Primary Dba / Lead Dba Resume
DallaS
SUMMARY:
- Over 9+ years of experience in Oracle Database, Oracle E - Business Suite, Oracle Fusion Middleware, Oracle Identity Management, Oracle WebLogic, Oracle Applications Server, Oracle Enterprise Manager Grid Control, OBIEE, Oracle Discoverer, SOA, ODI, Oracle Goldengate and Shell scripting.
- Expert in Administration of Oracle Applications E-Business Suite (11i, R12.1.x and R12.2.x).
- Expert in installing and Administrating Oracle RAC and Grid Infrastructure 10g/11g/12c database.
- Expert in Database (RAC/non-RAC) upgrade from 10g to 11g and 11g to 12c.
- Strong experience in Dataguard setup and administration along with Data guard Broker.
- Rich Experience in Backup and recovery using Cold, Hot and RMAN.
- Automated lot of DBA day to day operations using Unix Shell Scripts.
- Proactive monitoring and performance tuning of production databases using Oracle Enterprise Manager (OEM) and scripts.
- Monitor and optimize the database performance.
- Having good expertise on Oracle ASM with RAC
- Expertise on Statspack, TK Prof, AWR & ADDM reports for analysis/troubleshooting of DB/SQL performance issues.
- Implemented RAC with ASM and Converted Non RAC to RAC.
- Experience in cross Platform Migration project from Solaris to IBM AIX & AIX to Linux.
- Configured Active Dataguard for reporting purpose.
- Implemented the Audit Vault & Database Vault to track all DBA activities and to report the changes in GUI format.
- Performed DR Switchover/Switchback for disaster recovery purpose.
- Expert in Design, Install, upgrade, administer, monitor, patch, and clone Oracle eBusiness 11i/R12.1.x/R12.2.x and related Oracle 9i/10g/11g/12c databases in RAC and non-RAC environments.
- Experience in EBS Application upgrade from 11i (11.5.10.2) to R12 (12.1.3), R12.1.3 to R12.2.2 and 11.5.10.2 to R12.2.x.
- Installed and configured Oracle Goldengate replication between various versions of Oracle databases. Had set up alerts on Goldengate for monitoring the health, sync and performance related to cpu/memory of Goldengate processes.
- Implemented DMZ and F5 Load balancer, with iSupplier Portal.
- Extensive Experience on Oracle minimum Base Line patching activity and upgraded Database from 9i to 10g, upgraded 10 production instances to get extended support from oracle.
- Worked on Database Character Set Conversion and installed 15 NLS languages in Oracle Applications.
- Expertise on PCP (Parallel Concurrent Processing) configuration.
- Extensive experience in cloning and Adding application nodes with shared appl-top configurations.
- Patching (One-off, Mini Pack, Family Pack and CPU/PSU).
- Extensive experience in supporting and managing Production, Development and test instances and Oracle Applications environments of varied complexity.
- Did fresh installations of 11.5.10, 11.5.10 CU2, R12.1.x and R12.2.x Oracle Applications.
- Upgraded Discover from 10g Rel 2 (10.1.2) to 11g Rel 1 (11.0.0.4) and Deploying in Web logic server.
- Configured Single Sign On for EBS 12.2 using Oracle Access Manager (OAM) and OID.
- Automated Clone of EBS instance of R12.1.x & R12.2.x daily.
- Automated Clone of DB from standby database and/or from an RMAN backup.
- Implemented SSL in EBS 12.2.
- Install/Upgrade and Administering Oracle Enterprise Manager (OEM). Prepared custom OEM reports.
- Cross Platform Migration of EBS R12.1.3 database from AIX to Linux using XTTS approach.
- Experience in Installation and Administration of Weblogic Server.
- Rich experience on OBIEE Administration, Upgrades and Cloning.
- Good Knowledge on Oracle Exadata & Exalogic.
- Expertise on working with Stat Migration Tool for performing code migrations as per Application Development Team’s requests.
- Hands on experience on working with Sitescope, Nagios & Zabbix for configuring alerts for monitoring.
- Adequate knowledge on MySQL: setting up new instances, cloning and basic administration.
- Having Good experience in OS Admin Activities.
