Oracle databases.
  • Supporting mission critical Oracle databases in SAP and Non-SAP environment, SAP Systems including Sandboxes, Development, Quality, and Production SAP Systems (with multiple Application Servers) in ECC, BI, SRM, EP, MDM on Oracle 11g
  • Managing SAP databases using tools like BR tools. SAP Database refreshes.

Environment: Oracle 8i, 9i, 10g, Oracle Apps 11.0, SQL plus, RMAN, TOAD, Sun Solaris and HP-UX, LINUX, Windows Server, SharePoint

Confidential

Oracle DBA

Responsibilities:

  • Installation of Oracle 10g on HP - UX
  • Created duplicate production environment for Database
  • Recover new database from prod backup
  • Transfer of archive logs for 1 month. And apply them in new env to keep it updated with original production database.
  • Backup setup(Hot and cold backup, arch backup )
  • Database monitoring setup.
  • Post go-live support
  • Same way migrated QA, dev and test env to new servers.

Environment: SQL*Plus, Oracle 10g, HPUX.

Confidential

Oracle DBA

Responsibilities:

  • Involved in oracle 9i DBA activities for supporting development and production environment.
  • Providing the full database dumps and schema/table level dumps to DEV/QA database environment
  • Performed DBA tasks such as: adding data files to table spaces, creating users and granting privileges, checking all instances are up and running, checking new alert log entries and backup issues.
  • Creation of Tablespace, datafiles, indexes, rollback segment and monitor them.
  • Coordinate Backup and Recovery operations for the entire databases, ensuring 100% recoverability
  • Creation and maintenance of control files, redo log files and data files.
  • Configuration and handling of hot backups and cold backups.
  • Recovering the databases from disasters.
  • Checking for invalid indexes and rebuild the unusable index.
  • Performing Daily, Weekly and Monthly Oracle monitoring and maintenance tasks.
  • Performed Database Tuning. Performed Database Security and Integrity.
  • Designing and creating schema objects like Database tables, indexes, views, synonyms, and all schema objects in Oracle.
  • Monitoring the data loading jobs and tuning the Sql queries.

Environment: Oracle 9i, UNIX (Sun Solaris), Windows (2003), TOAD, SQL*PLUS, Explain Plan.

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