Sr. Oracle Dba Resume
Bellevue, WA
PROFESSIONAL SUMMARY:
- 7+ years of experience as Oracle DBA using 10g, 11gR2 and 12c databases with high availability.
- Experience in Goldengate, Data Guard and RAC combined with large databases in Oracle Database services.
- Worked on fresh Oracle 10g and 11g and 12c database server installs.
- Build Oracle 11g/12c Databases on Linux (Standalone, RAC, CDB’s and PDB’s)
- Install and configure active - active Goldengate 12c in RAC environment.
- Install Jagent to enable GG cloud control monitoring using 12c Cloud control.
- Configure CDR rules to manage conflicts.
- Analyze Goldengate load testing reports.
- Applied Goldengate patches.
- Configured Goldengate for Initial Load.
- Created Oracle Standby Data Guard databases for RDS Databases on Confidential Internal Cloud.
- Migrated High Volumes of Data from Legacy servers to RDS Cloud Databases.
- Worked on Oracle RAC to RDS standby build.
- Created more than 300 Oracle 11g/12c Databases on Linux mostly RAC in Confidential .
- Migrated Overall 100+ TB of Data in Confidential Data Center Migration.
- Performed Windows to Linux (cross-platform) migration for Confidential .
- Set up alert notification for space issues thru OEM Cloud Control 12c Administer, manage and configure various database versions such as 10g, and 11g via OEM Cloud Control 12c environment.
- Configure backup, monitoring and application jobs using shell scripts.
- Good understand in RMAN backup and restore. Performed cloning using duplicate database.
- Used Export Import / Data Pump, DBLinks for data movement.
- Created and managed role-based security to restrict or permit users according to their database usage.
- Good knowledge of Oracle RAC and Flashback technology in Oracle.
- Experience with Oracle Data Pump restoring and managing databases across multiple environments.
- Installation, upgrade, configuration, administration and maintenance of very large Oracle databases on most flavors of UNIX namely Sun Solaris, AIX, HP-UX, Linux and also on Windows 2003(NT 5.2)/2008(NT 6.0). Servers.
- Performed High level of Database Migrations with multiple techniques (Transportable Tablespaces, RMAN Cloning, Data Pump, ExpImp, and Goldengate Initial Load).
- Performed Database Upgrades 10g to 11g and 11g to 12c.
- Worked with Storage Admins for carving out partitions for data files systems.
- Worked with SAN, NAS for ASM disks.
- Experience in schema management, Tablespace, Data files and extent management, as well as user and privilege management.
- Involvement with physical and logical design of database.
- Experience monitoring Oracle RDBMS availability and operational support.
- Experienced in Database Security Administration using roles/grants.
- Created Data Guard for RAC and standalone databases.
- 24*7*365 DBA support for databases with a large amount of data.
- Planning, Testing, Performing and Monitoring Database Backup and Recovery, RMAN.
- Strong experience in OEM 12c Cloud Control and TOAD.
- Understanding of UNIX Shell scripting.
- Hardworking, result oriented, enthusiastic, good interpersonal and communication skills.
- Worked with Developers during Deployments.
- Worked on instance tuning as per the best practices.
TECHNICAL SKILLS:
Operating Systems: RHEL, HP-UX, AIX, Windows, Sun Solaris
RDBMS: Oracle 10g R2, 11g R1/R2, 12c
High Availability: RAC, DataGuard, Goldengate
Tools: RMAN, OEM, SQL*Loader, exp, imp, expdp, impdp, TOAD, etc.
Tuning Tools: TKPROF, EXPLAIN PLAN, STATSPACK, SQL Advisor, ADDM and AWR.
PROFESSIONAL EXPERIENCE:
Confidential, Bellevue, WA
Sr. Oracle DBA
Responsibilities:
- Responsible for new Installations of Oracle RAC, ASM, OEM using 11gR2 and 12c under RH Linux 6.5 to 6.7 and AIX.
- Install and configure active-active goldengate 12c in RAC environment.
- Install Jagent to enable GG cloud control monitoring using 12c Cloud control.
- Configure CDR rules to manage conflicts.