- Very Good interpersonal skills with demonstration abilities to reach customer satisfaction.
PROFESSIONAL EXPERIENCE:
Confidential, Dallas
Primary DBA / Lead DBA
Environment: Oracle Applications 11i/R12/12.2.x - Linux/AIX/Unix
Responsibilities:
- Had been first point of contact for DBA escalations on all PROD issues, connect to the system and resolve issues on priority and/or delegate team members with directions to deliver on the priorities.
- Leading the meetings with various teams from Technical/Functional/Development teams to figure out the associated issues and finding out solutions from DBA’s perspective and suggesting any further actions from their scope.
- Upgraded EBS (Financial) database from 11.2.0.4 to 12.1.0.2 using export and import method with size of 1.5 TB.
- Upgraded OBIEE/Warehousing database from 11.2.0.3 to 12.1.0.2.
- Applied latest RPC, CPU & PSU patches on every quarter.
- Working on day to day production support for Core databases, E-Business suite, OBIEE, SOA, ODI, SSO and Goldengate environments.
- Configured Active data-guard database for all production databases.
- Upgraded EBS R12.1.3 to EBS 12.2.4 and then to 12.2.5.
- Administration including patching using adop and other maintenance tasks of EBS 12.2.x.
- Configured backups using shell scripts through RMAN methodologies.
- Cloning of RAC/non-RAC instances to Non-Prod Instances.
- Implemented RAC with ASM and Converted Non RAC to RAC. Implement load balancing, failover among the RAC nodes.
- Install new Recovery catalog with Oracle 11g and Configure RMAN backup through 12c Oracle Enterprise Manager, setup the retention policy and backup schedule for the database.
- Configure automatic alert and notification with OEM.
- Cloning OEM to different server and upgraded from OEM 12c upgrade to OEM 13c and implementing AMP packs
- Prepared custom OEM reports.
- Automated the cloning/refresh process of databases from PROD standby databases as source.
- Hands on experience on troubleshooting adop(Latest patching tool from R12.2 EBS) issues and various other R12.2 issues such as Oracle Workflow, concurrent processing, user issues etc.
- Performing code deployments, java deployments on Oracle Application Server and Weblogic servers.
- Migrated the EBS R12.1.3 database from AIX to Exadata using XTTS approach.
- JRE Upgrade from 1.6 to 1.8.
- Applied RPC Patches yearly.
- Cloning of Warehousing and OBIEE environment.
- Attended the meetings with Client management, draw out the requirements, update the client with status on deliverables and recommend any new activities for the improvements of the project.
- Planning and coordinating the project needs with Offshore teams
- Performed EBS Web-tier load balancing, enabling SSL & integrating with SSO
- Configured Single Sign On for EBS 12.2 using Oracle Access Manager (OAM) and OID.
- Implemented Parallel Concurrent Processing, concurrent process load balancing, implemented multiple (Output Post Processer) OPP managers for better load balancing of costly concurrent programs consuming the server load.
- Registering and/or deregistering of EBS with SSO during cloning.
- Convert Single node applications to multi-node of shared appl-top and dedicated appl-top. Design, test, implement, and maintain high availability solutions for databases and applications
- Upgraded OBIEE from 11.1.1.6.5 to 11.1.1.7.1. Has documented procedure while doing POC.
- Installed and configured Weblogic, SOA 12c Suite, ODI 12c for single node and multi-node configurations.
- Automated purging of historical data from cube schemas of SOA.
- Upgraded SOA Suite from 12.1.3 to 12.2.1
- Working with Oracle Support while applying Exadata patches, fine tuning various parameters at Database/Server level to make best use of Exadata features
- Suppressed Java pop-ups while launching EBS forms in order to avoid extra burden for end-users to respond to java pop-ups
- Finding out any bugs, performing the root cause analysis, working with Oracle Support on the need basis and providing permanent solutions to the issues.
- Installed and configured Oracle Goldengate replication between various versions of Oracle databases. Had set up alerts on Goldengate for monitoring the health, sync and performance related to cpu/memory of Goldengate processes.
