System Engineer (oracle Dba) Resume
SUMMARY
- 12 years of IT experience in Oracle Database Administration.
- Worked on various OS platforms like HP - UX, Linux, Sun Solaris and Windows.
- Expertise in Installation, Configuration of Oracle 9i,10g & 11g,12c databases.
- Experience in Configuration of 10g, 11g/12c Data guard and performed Disaster recovery activities.
- Standby Database Rebuild using RMAN (Incremental backup) and complete rebuild using active database.
- Expertise in Cloning of oracle software and database refresh using RMAN Duplicate method.
- Good Experience wif database Backup and Recovery procedures using RMAN.
- Upgraded many oracle databases from oracle 11.2.0.3 to 11.2.0.4 and from 11.2.0.4 to 12.1.0.2,12.1.0.2 to 12.2.0.1.
- Migrated 100+ databases from one data center to other data center using RMAN restore method.
- Applied several Oracle provided SBP, CPU, PSU and one-off Patches.
- Worked as an operational data store (ODS) DBA and successfully upgraded ODS applications from version 8.5 to 9.0.
- Expertise in installation of oracle data integrator (ODI) 12.2.1.3.0 , 12.2.1.2.6 and migrated OWB mappings in to ODI mappings during ODS 9.0 upgrade
- Configured RMAN backups for teh databases and performed restore (complete, incomplete recovery) based on teh business requirements.
- Performed database migration from Linux to HP-UX using Data Pump across different servers.
- Experience in UNIX shell scripting and prepared many shell scripts like database backup status, stats collection and file system threshold scripts etc...
- Developed Data scrambling script using oracle translate function.
- Installing & configuring Oracle cluster ware & Database Software (handling common issues that arise during integration of teh whole - bugs, network issues, configuration files issues, OCR issue, deinstallation & cleanup of cluster ware).
- Handling Backup and Recovery issues related (loss of OCR, Voting Disk and Oracle cluster ware) & also issues wif corruption of individual disk data blocks, loss of OS configuration files.
- Installed 2 node RAC setup on 10g, 11g.
- Add or Remove Node from RAC.
- Having noledge in teh Oracle Gloden Gate technology
- Experience in manage teh Database user’s and Oracle Security Features.
- Experience in TOAD and space manager wif Live Reorg tool.
- Good exposure towards handling very large databases more TEMPthan 5 TB.
- Experience in installing and managing Oracle Enterprise Manager Grid Control.
- Extensively used Oracle utilities like Export / Import, Data pump.
- Monitoring and optimizing teh Database Performances through AWR, ADDM.
- Good Experience in Space management using SAP tool BRTOOLS.
- Experience in supporting and managing SQL server databases.
- Capacity planning for all teh Oracle databases and co-ordinate across several teams for maintenance activities.
- Good Experience of Incident Change and Problem management processes in Service Now, ITSM and Maximo.
- Strong interpersonal skills, ability to interact wif people at all levels.
- Supporting 24/7 production environment.
- Experience in leading and managing teams. Handled multiple roles - Onsite Team Lead, Offshore team lead.
- Executed software projects for Electronics, Pharmaceutical and Power sector industry.
- Good communication skills, interpersonal skills, self-motivated, quick learner, team player.
TECHNICAL SKILLS
Languages: SQL, PL/SQL, Unix Shell scripting.
Operating systems: HP-UX, LINUX, Sun Solaris, Windows 2000/2003/2007 Server
Tools: RMAN, ASM, OEM, EXP, IMP, ODI, Data Pump (Expdp, Impdp), Sql loaderQuest tools like Toad, Brtools, SQL server management studioSpace manager wif live reorg, Citrix, Autosys, IAadmin.
Database: Oracle 9i, 10g, 11g, 12c, Sql server 2008,2012,2017 DB2.
PROFESSIONAL EXPERIENCE
Confidential
System Engineer (Oracle DBA)
Responsibilities:
- Verify all instances are up & working.
- Installation of Oracle Server Software and related products.
- Apply PSU patches for all USC oracle databases.
- Upgrade databases from 11.2.0.4 to 12.1.0.2 and 12.1.0.2 to 12.2.0.1
- Database refresh from teh production environment to quality, development, test environment using commvault.
- Working on database, security related tickets which are raised by user
- Upgrade ODS applications from version 8.5 to 9.0. installation of oracle data integrator (ODI) 12.2.1.3.0 , 12.2.1.2.6 and migrate OWB mappings in to ODI mappings during ODS 9.0 upgrade
- Database performance optimization by adding indexes and fine tuning.
- Database recovery in case of crash using RMAN.
- Recover single table from rman backup in oracle 12c.
- Restore and clone SQL server databases as per user requirements.
- Configuring Oracle Enterprise Manager (OEM) alerts for all targets and monitor teh databases.
- Migration of databases from one Linux server to other using rman restore method.
- Configure oracle streams for ODS, Banner databases and monitor for streams apply errors.
- Deploy Banner 9 upgrades, patches, mod center updates using ESM.
- Applying banner8 Application upgrades, patches, code promotions.
- Applying ODS code promotions.
- Configure Database backup strategy.