- Analyze goldengate load testing reports.
- Applied Goldengate patches.
- Configured Goldengate for Initial Load.
- Responsible for creating and managing Data guard instances, and involved in database installation, maintenance and administration for disaster recovery.
- Created Oracle Standby Data Guard databases for RDS Databases on Confidential Internal Cloud.
- Migrated High Volumes of Data from Legacy servers to RDS Cloud Databases.
- Working on Oracle RAC to RDS standby build documentation.
- Created more than 300 Oracle 11g/12c Databases on Linux including RAC and CDB and PDB.
- Migrated Overall 100+ TB of Data in Confidential Data Center Migration.
- Fixed 100+ broken 11g Oracle Data guard Databases.
- Created 70+ Oracle Data guard Physical Standby databases.
- Performed Windows to Linux (cross-platform) migration for Confidential .
- Upgraded and patched existing Oracle homes.
- Performed GI Patching twice annually.
- Worked with customer for different RAC related issue such as node eviction, cluster issues, ASM issue and etc.
- Created document for adding more than one physical standby RAC databases for existing data guard configuration, Successfully Tested and implemented on databases.
- Involved as team member in planning phase of new Servers/RAC Databases to host databases that are as big as 3 Terabytes in size.
- Created Documentation on Transportable Tablespaces for Confidential for High Level Data Center Migrations.
- Install & configure Oracle Clusterware & RDBMS Software (Troubleshooting using cluvfy & handling common issues that arise during integration of the whole - bugs, network issues, configuration files issues, OCR issue, deinstallation & cleanup of clusterware) performance tuning, and Applied patches to 3 node RAC with ASM and Grid Control environment.
- Created Users/Roles, granted/revoked Permissions/Roles, defined quota on Tablespaces for users, and effective management of Locally Managed Tablespaces, Dictionary-Managed Tablespaces, and Temporary Tablespaces.
- Used exp/imp, data pump and dblinks to move the data.
- Having hands on experience in Hot/Cold Backup, Recovery and Cloning of databases using RMAN.
- Worked on schema Reorganizations for better space management
- Performed Database Refreshes and Database Copies for Development, Test and Production databases
- Configured and Managed ASM devices and disk groups through both ASMCA and ASMCMD utility.
- Patched Database using OEM 12c.
- Migration of system and applications from Oracle 11g to 12c.
- Configuring and using the Oracle Enterprise Manager in 12c for Performance, Maintenance and Administration tasks.
- Scheduled Backups in 12c cloud control.
- Monitoring of free space in tablespaces, Archive log destination, and monitor issues Database/Listener availability, Blocking Locks, etc.
- Configured RAC database with 4 nodes. Implemented Data Guard, Physical and logical Stand by databases to ensure high availability, data protection and disaster recovery.
- Improved the performance of the database by tuning SQL and database instance parameters using AWR, ASH, ADDM and SQL Tuning Advisor in Oracle 11g
- Using TCP/IP Protocol Configured SQL*Net files on server / client machines, and resolved client connectivity issues.
- Improved the performance by Using the Hints, Indexes, Explain Plan.
Environment: SQL, SQL*Plus, Oracle 11g. 12c, Linux, HP-UX, Windows.
Confidential, Detroit, MI
Sr. Oracle DBA
Responsibilities:
- Provided 24x7 on-call support to the Production database.
- Database tuning methodologies and monitoring techniques.
- Implemented backup, recovery scripts for Oracle Database using RMAN.
- Implemented incremental RMAN backup scripts (Level0, Level1, Archive log) created Cumulative backup and optimally scheduled RMAN backups.
- Hands-on experience in administering database including job scheduling (DBMS JOB), backup/restore (RMAN), data import/export (IMP/EXP), Data pump etc.
- Involved in Managing of table spaces such as dropping, creation and updating of storage parameters.
- Setting up physical standby database / data guard for operational recovery.
- Administer and create all the object of database including tables, table spaces, setting privileges, indexes, user logins, and passwords (security).
- Experience in upgrading oracle database from 10g to 11g
- Experience in applying the quarterly Oracle DB PSU's.