- Building DR databases from RAC to single node, cloning the databases from standby databases, setting up alerts on DR sync monitoring and setting up Rsync between EBS apps systems
- Reorganization of tablespaces to reclaim the fragmentation and to improve the performance
Confidential
Backup DBA for Lead DBA
Responsibilities:
- Backup Lead DBA to share the load of the DBA activities, plan and coordinate the maintenance tasks with offshore team
- Involved in upgrading the EBS from R12.1.3 to R12.2.5
- Involved in upgrading the database from 11.2.0.3 to 12.1.0.2
- Setting up the DR database and implementing clones from DR to avoid any performance issues in terms of network, cpu and memory.
- Implemented security rules in order to open necessary ports between PROD and DR database servers.
- Implemented rsync between PROD application server and DR application server.
Confidential
Backup DBA for Lead DBA
Responsibilities:
- Involved in platform migration of database from Solaris to Linux
- Involved in upgrading of DB from 10g to 11.2.0.4
- Involved in upgrading of EBS from R12.1.3 to R12.2.4
- Upgraded SOA environment from 10g to 11g.
- Automated jobs for monitoring, cloning of DB and EBS.
- Primarily responsible to analyze ETL loads and identify performance bottlenecks at DB and OS level. Tune databases (EBS, OBIEE and SOA) for optimal utilization of hardware.
- Assist developers in tracing dashboard reports and identifying expensive SQL’s.
- Asses and submit hardware recommendations.
- Verify and create necessary indexes as per Oracle recommendations/best practices.
Confidential
Associate Lead DBA
Responsibilities:
- Installed 11.2.0.3 database for Agile environment.
- Support the Application teams on performance issues and end-users requests
- Applied latest RPC, CPU & PSU patches.
Confidential
Senior Oracle Apps DBA, Technical Lead
Environment: Oracle Applications 11i/R12 - Linux/AIX/Unix/Windows
Responsibilities:
- Worked in Day to day production support in a 24*7 team.
- Played as a Technical Lead role for a team of 18 members. Had been first point of contact for recommending/resolving any issues across various databases and applications.
- Documenting various best practices, maintaining sharepoint for DBA technical references and guiding DBA team members to follow the process while performing the associated DBA maintenance tasks.
- Worked on clone of Oracle application 11i/R12 with various backup methods.
- Installing and upgradation of Oracle Application Server and Weblogic server.
- Monitor databases and application through OEM Grid Control.
- Configured DMZ amongst the 2-external nodes.
- Configured F5 Load balancer in the External nodes and the Internal nodes.
- Configured PCP amongst the 2-internal nodes.
- Performed Single to Multi-Node cloning and Multi-Single node.
- Added Nodes to Shared-APPLTOP instances.
- Upgraded multiple databases from 10g to 11g across various customers
- Implemented RMAN backup strategy for cloning and extensively used it for Cloning Applications.
- Performed Code migrations and Oracle Forms/Reports deployments on Oracle Application Server for various client environments
- Migrated the new Custom Code between DEV-CRP-UAT-PRXY-PROD
- SYSADMIN activities were performed during the day-to-day Support.
- Worked on Database Character Set Conversion and installed 15 NLS languages in oracle Applications.
- Migrated the Oracle EBS 11i from Solaris to IBM using the Transportable database and RMAN.
- Two Databases were migrated of size 2TB, 60G from Solaris to IBM AIX.
- Performed the SOP first on Test database and followed the same plan for both prxy and prod.
- Worked closely with OS team to get apply the required setup for migration of the Oracle EBS.
- Troubleshoot the issues after migration.
- Configured WorkFlow Mailer and resolved the Workflow Notification Mailer issues.
Confidential
Oracle Apps DBA
Environment: Oracle Database 11g - Linux/AIX
Responsibilities:
- Performed migration of databases from AIX to Linux environments.
- Performed proactive performance tuning of the databases, setting up the database parameters to achieve the required functionalities
- Configuring and scheduling rman backups, hot and cold backups as per the project requirements.
- Upgraded databases from 10g to 11g
- Provided support for the application/techno-functional teams on their various requests such as code migrations, sysadmin activities, user management tasks etc.
- Adding space to the tablespaces, generating data growth reports and reporting the growth trend to the leads.
