Sr. Oracle Dba Resume
Chicago, IL
SUMMARY
- Over 9 years of experience as an Oracle Database Administrator.
- Having 5 years of experience in handling RAC databases.
- 5 years of experience handling Exadata Machines X3.8,4.2,4.8,5.2 .
- Supporting for Exalogic machines .
- Good knowledge on Oracle Apps 11i & R12, Oracle Database 7.x, 8,8i, 9i, 10g,11g and 12c.
- Expertise on Installation, Upgradation, maintenance and administration of single and RAC Oracle Database of 11gR1, 10gR2 and 9iR2.
- Supporting for Production, development and testing databases for different application teams.
- Expertise in tuning the Exadata Database Machine Hardware and memory level .
- Supported for 100 TB databases.
- Expertise in installing different versions of Oracle on Linux and Solaris.
- Installed & configured 2 - NodeRAC using OCFS as cluster file system and ASM lib.
- Good knowledge on Oracle advanced Technology RAC, Data guard, OEM, Grid Control, ASM and Replication using Materialized Views, Oracle 10gR2 Streams and site scope .
- Upgraded the database from 9.2.0.1 to 10.2.0.1 and 10g to 11g.
- Installed oracle 11g client and server software.
- Having experience in database cloning using RMAN,HOT,COLD backups
- Working in 24X7 on-call production database support and maintenance including remote database support.
- Experienced in development and production on Stand Alone and RAC
- Providing High Levels of security and firewall for Oracle databases .
- Extensive knowledge in Oracle standalone, RAC database architecture.
- Delivering Oracle Database performance-tuning services for customers with EXPLAIN PLAN, TKPROF, STATSPACK, AWR, SQL TRACE.
- Having experience in applying patches for database and applications.
- Capable of troubleshooting the troublesome sql statements.
- Generated ADDM for taking the advisories of a database performance.
- Configured Data guard and tested for failover and switchover
- Monitoring index usage and Performed Rebuilding of Indexes.
- Performed table and table space level defragmentation.
- Having experience in cloning and migrating database from Linux to Solaris, Solaris to AIX and Linux to windows.
- Applied latest patches and bug fixes for 11g .
- Experienced in taking regular off-line, online and logical Backups.
- Good Knowledge on languages C, Java, SQL, PL/SQL, UNIX Shell and Perl.
- Experienced in taking an RMAN backups to tape and disk.
- Experienced in assigning user level issues.
- Good Exposure on Performance Tuning and database design.
- Strong understanding of internal architecture of Siebel Databases .
- Proficiency in creating business and technical project documentation .
- Expertise is working with distributed and global project teams
- Excellent communication skills .
TECHNICAL SKILLS
Databases: Exadata, Oracle 9i, 10g, 11g,12c .
Operating Systems: OEM 12c,OEL, RHEL 2.1, 3.x, 4.x, 5.x, 6.x, Sun Solaris 9.0/10.0, HP 10.x, 11.x, AIX 5.3, 5.2, 5.1 and Windows200X/NT/98.
Programming& Scripting Languages: SQL, PL/SQL, C, C++,HTML,XML, UNIX Shell Scripting, JAVA,.Net
Tools: & Utilities: EXADATA,RAC, VM Ware, Golden Gate,OEM, Toad, Tidal, Site Scope, SQL Navigator, SQL* Loader, ASM, SQL Server,Export/Import, RMAN, TOAD, Patch Management, SQLNET, ODBC, Export/Import, Data pump, Data Guard, VERITAS Net Backup, VMware, Logminer, CronTab, Remedy, Client ticketing systems
Tuning Tools: ADDM, AWR, TKPROF, EXPLAIN PLAN, STATSPACK
Terminal Emulation: Putty, Telnet, FTP
PROFESSIONAL EXPERIENCE
Confidential, Chicago, IL
Sr. Oracle DBA
Environment: Software Database: 10g,11g,12c, Exadata X4.2,4.8,5.2 O/s: Linux, Solaris, Aix, Oracle Golden Gate, OEM 11g, 12c
Responsibilities:
- Supporting for Exadata machines and Golden Gate, Site scope.
- Supporting for RAC environments on OVM nodes.
- Supporting for different versions of Exadata for Full and half rac .
- Experience in closely work with oracle support to resolve the Exadata issues and bug fixes .
- Expertise in Installing, configuring and Weblogic Server on Exalogic servers.
- Experienced on Weblogic cluster configuration and administration .
- Supporting for oracle 12c OEM and databases .
- Working closely with storage team to fix the Exadata issues.
- Upgraded database and OEM from 11g to 12C .
- Supporting for oracle application R12.
- Installation, Configuration and administration of Oracle 11g/10g database on Red Hat Enterprise Linux (RHEL) and also Upgradation from Oracle 10g to 11g.
- Configured 3-node Real Application Cluster (RAC) and monitored RAC instance with Oracle Enterprise Manager Grid Control.
- Installed and Configured Oracle Enterprise Manager Grid Control 11g.
- Upgradation of Grid Infrastructure and Oracle Databases from 11.2.0.1 to 11.2.0.3 on 3-node RAC environment.
- Migration of database from one server to another server with zero downtime.
- Migration of Application Databases from SQL to Oracle.
- Implemented Data guard, creating physical standby databases in 10g and 11g RAC environment for production database.
- Installed, Configured and Administered Golden gate.
- Configured parameters for the Bi-directional replication.
- Performed conversion Non RAC single instance to Real Application Cluster (RAC) database instances.
- Using Oracle Data Pump utility making faster exports/imports on large databases and saving lot of time.
