Sr. Oracle Dba Resume
Jersey City, NJ
SUMMARY
- Over Nine (9+) years of experience as an Oracle DBA.
- Worked as a production support DBA - supported fairly large production instances requiring 24 x 7 support.
- Versatile team player with excellent presentation, communication and inter personal skills.
- Worked on regular day to day DBA activities which includes installation, database tuning, creating objects, implementing backup strategies, crash recovery, space management, logical backup and database security etc
- Worked independently as the LEAD DBA to support and maintain all the databases in the organization.
- Worked on Oracle 10g RAC & 11g RAC Design and Implementation.
- Worked on Installing RAC and troubleshooting performance on RAC.
- Experienced in Golden Gate install, configuration, maintenance and trouble shooting.
- Worked on managing and troubleshooting ASM.
- Have knowledge on the EMC storage.
- Have Knowledge on EMC related SAN storage replication technologies.
- Resolved the issues with CRS (Cluster ware).
- Worked on Installation and managing OEM 11g.
- Worked on resolving the issues on Data guard.
- Implementation and support of 10g and 11g Migrations.
- Planning and Implementing Upgrades to 10g and 11g.
- Have experience on installation and troubleshooting on Oracle 12c database.
- RMAN Backup and Recovery including cloning strategies.
- Worked on database monitoring and SQL performance tuning.
- Implemented backup and recovery strategies using RMAN and have scheduled RMAN SCRIPTS through OEM.
- Performed and tuned Oracle Databases using AWR, OEM Grid and Tkprof etc.
- Worked on implementation of Data pump and Export/Import.
- Experienced in capacity planning and space management. Extensively used SQL*Loader for data loading from flat files and other databases.
- Automated several jobs using CRON.
- Configuration of listeners, tnsnames on UNIX environment for oracle databases.
TECHNICAL SKILLS
Database Installation/Management: Oracle 11g/RAC, 10g/RAC,9i 8i, MS Access, SQL Server.
Tools: Toad 7.6, ERWIN 4.x, Developer 2000, SQL Navigator, Remedy, Red mine.
Operating Systems: Red Hat Linux, Sun Solaris, HP-UX, Windows 2000, AIX.
Programming Languages: SQL, PL/SQL, Java, C, C++, Shell Scripting, JDBC, ODBC, OCI.
Documentation Tools: MS Visio, MS Word. by Savings Sidekick">Data modeling tools Erwin, ORACLE Designer.
Backup/Recovery: RMAN, User Managed Backup/Recovery.
High Availability: RAC, CRS, Grid Infrastructure, GoldenGate, Data Guard, Replication, Automatic Storage Management (ASM).
Tuning: operating system, network, database parameters, SQL and PL/SQL.
Tools: Oracle Enterprise Manager (OEM), DBVerify, LogMiner, SQL*Plus, Tkprof, SQL*Loader, Import/Export, Data Pump, Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM).
Planning: logical and physical data modeling, normalization, replication, integrity and security.
Capacity Planning: performance analysis of database servers and storages in standalone and clustered environment.
PROFESSIONAL EXPERIENCE
Confidential, Jersey City, NJ
Sr. Oracle DBA
Responsibilities:
- Build RAC cluster both primary and standby using BBDA Tool.
- Worked on tickets assigned to the team.
- Worked on resolving the issues on Standby databases.
- Sync primary and the standby RAC databases.
- Provided solutions for various Cluster related issues.
- Upgraded Grid Infrastructure and databases from 11.2.0.3 to 11.2.0.4.3
- Worked on resolving ASM and LISTENER issues.
- Fix performance related issues at the OS level.
Environment: Oracle 10g,11g, RAC, CRS, Grid Control, ASM, OEM 11g, Toad, RHEL 6.4, UNIX, EMC, RMAN, Data guard.
Confidential, Newyork City
Sr. Oracle DBA
Responsibilities:
- Setup 6 node standby RAC cluster for 6 node primary RAC cluster.
- Setup Dataguard broker for the newly created standby RAC cluster and performed switchovers based on the business need.
- Worked on resolving the issues on Standby databases.
- Created scripts to verify the Dataguard synchronization.
- Created and cloned databases on RAC.
- Provided solutions for various RAC and SCAN related issues.
- Upgraded Grid Infrastructure from 11.2.0.1 to 11.2.0.3.8.
- Created and managed services to provide server side load balancing.
- Worked on troubleshooting issues related to ASM and disks.
- Worked on Maintaining and troubleshooting Golden Gate.
- Worked on adding additional Disks and Disk groups to the ASM.
- Worked on resolving Oracle alerts from OEM.
- Worked on Oracle 12c database.
- Worked on database BACKUP and RECOVERY using RMAN.