- Monitoring and checking teh Database backup and recovery process.
- Setting up standby and test Database if required.
- Implementing Database security.
- Enabling auditing features wherever required.
- Working on Table space management.
Environment: Oracle 11g release 2,12c release 1,2, LINUX-X86-64, Windows server-2007, Sql server 2005,2008,2012.
Confidential
Onsite Team lead (Oracle DBA)
Responsibilities:
- Working on database related tickets which are raised by user.
- Handling Database activities for almost 125+ instances including SAP and non-SAP databases.
- Database refresh from teh production environment to test environment using RMAN duplicate method.
- Database monitoring and verifying completion of Scheduled jobs.
- Apply SBP patch for all most 90+ SAP oracle Databases and PSU patch for 30+ non SAP oracle databases.
- Troubleshooting database related issues and providing support to development and production support teams.
- Configuring and managing teh data guard for critical production databases.
- Upgrade databases from 11.2.0.3 to 11.2.0.4 and 11.2.0.4 to 12.1.0.2.
- Migration of databases from one datacenter to another datacenter using RMAN restore method.
- Perform SQL query tuning using index creation.
- Repair corrupt databases using table reorg, rebuild, logical exports and imports and block recover from RMAN.
- Restore databases as per user requirement using complete and incomplete recovery.
- Prepare shell scripts to automate various kinds of reports like database backup status, stats collection and file system threshold scripts etc...
- Install Oracle Enterprise Manager (OEM) for database maintenance activities.
- Data scrambling activities for databases which are refreshed from production.
- Configure and build SQL server standby database and monitor log shipping on daily basis.
- Implements security parameters for all of teh Oracle Databases.
- Participating in teh DR exercise for all teh production databases.
- Database Maintenance using BRTOOLS.
- Provide database support for TAS and DB moto project and prepare scripts to automate archive log retention.
- Participate in database Security Auditing using (SOX).
- Capacity Planning and performing teh table reorg for teh 2 TB tables in teh critical production databases.
- Configure Flashback.
- Performance tuning for optimized results using tools like Explain plan, SQL*Trace, TKPROF, AWR, ADDM reports.
- Define database policies as per SAP standard.
- Decommission of teh Oracle databases based on teh business requirement.
Environment: Oracle 11g release 2,12c, HP-UNIX, Linux, Windows server-2007, Sql server 2008.
Confidential
Responsibilities:
- Checking alert logs on daily basis and resolving problems.
- Creating users and granting/revoking privileges to users.
- Configure RMAN backups and create stored scripts for teh databases and performed restore based on teh business requirements.
- Helping teh Development team by performing necessary bounce on non-prod instances.
- Prepare shell scripts to retain archive logs for 48 hrs as part of project work.
- Cloning of oracle software and database.
- Implemented 10.2.0.4 Physical Standby Datagaurd setup.
- Scheduled critical tasks using Cron jobs.
- Installation and maintenance of RAC databases wif Automatic storage management.
- Installed 2 node RAC setup on 11G (11.2.0.4) in Linux.
- Handling Backup and Recovery issues related (loss of OCR, Voting Disk and Oracle cluster ware.
- Configuring & Implementation of Automatic Storage Management (ASM).
- Monitoring and performing daily incremental backups, weekly backups using RMAN.
- Involved in PeopleSoft application oracle database year end activities like stats collection.
- Reorg tables using space manager wif Live Reorg tool.
- Supported Next linx database monthly activities using expdp and impdp.
- Taking care of all other daily routine DBA tasks like creating users, roles, table spaces alerts.
- Troubleshooting server configuration files such as tnsnames.ora and Listener.ora.
- Detect and resolve database locks.
- Planning and Maintaining Database Backups.
- Monitor teh growth of table spaces and file system regular basis.
- Involved in Application tuning Using EXPLAIN PLAN & TKPROF utility.
- Supporting 24/7 production environment.
Environment: Oracle 10g, 11g release 2, RAC, LINUX, Sun Solaris, Windows server-2003
Oracle DBA
Confidential
Responsibilities:
- Special Technical support given to DVVNL Agra, on Month End Accounting in addition to teh Database Administrator (DBA) activities.
- Providing monthly Data and database related reports to client and Redesign of various reports.
- Installation of Oracle 10g and 9i software on LINUX and WINDOWS environment.
- Performing Installation of oracle 10g and database creation using Database Configuration Assistant.
- Support and maintain Oracle Data Base including development and testing instances.
- Creating teh database, users, data objects and granting privileges.
- Table space Management and Rollback and UNDO Table Space Management.
- Database Sizing by adding or dropping table spaces.
- Maintaining data integrity also managing profiles, resources and password security.
- Password change quarterly for sys and system users as part of database security.
- Extensively Performing Data base backups and recovery using RMAN, Hot/cold backups,
- Restore databases using RMAN backup.
- Performance tuning for optimized results using tools like Explain plan, TKPROF, AWR reports, ASH reports
- Create scripts to load teh data in to tables using SQL Loader
- Proficient in performing Oracle 10g Data Pump Import and export utility.
Environment: Oracle 10g release 2, Oracle 9i, LINUX, Windows server-2003.Team Size: 4