Confidential, Charlotte, NC
Sr. Oracle DBA
Environment: Software Database: 10g,11g and 12c, Exadata . O/s: Linux, Solaris, Aix, VM Ware
Responsibilities:
- Supporting for Exadata machines and Golden gate.
- Supporting for Exadata X3.8,4.2 .
- Patching and upgrading to 11g.
- Good Exposure on Exadata Scan technology .
- Expert in deployment of different applications for Exadata databases.
- Monitoring and maintaining cluster DB’s for their Optimal Performance and
- Trying to ensure 100% availability of the DB’s.
- Implemented 4-Node RAC with raw devices and ASM Library Interface.
- Allocating and reorganization of tablespaces.
- Incorporating user’s requests as per Emails.
- Job scheduling using dbms job and crontab.
- Backup database using export/import.
- Taking backups using RMAN.
- Performed Database Cloning from Production to Test environment.
- Monitoring and optimizing the performance of the Database through
- Stats pack/AWR.
- Maintenance of Database and Listener.
- Moving data between databases using utilities like Import, Export, SQL loader and Transportable Table spaces.
- Checking Alert log, trace files, listener log and other database job logs.
- User creation and providing necessary Roles, Privileges and quota as per the requirement.
- Trying to ensure 100% availability of the DB’s.
- Cloning of single instance database from 2 Node RAC database;
- Implemented RMAN backup strategy for RAC database.
- Administered the RAC database by using srvctl & crsctl utilities
- Moving data between databases using utilities like Import, Export, SQL loader and Transportable Table spaces
- Preparing scripts to automate the jobs at database level.
- Housekeeping of arch files and trace files.
- Taking the online and offline backups according to the manager approval.
- Preparing AWR report for database health checkup and for performance improvement.
- Creating DB links, resizing of table spaces, allocating quota for users.
- Decommissioning of Schemas as per approved requests.
- Consistently interacted with client and team in resolving the queries.
- Working on Tickets to handle the sev 1/2/3/4 issues.
Confidential, KY
Oracle DBA
Environment: Software Database: 9i,10g and 11g Application: oracle R12 O/s: Linux, Solaris, Aix and Windows
Responsibilities:
- Supported for both oracle databases and applications.
- Providing *24/7 Support on production instances
- Configuration Recovery Manager (RMAN), Dataguard, Distributed Database
- Database version Upgrades from 10.2.0.1 to 10.2.0.4
- Moving the Database across the platforms
- Cloning databases through RMAN with Auxiliary
- Configured the Clone databases from Production to reporting databases
- DBA support for Production, QA and Development teams.
- Perform regular database activities like space management, database health check-up etc. Troubleshooting and resolving numerous production issues.
- Implementation of Scheduled Change Control requests on Productions.
- Involved in migration of database from 9i to 10g.
- Allocating system storage and planning future storage requirements for the database system.
- Refreshing test database with production database when required.
- Administered databases remotely.
- Monitoring Alert log & System log files.
- Created users & privileges with appropriate roles and levels of security.
- Troubleshooting Oracle connectivity issues.
- Implementation of Backup and Recovery Strategies.
- Planning & performing hot and cold backups.
- Moving data between databases using utilities like Import, Export, SQL loader and Transportable Table spaces.
- Installed & configured 2-Node RAC using OCFS as cluster file system and ASM lib.
- Configured high availability services for Transparent Application Failover(TAF)
- Taking backups using RMAN
- Performed Node Eviction issues
- Patched and upgraded 10.2.0.1 databases to 10.2.0.4.
- Performed Database Cloning from Production to Test environment
- Monitoring and maintaining cluster DB’s for their Optimal Performance and
Confidential
Jr. Oracle DBA
Environment: Software Database: 9i,10g and 11g O/s: Linux, Solaris, Aix and Windows
Responsibilities:
- Monitoring and maintaining cluster DB’s for their Optimal Performance and
- Trying to ensure 100% availability of the DB’s.
- Allocating and reorganization of tablespaces.
- Incorporating user’s requests as per mails.
- Job scheduling using dbms job and crontab.
- Backup database using export/import.
- Taking backups using RMAN.
- Creation of DB LINKS.
- Performed Database Cloning from Production to Test environment.
- Monitoring and optimizing the performance of the Database through Stats pack/AWR.
- Maintenance of Database and Listener.
- Moving data between databases using utilities like Import, Export, SQL loader and Transportable Tablespaces.
- Checking Alert log, trace files, listener log and other database job logs.
- User creation and providing necessary Roles, Privileges and quota as per the requirement.
- Decommissioning of Schemas as per approved requests.
- Resolving user’s day-to-day issues.
- Consistently interacted with client and team in resolving the queries.
- Working on Tickets to handle the sev 2/3/4 issues.
Confidential
Associate Oracle DBA
Environment: Software Database: 8,9i,10g and 11g O/s: Linux, Solaris, Aix and Windows
Responsibilities:
- Providing *24/7 Support on production instances
- DBA support for Production, QA and Development teams.
- Perform regular database activities like space management, database health check-up etc.
- Troubleshooting and resolving production issues.
- Refreshing UAT & QA with Production Database.
- Implementation of Scheduled Change Control requests on Productions.
- Involved in upgradation of database from 9i to 10g.
- Administered databases remotely.
- Monitoring Alert log & System log files.
- Created users & privileges with appropriate roles and levels of security.
- Managing privileges and roles to ensure database security.
- Troubleshooting Oracle connectivity issues.
- Implementation of Backup and Recovery Strategies using RMAN.
- Planning & performing hot and cold backups.