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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

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