- Experience in building a new 3-node RAC and migrating the existing database on to the newly built servers including ASM storage migration.
- Involved in building a physical Standby for the Production RAC servers with Data guard.
- Experience in troubleshooting DR issues, applying logs manually, monitoring DR and its replication.
- Experience in adding an additional node to a stand-alone database and get the cluster services available for that.
- Experience in migrating database on cross platform i.e. from Oracle to SQL and SQL to Oracle.
- Provided assistance in getting the tickets resolved.
- Cleaning the ORACLE HOME file system by cleaning the log files, alert log file and listener.log files.
- Performing Backup/Recovery of all the Oracle databases using RMAN, also setup RMAN catalog for the same.
- Involved in using Oracle database features like Undo Tablespaces, External Tables, Locally Managed Tablespaces, and Transportable Tablespaces.
- Added Luns to ASM diskgroup from CANDIDATE DISKS
- Did server space management including SAN request and NEW disk initiation.
Confidential, El Segundo, CA
Oracle DBA
Responsibilities:
- Interfaced with client on daily basis.
- Implemented procedures and practices regarding database design, development, monitoring, access, and High Availability.
- Installed and configured database management system software.
- Developed and implemented backup and recovery strategies.
- Implemented capacity planning for databases.
- Implemented company wide database privileges, security, and migration.
- Developed policies and procedures for system operations to better serve clients.
- Presented database management solutions to internal clients
- Used Oracle 10g AWR & ASH to monitor database activities and performance tuning.
- Responsible for quarterly patching and bug fixes.
- Installing, Monitoring, Upgrading Oracle 10g/11g.
- Created Physical standby Data Guard.
- Configured Data Broker Configuration for Data Guard database.
- Practiced switched over and failover for Disaster Recovery.
- Database Backup, Database Restore and Database Recovery using various tools.
- Database Reorganizations for better space management.
- Performed Database Refreshes and Database Copies for Development, Test and Production
- Installation of Oracle 11g, 10g in RH Linux, Sun Solaris.
- Upgrading to new versions and applying patches as required.
- Install, tune and configure complex clustered database environments.
- Creating Database, Tablespaces, Rollback Segments etc.
- Create and maintain users, roles and privileges.
- Performed Online/Offline database backups.
- Built and configured RMAN Recovery Catalog for Backup and Recovery strategy.
- Involved in DB Security, Audit and Risk Management of DB systems.
- Implemented backup strategies, which involved taking an incremental backup and enabled the block change-tracking feature.
- Involved in monitoring the lock and latches processes, releasing locks in case of resource blockage and gathering statistics.
Environment: SQL, SQL*Plus, Oracle 10g, 11g, RHEL, AIX, Windows NT/2000, HP UX, TOAD, Grid Control, OEM.
Confidential, Schaumburg, IL
Oracle DBA
Responsibilities:
- Supported and maintained Oracle 10g databases.
- Experience monitoring Oracle RDBMS availability and operational support.
- Created databases for Production, Pre-Prod and Dev environments.
- Installed OEM agents on several databases
- Configured databases and monitored of all the databases using Oracle Enterprise Manager (OEM) 10g grid control.
- Worked on daily regular monitoring of the databases
- Understanding of shell scripts to automate database jobs.
- Upgrading and patching the 10g databases.
- Performed logical backup using export/import and data pump utilities
- Configured the RMAN backup
- Carried out hot backup, cold backup and RMAN backup
- Creation and configuration of Standby Database (Data Guard)
- Loaded the different formats of data into Oracle using SQL Loader.
- Supported data cleansing project.
- Troubleshoot listener.ora, tnsnames.ora and SQL*net issues between corporate & show site databases.
- Supported development teams on design and implement different database objects
- Provided full technical support to various application teams before the databases go to production.
- Restored & recovered some of the show site databases when they got corrupted.
- Perform Backups and Recovery, maintain 24 hours uptime for the database
Environment: OEM Grid Control, RMAN, Sql*Loader, Import & Export, Data pump, Data guard, RMAN, AWR, ADDM, Stats pack, ASM, TOAD, Shell scripting, AIX etc.