Sr. Oracle Dba Resume
Rockville, MD
SUMMARY
- 10 plus years of strong Oracle DBA experience, administering production and non production databases. Having in - depth noledge of oracle architecture and oracle internals.
- Oracle 9i oracle certified professional.
- Oracle 10g RAC Certified Professional.
- Experienced on installation, configuration with OracleOEM(10g to 12c).
- Configured 10gRAC on HP EXADATA.
- Involved in different scenarios of OLTP as well as DSS (Data warehouse) databases.
- Configured 11gRAC on ODA (Oracle Database Appliance).
- Configured physical and logical standby databases (DataGuard).
- TEMPHas Strong noledge in Performance Tuning of databases and fixed many performance related issues.
- Installation, configuration and administrating Oracle GlodenGate replication.
- Administered MySQL databases.
- Involved in setting up Replication between Master and slaves.
- Strong noledge of RMAN Backups and Recoveries.
- Versatile team player with excellent presentation, communication and inter personal skills.
- Configured OEM Grid.
- Proficient in UNIX shell scripting.
- Experience on GlodenGate environment.
- Good at writing PL/SQL procedures.
- Good at Erwin to design data model.
TECHNICAL SKILLS
Databases: Oracle 8i, 9i, 10g, MySQL 5.0, 11.2.0.3, 12c (12.1.0.2)
RAC: Oracle 10.2.0.3.0 , 11.2.0.3
Operating Systems: UNIX (Sun Solaris 5.0, IBM AIX, HP UNIX 10.x/11.0/11.x, Linux), Windows XP/98/NT/2000
Programming Languages: SQL, PL/SQL, UNIX Shell Scripting, Perl Scripting, MS-DOS Batch Scripts, COBOL, C
Applications/Web Servers: Clarify, Oracle 9i AS R1 (V 2.0.2.2.1), Web Sphere, Oracle 10g AS R2 (10.1.2), Apache Web server 2.0, IIS 5.0, Tomcat 5
Packages & Tools: ER/Studio, XML/DB, Erwin, TOAD, DataModler, OEM
PROFESSIONAL EXPERIENCE
Confidential, Rockville, MD
Sr. Oracle DBA
Responsibilities:
- Worked on daily health check of production and pre-production databases.
- Daily verification of dataguard sync and analyzed alert logs.
- Worked on Jira tickets to create database objects.
- Worked on refresh of database from production to non-prod using table exists action datapump parameter to refresh teh schema without dropping and recreating teh schema with REPLACE option.
- Monitored different prod and non-prod databases.
- Monitored MSSQL server databases.
Confidential, Washington, DC
Sr. Oracle DBA
Responsibilities:
- .Worked in refreshing databases from production to non-production databases.
- Worked on SIEBEL application on migration project to migration databases from 8i to 11g.
- Created application procedures and functions.
- Created database links and database objects.
- Worked on fixing performance issue by increasing PGA AGGREGATE TARGET parameter.
- Worked on rebuilding indexes.
- Involved in meetings with data modelers, developers, and dba’s.
- Monitored all teh 11g databases on Red Hat Linux environments by using OEM 11g and 12c.
Environment: Oracle 8i,Oracle 11g, Windows and linux.
Confidential, Vienna, VA
Sr. Oracle DBA
Responsibilities:
- Worked as production database support, monitoring and administering production databases.
- Worked on creating 12c databases.
- Worked on setting Data Warehouse setup using PL/SQL Procedures and triggers.
- Worked on Data Warehouse Reports.
- Worked on writing SQL reports for in house data reports.
- Worked on creating data encryption functions to encrypt application users password.
- Worked on creation database reports with encrypted data for some of teh columns.
- Worked on writing PL/SQL packages and procedures.
- Monitored all teh 11g databases on Red Hat Linux environments by using OEM 11g and 12c.
- Worked on setting AUDIT on databases with respect to FEDRAMP, program.
- Worked on monitoring and configuring DataGuard.
- Worked on refreshing production data to development, QA and staging environments.
- Fixed different performance issues on production databases.
- Worked on 11g Installation and database creation.
- Performed extensive data modelling to differentiate between teh OLTP and Data Warehouse data models.
- Worked on configuring Oracle 11g two node RAC database on ODA (Oracle Database Appliance)
- Worked on database recovery.
- Worked on database upgrade from 10g to 11g.
- Created materialized views.
- Worked with application team for crating tables and database objects for quarterly production releases.
- Was on call supporting databases on off hours and on weekends.
Environment: Oracle Linux, Sun Solaris, Oracle 10.2.0.3, 11.2.0.3, 12.1.0.2, ODA RAC
Confidential, Vienna, VA
Sr. Database Administrator
Responsibilities:
- Worked as production database support monitoring production databases.
- Worked on deploying tickets on daily basis.
- Involved in database design using Erwin and Relational/OLTP Modeling.
