Sr. Oracle Dba Consultant Resume
Greenville, SC
SUMMARY:
- Around 10 Years of experience in the IT industry as an Oracle Database and Applications DBA.
- Excellent hands on experience as Implementation and Production Support DBA in administering large databases possess strong database, operating system and networking concepts.
- Specialized in Oracle Apps Database Administration (R12.13, 11.5.10, 11.5.9), Oracle Databases (Versions 11g, 10g, 9i) and Fusion Middleware (10g AS).
- Worked on high availability environment (11i/R12 Apps +10g/11g/12cDB).
- Expertise in troubleshooting all tiers (Apache, Forms, Concurrent, Admin, Jinitiator and database).
- Expertise in Support activities, Installation, Cloning, Patching, and Refreshing Only Databases on Oracle Applications.
- Expertise User management and space management of database and applications.
- Hard working, well in analytical and logical problem solving with good communication skills. Worked efficiently as an individual as well as in team environment.
TECHNICAL SKILLS:
RDBMS: Oracle 8i/9i/10g/11g, 12c
Applications: Oracle EBS 11i and R12
UNIX, Solaris, Linux, AIX, HP: UX 10.2/11.10/11.20 , LINUX, Windows NT/95/98/2000/XP
Languages: PL/SQL, Shell Programming, C, C++, Batch Programming
Utilities: SQL*Plus, SQL* Loader, EXPDP/IMPDP, RMAN, Export /Import, TKPROF, STATSPACK, OPATCH
Tools: SQL Developer, Oracle Enterprise Manager, Toad, Putty, Oracle Database Upgrade Assistant. ADDM, OEM12c, Winscp
PROFESSIONAL EXPERIENCE:
Confidential, Greenville, SC
Sr. Oracle DBA Consultant
Responsibilities:
- Administrating Database in various platforms like WINDOWS, SUN SOLARIS 8/9, HP UNIX and Red Hat Enterprise Linux.
- Excellent in troubleshooting Oracle Network issues.
- Quick learner with ability to develop proficiency and adapt to new technologies and methods in a short period of time.
- Installation, Configuration and Automation of Oracle DBA Monitoring Tools.
- Ability to support and work within standard software development life cycle (SDLC) practices.
- Applying Patches for Database& Upgrading Database Versions.
- Implemented Graceful Switchover and Switchback between Production and Standby Databases.
- Ability to handle Projects and worked efficiently with other team members, Project managers, System Administrators, functional teams & Application Developers.
- Refreshing Database and applications as per the requirements of the clients (CLONING)
- Used Export/Import to do table level and full database defragmentation.
- Provided on - call production database support.
- Creating Indexes and Monitoring Performance. Data loading using SQL Loader (from Text files to Database).
- Perform Daily Logical backups using RMAN.
- Upgraded Databases from 11g to 12C and applied patches as per requirement.
- Worked extensively on migrations on multiple database versions. i.e., 9i, 10g, 11g and 12C.
- Oracle Enterprise 11g R2 installation and configuration in Linux.
- Perform RMAN operations (Incremental Backups).
- Helped developers to install Oracle Client, troubleshoot and establish the connection to Oracle database through ODBC, JDBC.
- Performed SQL Tuning by using explain plan and TKPROOF.
- Daily Monitoring Database and Tablespaces Growth and Monitoring Space Availability Confidential operating System.
- Evaluated and ensured the efficiency of application database backup and recovery procedures.
- Ensure that the database systems are well documented, and that documentation is maintained in a timely fashion Develop and publish database administration best practices.
- Good experience in applying Critical Patch Update (CPU Patches) on Databases, Application Servers and Middle Tiers.
- Complete range of Oracle DBA activities including day-to-day production database monitoring includes alert log, trace file, and achieve files, Troubleshooting production issues and Performance Tuning issues.
- Ability to perform database code migration, change management and data management through the various stages of the development life cycle.
- Ability to independently investigate, analyze and troubleshoot problems, to determine and provide accurate resolution and root cause.
- Good experience in 24/7 Production Environment Support.
- Excellent communication skill & Interpersonal skill.
Environment: Oracle Applications (11i and R12) e-Business Suite, Oracle8, 9i, 10g, 11g, 12c, SOA, AWR, ASH, ADDM, SQL, RMAN, VLDB, Udeploy, Git, ITIL, and UNIX.
Confidential, Mesa, AZ
Oracle Database Administrator
Responsibilities:
- Oracle DBA duties involving development and production support such as installations, configurations, backup/restore & recovery, database monitoring & operating system configurations, database performance tuning, assisting in the logical/physical database design, applications profiling, tuning queries and providing support to developers.
- Performing Hot/Cold backups of the database through RMAN or User Managed method.
- Review alert logs and dump files to check for any problems related to the database.
