Oracle Database Administrator Resume
TX
SUMMARY:
- I have 7 years of experience as Oracle Database Administrator, providing 24/7 support of both development and production Oracle 11g/10g/9i databases on Various Platforms
- Proficient in Database Administration activities such as Upgrades, Patches, TAR support, Cloning, Backup and Recovery, Performance Tuning, capacity planning, script development, and documentation
- Excellent experience in Installation, Setup and configuration of Oracle 10g, 11g, 12c on Linux, Windows and Solaris.
- Poses strong Administrative skills in RHEL.
- Provide DBA support with proactive monitoring, identifying areas that need to be improved in the application and databases using Statspack, AWR, ADDM, and OEM Grid Monitoring.
- Over 6 years of experience working with Oracle Data Guard
- Good experience working with Cluster Server Management (Real Application Cluster) & have successfully completed projects on Oracle RAC - Install, Configure, implement, and support.
- Good experience in performance tuning of production and development databases.
- Strong experience in database backup & recovery procedures using conventional cold, hot & RMAN backups
- Highly proficient in SQL, PL/SQL, bash and korn scripting
- Experience in Installation and configuration of Oracle 11g and 12c on Linux.
- Excellent experience in using OEM, TOAD, Data Migrations using export/import
- Excellent experience in cloning of databases using RMAN duplicate database feature.
- Implemented DATA GUARD (Standby) for high availability/disaster recovery support
- Management of schemas, objects & Partitioning the tables & indexes.
- Proficient in performance tuning using Explain Plan, STATSPACK, SQL TRACE, TKPROF, ADDM
- Good Interpersonal communication skills and Documentation skills.
- Provided On-Call support.
- Good experience in User and security management using Grants, roles, privileges.
- Experience in setting up DR solutions using RMAN, scripts, Data Guard
- Setup Oracle 11g GoldenGate for replication needs.
- Poses strong DBA knowledge on SQL Server 2005 and 2008.
- Poses strong knowledge on RAID levels, NAS and SAN
- Worked extensively with SAN admins for ASM disks and Diskgroups.
- Involved in disaster recovery planning; detailed out the processes and procedures of implementing disaster recovery; implemented database backups and disaster recovery strategies using RMAN.
- Developed and implemented Materialized views for better performance of daily reports.
- Expertise in using Oracle Enterprise Manager (OEM) and Grid control and its components.
TECHNICAL SKILLS:
Programming: SQL, PL/SQL, T-SQL, UNIX Shell Scripting, bash, ksh
Database: Oracle 9i/10g/11g, 12c, Microsoft SQL Server 2005
Operating Systems: Windows Server 2003, 2008, 2012, RHEL, AIX, HP-UX, Sun Solaris, Ksh, Bsh, VMware
Tools: SQL*Plus, PL/SQL, Oracle Enterprise Manager (OEM), RMAN, SQL*Loader, TOAD, EXP, IMP, data pump, export, import, DB Verify, SQL loader, statspack, tkprof, Data Pump, Grid-control, Database control, RMAN, Toad, Exceed, Confio, SQL Developer
Networking: LAN, WAN, TCP/IP, DNS, AD Server
Cluster: Real Application Cluster (RAC), Windows Cluster
PROFESSIONAL EXPERIENCE:
Oracle Database Administrator
Confidential, TX
Responsibilities:
- Installed 11g and 12c Oracle Software Release 2 on their UNIX and Windows platforms.
- Build 2 node RAC cluster on Linux.
- Upgrade databases from 10g to 11g R2 to 12c
- Cloned Databases using various methods.
- Used Oracle GoldenGate for Basic Data Replication.
- Worked on Uni-Direction GoldenGate setup.
- Implemented DATA GUARD (Standby) for high availability/disaster recovery purpose
- Handled Administration, Backup & Recovery using Recovery Manager (RMAN) tool.
- Implemented Oracle 11g RAC within the Organization for various departments
- Migrated existing single instance databases to RAC environment
- Extensively used Oracle 11gR2 new features Data Guard, Replication, automatic SGA tuning, enhanced RMAN with flash recovery area, Oracle data pump, Database Control, AWR, ADDM, SQL Tuning/Access Advisors, Flash Back Database and several others.
- Performance Tuning and monitoring statistics of production databases
- Administered the database and its users through Oracle Enterprise Manager (OEM) Tool.
- Reviewed, developed, tested & documented technical steps.
- Shouldered a project which dealt with documenting the data sources and the architecture of Oracle database.
- Developed UNIX Shell Scripts and modified the existing ones to meet the organizations specific requirements.
- Extensively worked on 11g Grid Control.
- Familiar with 12c Grid Control setup an implementation.
- Documented new procedures and added to SharePoint.
- Provided support to Development team in SQL tuning and database design.
- Worked in on-call rotation and provided off hours support to both production and non-production databases.
- Worked with UNIX, Firewall and storage team for DR migration.
- Installed and configured SQL Server 2000/2005 components
Oracle DBA
Confidential, Ridgefield Park, NJ
Responsibilities:
- Installed Oracle Software 10g Release 2
- Created and designed database for new projects
- Provided 24/7 support for all production databases
- Database Cloning & Advanced Queuing Concepts
- Created shell scripts for automating various database tasks in UNIX platform
- Performance and Tuning of databases
- Creation and maintenance of standby databases
- Creating new users and manage roles and privileges
- Managing Rollback Segments, Redo logs, Control files, and Tablespaces.
- Developed and fine-tuned PL/SQL & UNIX shell scripts that update the data warehouse on their scheduled run
- Generated reports in Oracle Reports 9i by analyzing the database based on the specific business requirements
- Installation and configuration of Oracle Database Software 10g.
- Creation and Configuration of Oracle database.
- Performed the Pre-migration task for RAC & Standalone Database.
- Extensively involved in Real Application Cluster (RAC) nodes 10g database migration
- Migration of database (from 9.2.0.5 to 10.2.0.1)
- Involved the Post-migration task (Unit-testing) for every RAC & Standalone servers migrated to Canada.
- Worked on RAC on RHAS with 4 nodes server side load balancing using Automatic Storage Management
- Performance tuning of SQL queries
- Involved in performance monitoring and tuning of the database by fine tuning the database implementation.
- Designed and Implemented database security using Oracle roles and privileges.
- Written Stored Procedures and Triggers for database maintenance and management using PL/SQL.
- Managed Data Guard between Primary and Standby
- Successfully implemented physical standby database using Oracle Data Guard
- Successfully configured the databases to switchover, failover and fallback scenarios.
- Provided 24x7 production support
- UNIX Shell scripting for backup and monitoring of databases.
- Written scripts to automate repeated tasks
Jr. DBA
Confidential, Ridgefield Park, NJ
Responsibilities:
- Install Databases using scripts
- Ran deployment scripts
- Installed Oracle client
- Installed OEM clients on Windows XP
- Worked on TNS networking issues
- Created users
- Setup backups via RMAN
- Created documents and put on SharePoint.
- Shadow Sr. DBAs to learn new topics in DBA word
- Created Database links
- Used export import to clone users
- Worked on grants, permissions, roles and user security.
- Used TOAD
- Used Putty, Secure CRT and exceed
- Unlock users
- Installed databases using DBCA.
- Good exposure on RAC clusters
- Learn how to manage databases using 11g Grid Control.
- Worked on Memory management
- Worked on Tablespace management.