- Analysis and applying of CPU/PSU patches, one-off patches for various bugs
- Troubleshooting the issues by collecting the required diagnostics through various tools such as AWR, ADDM and tkprof.
Confidential
Oracle Apps DBA
Environment: Oracle Applications 11i
Responsibilities:
- Configured the standby database for Financial database from a two-node RAC database to a single node standby database
- Providing DBA support for multiple instances of Oracle Applications 11i & Database 11g with RAC and carrying out the associated maintenance tasks.
- Investigated on various long pending issues of databases, EBS & SSO environments, and recommended feasible solutions for better performance
- Attended various meetings with Application/Techno-Functional/Development teams, listed out various issues related to different domains and took them forward towards feasible solutions.
- Fixed various performance issues related to database and EBS
- Applied various bug fix patches as recommended by Oracle Support as a conclusion from the related service requests (SR/TAR).
- Automated various day to day jobs to report the health of the databases and applications
- Built shell scripts for monitoring the performance of the databases and known issue conditions.
- Support various third party applications integrated to the Oracle databases along with the EBS.
- Support for the code migrations from Development teams and troubleshoot the issues after migration.
Confidential
Oracle Apps DBA
Environment: Oracle Applications 11i/R12 - Linux/AIX/Unix/Windows
Responsibilities:
- Upgraded the database from 9i to 10g of in both EBS and Core database.
- Applied the Oracle Minimum Base line patches.
- Performed the discover upgrade (10g to 11g Rel1), developer 6i,jre upgrade.
- Worked in Day to day production support.
- Upgraded applications from 11i (11.5.10.2) to R12 (12.1.3) for various client environments.
- Upgraded Database base from 9i to 10g and then further to 11g.
- Worked on Character set conversion in DB level and installed NLS languages in Applications.
- Worked on Noetix Installation (6.0.1), Upgrade(5.8.4 to 5.8.7 and 6.0.1) and Implemented the Security with Noetix Admin.
- Worked on clone of Oracle application 11i/R12 with single tier and multi-node configurations.
- Maintaining Applications Database Objects like Validating, recreating grants and synonyms to Apps schema, compiling Forms, Compile AOL tables using adadmin utility.
- Registering Concurrent Programs with Concurrent Managers and Creation of Additional Concurrent Managers and Maintenance.
- Installing and upgrading Oracle HTTP server and Oracle Portal
- Identifying the patches related to bugs in Oracle Applications and applying these patches using AD Utilities and Database OPatch.
- Installing and configuring of SSO, OC4J applications across various client environments.
- Performing code deployments, java deployments on Oracle Application Server and Weblogic servers.
- Cloning/DB Refresh & Backups
- Monitoring & Troubleshooting
- Operating System Sysadmin activities
- Core DBA Activities - For Legacy Application
- Worked on Character set conversion in DB level and installed NLS languages in Applications.
- Upgraded the core forms and reports from 10g rel1 to 11g rel1 and deployed in weblogic server.
- Troubleshoot the upgrade issues and base line patching issues.
- Worked on Oracle Minimum Base Line patching activity and upgraded Database from 9i to 10g to get extended support from oracle.
- Worked on ASCP(Advanced Supply Chain Planning) setup
- Implemented the Audit Vault & Database Vault to tracking all DBA tasks.
- Monitor databases and application through various tools and applications such as OEM Grid Control, Sitescope, Nagios and Shell scripts
Confidential
Oracle Apps DBA
Environment: Oracle Applications 11i
Responsibilities:
- Maintaining Applications Database Objects like Validating, recreating grants and synonyms to Apps schema, compiling Forms, Compile AOL tables using adadmin utility.
- Registering Concurrent Programs with Concurrent Managers and Creation of Additional Concurrent Managers and Maintenance.
- Identifying the patches related to bugs in Oracle Applications and applying these patches using AD Utilities and Database OPatch.
- Cloning/DB Refresh & Backups
- Monitoring & Troubleshooting
- Operating System Sysadmin activities
- Core DBA Activities - For Legacy Application
- Upgradation of Oracle DB from 8.1.7.0 to 10.2.0.4.
- Working with various Backups and Recovery Methods.