Environment: Oracle 10g,11g, RAC, CRS, Grid Control, ASM, OEM 11g, Toad, RHEL 5.5, UNIX, PL/SQL, EMC, Netapp, Golden Gate, RMAN, Data guard.
Confidential, Washington DC
Sr. Oracle DBA
Responsibilities:
- Supported a 2 Node cluster.
- Created databases on RAC cluster.
- Experience in the installation & resolution of RAC related issues.
- Experience in managing Clusterware (GRID Infrastructure) - CRS management and configuration.
- Worked on Cloning databases on RAC.
- Setup the Backup strategy for all the databases on RAC.
- Implemented strategy for partitioning and management of historical data tables in RAC.
- Carried out a strategy to direct OLTP transactions and ad-hoc queries to separate RAC nodes using database service name. This helped system to manage workload effectively.
- Worked closely with the EMC storage vendor and resolved storage related issues.
- Worked on troubleshooting ASM.
- Worked on adding additional Disks and Disk groups to the ASM.
- Installed OEM 11g on Web logic server 10.3.2.
- Applied patches on Repository database, OMS and installed agents on RAC database to monitor through grid control.
- Responsible for the evaluation and implementation of Oracle alerts using oracle OEM.
- Performed backup and restore using OEM.
- Installed Peoplesoft plugin on OEM for the Peoplesoft tool 8.2.
- Worked on Peoplesoft Application Management suite on OEM.
- Used OEM Grid Control Diagnostic and tuning packs to tune the application and SQL queries.
- Provide technical support for database maintenance and disaster recovery.
- Worked on database BACKUP and RECOVERY using RMAN.
- Worked on Managing the Data guard for switch over and fail over tasks.
- Experience in managing Data warehouse applications that are based on the control center, OWB mappings using the ETL tools etc.
- Worked on installing OWB on RAC.
- Setup and maintained Golden Gate replication on 11g RAC.
- Setup Bi-directional and Multitarget replication using GoldenGate.
- Upgraded Oracle Databases from 9i to 10g and from 10g to 11g.
- Experience on Oracle Database Tuning.
- Worked on SQL performance tuning using SQLT tool and Oracle SQL optimizer tool.
- Worked on generating Explain plan and TKprof to tune the Sql’s.
- Copy databases on different servers using tools like Export/Import, SQL Loader etc.
- Writing & managing triggers and stored procedures, write scripts for ad hoc queries and modifications.
Environment: Oracle 10g,11g, RAC, CRS, Grid Control, ASM, OEM 11g,12c, Toad, RHEL 5.5, UNIX, Windows 2003, PL/SQL, EMC, RMAN, Data guard, Golden Gate.
Confidential, Columbia, MD
Sr. Oracle DBA
Responsibilities:
- Setup Oracle 2 node RAC cluster. Installed Cluster ware, configured ASM storage, tuned application for Partitioning and Parallelism.
- Supported RAC and DATAGUARD environments.
- Designed and implemented Oracle Real Application Clusters (RAC) on unix for an OLTP application with Transaction Application Failover and high transaction volume.
- Implemented strategy for partitioning and management of historical data tables in RAC.
- Created Dataguard physical standby database as DR Solution for production database using RMAN.
- Carried out a strategy to direct OLTP transactions and ad-hoc queries to separate RAC nodes using database service name. This helped system to manage workload effectively.
- Maintain the Oracle 10g RAC environment and troubleshoot performance problems.
- Responsible for the evaluation and implementation of Oracle alerts using oracle OEM.
- Used OEM Grid Control Diagnostic and tuning packs to tune the application and SQL queries.
- Provide technical support for database maintenance and disaster recovery.
- Involved in the creation, installation, configuration of the Oracle Databases.
- Upgrading Oracle Databases from 9i to 10g and from 10g to 11g.
- Worked on backup and recovery procedures.
- Created backup plan design and implementation using cold/hot backups, Flashback and RMAN backup technology.
- Reorganized the database architecture to work efficiently and for better performance.
- Troubleshooting and performing RE-ORG of tables, archive logs and data files etc.
Environment: Oracle 9i, 10g,11g, RAC, Grid Control, SQL Loader, Toad, Linux, UNIX, Windows 2003, PL/SQL, RMAN, CRS, Shell scripting, Data guard.
Confidential, Indianapolis, IN
Sr. Oracle DBA
Responsibilities:
- Experience in transactional databases (OLTP) active 24/7 with high availability configuration RAC and Data Guard.
- Documented and supported the builds of new clusters to use Oracle 10g RAC on HP-UX and Linux. Including installing cluster ware, ASM (and shared disks) and creating new databases.
- Experience of using Oracle Enterprise Manager (OEM), Grid Control.
- Co-ordinated with development teams to understand requirement and transform into data models.
