Senior Oracle Dba Resume
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SUMMARY:
- Over 10 years of IT experience with Database Administration in Oracle in a 24x7 environment
- Database administration experience in Oracle 8i, 9i,10G, 11G and 12c
- Experience with Golden Gate replication
- Expertise in administration, backup and recovery using RMAN, ETL, database loading for Sybase and Oracle using Unix, Perl, SQL, BCP and SQL Loader
- Experience in performance tuning of Oracle databases using OEM, AWR reports and ADDM
- Has finished projects from specification to finished stage including relational schema design, creating - databases, tables, indexes, triggers, procedures, coding of programs for processing/cleansing of data, data loading, extracting, testing and automation
- Extensive working experience in Unix environment
- Technical expertise in Perl, Unix shell scripting, TSQL, SQL Plus, PL/SQL, HTML
- Initiated and finished number of automation projects for database maintenance, database applications and custom applications
- Expertise in migration of Oracle database and shell scripting
- Experience working in Pharmaceutical industry with FDA regulated environment and with GLP and ITIL methodologies
- Extensive experience working in a team environment
TECHNICAL SKILLS SUMMARY:
DATABASES: Oracle, Sybase, PostgreSQL, mySQL, SQL Server
LANGUAGES: Perl, SybPerl, Unix shell scripts, C, SQL, TSQL, PL/SQL, CGI and HTML
OPERATING SYSTEMS: Sun Solaris, AIX, Unix, Irix, Linux, Windows
OTHERS: Data modeling, Systems analysis and project management, Unix tools, OEM Grid Control, IntermediaTEXT, SQL Loader, Toad/SQL developer, Apache web server, Golden Gate and documentation
PROFESSIONAL EXPERIENCE:
Confidential
Senior Oracle DBA
Responsibilities:
- Working in a team of dbas for managing Oracle databases
- Responsible for installing, upgrading, patching, configuring and maintaining Oracle databases ranging from Gigs to 4T sizes
- Installed Oracle 10, 11g and 12c software - created templates and documentation for other team members for their installs
- Created production databases with corresponding dev/test environments while confirming to Oracle licensing requirements
- Followed up with Oracle patches, coordinated with vendors, evaluated, tested, patched the databases, created documentation and checklists for the team
- Setup alerts, monitoring, backups, restores and documentation
- Responsible for backups and restores of databases for development, test and production environments using RMAN, NetBackup and shell scirpts
- Installed and configured rman, rman catalog database for backups
- Created rman configuration, scripts, backup schedule to make use of optimum scheduling window with optimum archivelog backups
- Configured restore parameters, tested, scripted for team members
- Tested various restore channels, methods and documented for future use
- Created report using OEM to access database schedule, status of backup and completion times
- Created monitoring, alerts and solution for excessive backup times going beyond SLAs
- With development team coordinated security between production and development teams - created auditing and security for off-shore development teams
- Experience in restores, duplication and recovery of Oracle databases using RMAN
- Evaluated methods for restores with backup and without backups
- Automated some of the restores for application team reporting and testing
- Responsible for database upgrades
- Upgraded databases from 10 to, Windows to Unix, between various versions of AIX and created templates, documentation, checklist for team members to follow
- Worked with development teams in evaluating upgrades for moving onto the next version of Oracle/patch sets
- Identified issues/work arounds for any patches/bugs
- Configured/setup backups and restores after the upgrades
- Responsible for installing and maintaining replication (Golden Gate) for BI reporting
- Installed, configured, created parameter files for 11G Golden Gate replication for one way replication for BI reporting needs
- Setup monitoring for lag time, rejected records and running of Golden Gate environment
- Setup automated replication for development/test needs
- Researched, configured and tested various customized replication for DWH and BI reporting needs
- Streamlined and automated replication re-instantiations
- Created scripts, reports, web access to replication needs like access to reject records, syncing of data, real time lag time
- Experience working performance tuning, trouble shooting in 10g and 11g and 12c environments
- Supported development in creating profiles, outlines for performance needs
- Worked with development teams to identify required indexes and their storage needs
- Helped dev team to backup/restore their schemas during refreshes
- Helped dev teams in optimizing the queries including tuning, tracing, suggesting hints, partitions, statistics
- Responsible for OEM environment
- Installed OEM 11g grid control for monitoring and control of the environment
- Upgrade 11g to 12c cloud control
- Setup databases for monitoring, alerting, set up rules and schedules
- Trained the team members in using OEM including tuning, AWR reports and routine monitoring, use OEM for dba activities and creating reports
- Created management reports for database health, uptimes, backup schedules, actual backup times and replication real time lag