- Worked on refreshing production data to development by making use on rman duplicate command or rman cloning.
- Applied October 2009 CPU patches to databases.
- Provide 24 x 7 supports as an on-call DBA on rotational basis.
Environment: Linux, Sun Solaris, Aix, Oracle 11.1.0.6.0 , 10.2.0.3
Confidential, Manassas, VA
Oracle DBA
Responsibilities:
- Monitored more than 25 production databases.
- Administered databases of gigabytes in development, QA and production environments.
- Involved in refreshing production data to development and QA environment to keep development data in sync with production data by making use of expdb/impdb & RMAN transportable tablespace.
- Configured 11g RAC with ASM on 2 nodes on HP EXADATA.
- Involved in applying CPU patches.
- Configured or set notification alert in Grid control to send emails with different metrics.
- Involved in upgrading databases from 9i to 10g.
- Installed oracle software on new servers and created databases on them.
- Configured Streams replication.
- Involved in rebuilding indexes.
- Involved in solving ORA errors like snap shot too old error, unable to extend temporary tablespace etc.
- Restored and recovered database using RMAN.
- TEMPHas a ticketing system and will work on tickets assigned to me.
- Edited some of teh already available scripts.
- Provide 24 x 7 supports as an on-call DBA on rotational basis.
Environment: Linux, Sun Solaris, Oracle 11.1.0.6.0 , 10.2.0.3, 10.1.0.4., HP EXADATA.
Confidential, Jersey City, NJ
Oracle DBA
Responsibilities:
- Administered 30+ databases of gigabytes in development, testing and production environments.
- Provide 24 x 7 supports as an on-call DBA on rotational basis.
- Implemented oracle 10g RAC with ocfs2 and oracle 10g RAC on Linux with A.S.M.
- Cloned databases from production environment to other environments.
- Perform regular space management tasks to ensure enough disk space.
- Involved in applying latest CPU patches.
- Involved in administrating MYSQL databases such as creating databases, users, tables, performing backups.
- Involved in migrating some MYSQL tables and oracle tables into oracle database.
- Involved in upgrading databases from earlier version to oracle 9i/10g.
- Monitored and optimized database performance using tools like STATSPACK, SQL tuning advisor, Tkprof, explain plan, auto trace utilities and SQL scripts.
- Set up replication on MYSQL master and slave.
- Involved in administration of MYSQL databases.
- Data warehouse DBA skills related to partitioning and materialized views.
- Involved in designing and implementing backup strategies for production databases.
Confidential, Jersey City, NJ
Oracle DBA
Responsibilities:
- Involved in teh installation, configuration and upgrading of teh oracle database to 9i &10g.
- Involved in maintenance of separate production/quality/development/test databases and monitoring health check on daily basis
- Developed PL/SQL procedures, triggers, packages and dynamic SQL scripts
- Involved in implementation of backup and recovery policies and procedures.
- Was involved in cloning of production database to teh test environment using recovery manager (RMAN).
- Involved in creating roles and user administration.
- Monitored and optimized database performance using tools like STATSPACK, Tk-prof, explain plan and SQL scripts.
- Involved in writing Perl scripts.
- Assisted teh Sr.DBA in database administration and performance tuning.
- Maintaining teh space requirements, tablespace management.
- Created and developed UNIX shell scripts for automating backups and weekly cleansing scripts and scheduled them through cronjob.
- Involved in creating users and granting privileges to them.
- Implemented oracle 9i physical standby DataGuard for teh production database running on oracle 9i as a recovery solution.
- Involved in killing teh session which were taking much cpu spikes.
- Resolved tickets on priority basis.
- Provided 24x7 on call support on a rotational basis.
Confidential
Oracle DBA
Responsibilities:
- Offline OS backup of Application/Database
- Online logical backup of Entire Database / User Schema
- Generate weekly reports on data integrity
- To ensure utmost accuracy of financial transactions and completeness of data entry.
- Managing users accounts Creating New Roles / Users / Profiles.
- Granting access on tables/views depending on job they do
- Managing tablespaces Dropping / Creating Tablespaces.
- Modifying Storage Parameters for Tablespaces depending on application requirement
- Managing Rollback segments. Dropping/Creating Rollback segments with appropriate storage parameters to reduce waits.
- Designing Data storage for New Applications database Tuning. Identifying and resolving contention with respect to Disk IO, Redo Logs and Rollback
Confidential
Jr. Oracle DBA/Developer
Responsibilities:
- Managing teh databases remotely using VPN Client.
- Oracle Installation, Configuration management, Security and Monitoring, Backup and Recovery and Troubleshooting.
- Re-designed for new architecture, developed, customized and implemented teh merchant rebate program.
- Allocation of system storage and planning future storage requirements for teh database.
- Enrolling users and maintaining system security.
- Developed stored procedures and Database triggers.
- Participated in Tuning SQL queries for better performance, response time using indexes.