- Worked on Conventional Hot backup, Cold Backup. Implemented the backups using RMAN.
- Responsible for database backup strategies, database recovery and validation & reporting database statistics.
- Setting Oracle Streams for bi-directional replication between two databases.
- Regular Security patching on oracle products and interim patching for various bug fixes on database products.
- Export and import of database objects.
- Expertise in monitoring databases activities, maintaining the load for the production environment and collecting database statistics, creating users, groups and profiles for users.
- Monitored the growth of the database objects for capacity planning.
- Has primary responsibility for Oracle Data Base and Application performance tuning, physical/logical design and optimization and availability.
- Experienced in both application and query tuning, using AWR, ADDM, TKPROF and STATSPACK.
- Worked with both cost based and rule based optimization techniques.
- Worked on the Performance Tuning of database servers and storages in standalone and clustered environment.
Environment: RHEL, Oracle 8.1/ 9.2.0/ 10.1/11 g, SOLARIS 8/9, SQL, PL/SQL, Putty, TKPROF, Oracle Designer 2000/6i,Tools 4.5,windows,AIX,DB2, TOAD 7.6, SQL*Loader, Oracle Designer, Remedy.
Confidential, Jersey city, NJ
Sr. Oracle DBA
Responsibilities:
- Worked on the Database Migration from Solaris to Linux databases.
- Applied Patches to Database servers.
- Worked in backup team and was responsible for configuration and implementation of backup strategies using RMAN.
- Cloned production database to the test environment using Recovery Manager (RMAN).
- Worked on installing and configuring the database.
- Configured the new database to monitor through 10g Grid upon installation.
- Setup RMAN for backups according to company's backup standards.
- Worked on UNIX shell programming & CRON jobs for automating the process to refresh the data periodically.
- Recovered databases upon user request or when crashed.
- Worked on Setting up streams for one way replication between production databases.
- Designed a secure data transfer system between Windows and UNIX to replace legacy scheme with daily DBA activities like tuning of SQL/PLSQL, Performance Tuning, Database auditing and managing user groups, Database security, OS space monitoring etc.
- Export and Import of database objects to copy from one database to another database as well as copy the export dump file to tape that can act as a backup.
- Worked on DATAPUMP in exporting and importing the large databases.
Environment: Sun Solaris 7, Windows NT, PL/SQL, RAC 10g,Shell Scripts, Oracle 10g, 9i,8i, 10g, Solaris 2.9, OEM, TOAD, Sql * plus, imp/exp data pump, RMAN with catalog, DB2,stats pack, pl/sql, SQL, Sun Solaris, AIX, HPUX, Linux, windows 2000, ASM, Erwin, Veritas.
Confidential, Denver, CO
Oracle DBA
Responsibilities:
- Monitored the daily Hot and Cold Backups.
- Team member in the setting up and managing Oracle database replication among development and production databases.
- Writing UNIX shell scripts to automate database administration including scripts for database creation, statistics gathering and security administration.
- Analyzing tables and indexes to generate statistics used for tuning.
- Configuration of listeners, Tnsnames on UNIX environment for oracle work group server databases on production sites.
- Responsible for regular database activities including performance tuning, support, logical & physical design and managing Oracle utilities (SQL Loader, Export, Import).
- Query optimization through the use of diagnostic tools like Explain Plan & STATSPACK.
Environment: HP-UX 10.2, Oracle 10g, Sun Solaris 5, Oracle 8.1.7, TOAD, SQL, PL/SQL, Shell Scripts, Oracle 10g, 9i, Solaris 2.9, OEM, sql * plus, imp/exp, data pump, rman with catalog, stats pack, windows 2000,AIX.
Confidential, Coppell, TX
Oracle DBA
Responsibilities:
- Implementation of daily, weekly, and monthly DBA checklists for each environment.
- Responsible for maintenance, tuning and 24x7 support of Production, Development and Staging instances of Oracle Version 8i, 9i, 10g in HP-UX Unix environments.
- Excellent skills in troubleshooting Oracle Database and query issues.
- Worked on oracle security documents required for auditing.
- Performed export and import at schema, tablespace level.
- Worked with tier1 team on Backup, Restoration & Tuning of databases.
- Write PL/SQL and UNIX shell scripts to automate database functions,
- Plan for system growth and monitor capacity usage for new hardware or software requirements and communicate these capacity requirements to management.
- Works directly with software developers to develop and enhance applications and data conversions.
- Provided on-call support in adherence to specific business and customer Service Level Agreements
Environment: Oracle 9i, Erwin, SQL * Plus, Imp/Exp, RMAN, IBM AIX 5L, Linux, Sun Solaris, Tkprof, Stats Pack, SQL, SQL LOADER, OEM, RMAN.