- Created many OS jobs through OEM in dealing with archivelog backups and replication tools
- Evaluated OEM upgrade to 13c
- Experience working with Oracle support and other external vendors
- Experience in 24x7 support during on call period
- Participated in Disaster Recovery process
- Responsible for automation
- Automated alerting, backups, restores, replication, refreshes
Confidential, Mattawan, MI
Oracle DBA
Responsibilities:
- Manage/administer 8i,9i and 10G databases in Unix and Windows environments
- Responsible for installing, configuring 9i,10G databases on Sun Solaris using ASM and RAC
- Administering OS resources for number of development and production databases
- Worked in a dba team to manage the databases on 24x7 basis
- Setup GRID control to manage databases including customized maintenance jobs
- Created customized reports in GRID control for management reports and requirements
- Configured GRID control to monitor and alert for all critical and non-critical issues
- Set up auditing and application and data security
- Set up number of development databases for development, and testing including capacity planning, resource planning, creating databases, configuration, backups, restores and checkin/checkout procedures
- Carried out upgrades and patch maintenance
- Carried out Service Request (SR) activities with Oracle Support
- Provide backup dba support for SQL Server databases
- Worked in conformance with FDA regulation including GLP and ITIL standards and maintaining documentation conforming to 21 CFR part 11 standards for installation, configuration and change management
- Migration activities
- Carried out Windows to UNIX migration of Oracle databases
- Carried out migration from 9i to 10G and application migrations
- Migration to ASM disks
- Formulated steps/plans to refresh/reloading various development databases for development,, testing and validation activities including imp/exp, datapump and flashback utility
- Evaluate and document migration to 11G
- Backup and recovery
- Configured databases for regular backups using Galaxy CommVault system
- Created reports for daily backups
- Responsible for documenting restore procedures
- Expertise using RMAN for backup/recovery
- Automated logical backups of production databases using export and datapump
- Disaster recovery and high availability
- Member of a team to implement RAC and Data Guard to ensure high availability
- Member of a team to provide 24x7 support for database issues and availability
- Tested and documented cloning steps for easy duplicating activities
- Participated in quarterly DR test activities of production databases including DR, functional testing and documentation
- Automation
- Automated database activities including alerts, backups, migration, reporting and maintenance
- Authored shell scripts, PL/SQL scripts for various activities and setup cron jobs
- Setup Oracle jobs in GRID control and in databases for maintenance and performance
Confidential, Dearborn, MI
Oracle DBA
Responsibilities:
- Performed Oracle upgrade from 8i to 9i
- Participated in discussions with client for upgrade options, project planning, problem resolutions and capacity planning
- Performance tuning after migration including statspack and init parameters
- Created a repository for all the statspack reports from various databases around the globe for reporting and corrective actions
- Participated in trouble shooting and other database activities including cloning
- Provided on-call support with application tuning issues for the upgraded database
Confidential
DBA/Database developer
Responsibilities:
- Performed administration of Oracle and Sybase databases in 24x7 setup
- Installation and configuration of Sybase on Sun Solaris, AIX, Linux and Windows
- Administering physical resources including new devices, segments and log disks
- Assisted in user administration for database access
- Administration of resource allocation
- Loading database with dumps and with BCP
- Installed and configured a test server for testing and automated dbcc checks
- Participated in database upgrade and patch administration
- Regular DBCC check of the database
- Maintained secondary Oracle databases
- Participated in schema design and normalization
- Created databases and database objects including procedures and triggers
- Database loading with SQL loader and shell scripts
- Setup automatic updating of Oracle Databases
- Administered and maintained Sybase Replication
- Administered replication of Sybase data to nodes world wide
- Responsible for daily replication of data
- Responsible for providing extracted datasets for nodes for loading
- Administered and maintained 24x7 website for the database
- Installed and configured Apache web server
- Maintain user stats and usage
- Monitor middle layer performance
- Performed ETL developer work for Sybase and Oracle databases
- Completed data modeling, normalization/de-normalization, sub-project planning, scripting for the project
- Extracting data from Sybase and Oracle databases using bcp, sql queries, sybPerl and shell scripts
- Processing/cleansing extracted data using perl, shell scripts, unix tools into flat files
- Transfer flat files through tar, zip, ftp, scp and rcp to different nodes
- Loaded flat files into Oracle databases using shell scripts, SQL and SQL loader
- Web presentation of the loaded data through Oracle’s WebDB, Apache, PL/SQL and intermediaText