- Perform database cloning/exp/imp to setup identical databases in the production and development environments.
- Oracle Applications server including OID. Implementation of Oracle Applications Server for use with Portal, Custom Forms and Reports
- Create and maintain users, roles and privileges.
- Involved in discussions with the management regarding the advantages/disadvantages and upgrade plans.
- Used Oracle 10g AWR & ADDM to monitor database activities and performance tuning.
- Involved in Database sizing, Capacity Planning.
- Perform Space Management & Troubleshooting the database issues.
- Grant database users requested privilege.
- Generated ASH, AWR, ADDM reports from Grid Control and command line.
- Ran the Oracle STATSPACK on the Oracle Instances to find out the System Performance Statistics during the peak load times.
- Compared and contrasted multiple snapshots using AWR.
- Installing of quarterly security patches on all non-production and production servers.
- Cloning/replicating/refreshing production databases to test/ development environments using RMAN scripts
- Migrated databases to AWS
- Build new servers on AWS
- Worked on project to migrate databases to AWS instance
- Set up oracle instances on AWS cloud
- Upgrade the Oracle databases from 10g to 11g using DBUA and manual process
- Worked with Different teams to completed Build tasks
- Created documents to speed up future builds.
- Planned database migration and upgrade from 11g to 12c
- Recovered and clone database using RMAN.
- Responsible for resolving several complex recovery scenarios (including RMAN) with critical production database.
- Proactive performance monitoring, and capacity planning for future database and server growth.
- Performed Cross platform migration using transportable tablespaces and RMAN.
- Performed Import and Export using Oracle Data pump utilities
- Administered and maintained database security policies and procedures. Experience with administration of high-performance and large-scale multi-terabytes databases.
- Handled all standard database administrative tasks, such as: proactive performance tuning and monitoring, troubleshooting, backup and recovery, installations and configurations on an as needed basis.
- Used external tables and SQL*Loader to import data from flat files.
- Performed version upgrades and patch installs.
- Designed and implemented database backup/restore methodologies, responsible for Troubleshooting performance and networking issues. Basic OS system administration.
- Strict adherence to policies and procedures - specifically regarding change management.
- Perform database administration tasks as part of a scheduled change management task.
- Proficient in communicating directly with internal resources daily.
- Able to work effectively with multiple teams Confidential once.
- Able to thrive in a fast-paced, time compressed and dynamic environment. Solid skills and discipline for Change Management practices processes
- Solid discipline in providing end-users timely updates on their problems. Installing server software.
- Monitored database space requirements and adjusted for future needs.
Environment: Oracle Applications (11i and R12) e-Business Suite, Oracle8, 9i, 10g, 11g, 12c, SOA, AWR, ASH, ADDM, SQL, RMAN, VLDB, Udeploy, Git, ITIL, and UNIX.
Confidential
Oracle Apps DBA
Responsibilities:
- Installing & Upgrading the 11i/R12 Applications. Upgrading 11i to R12 (12.1.1 and 12.1.3) with 10g and 11g Databases
- Administering and maintaining Production Apps R12/11i instances, 24X7 Production Database Support and maintenance.
- Maintaining all the changes made and list of patches applied in the developments environments and document them to provide the list of steps/changes to be followed during the point release go-live.
- Cloning Applications and databases as well using various methodologies like - cold, hot refresh and exp/imp dumps for the database.
- Troubleshooting the application issues related to forms, Apache & concurrent managers, issues related to users like login page issues, responsibility issues etc.
- Monitoring Daily Support tasks from clients and work on them. Monitoring database performance using TKPROF, AWR and ADDM.
- Generating and sending the Daily Health check reports to the clients after verification.
- User management and database Space Management. Performing code migrations on PROD database.
- Involved in maintaining applications using various AD Utilities.
- Applying several one-off application patches on a daily basis by performing pre patch analysis. Also applying RDBMS patches (Patching databases to the most current release levels).
- Perform Quarterly CPU patch Analysis, patch sets and apply them to the Environments. I never had any issues with my patch analysis.
- Applying patches in the shared appltop& distributed appltop environments. Creating the Custom data top for the client specific customizations.
- Upgraded the database from 10.2.0 to 11g.
- Applying latest releases of the RDBMS patches from Oracle to the Production and test instance to resolve technical challenges & issues.
- Taking backup (HOT/COLD) foe the database.
- Application administration using sysadmin user and managing the concurrent managers, concurrent requests, workflow activities, user management responsibility, etc.
- Work with technical, functional, development and testing teams on implementing the data migrations & changes.
- Has Identity management knowledge on administering the services and deploying the applications by logging into the web logic Administration console.
- Troubleshooting the errors regarding forms/reports reported by technical/functional teams.
- Helping the Integration team by building the Discoverer server, Fusion Middleware Database, OAM, OID, SOA, Web center and Web tier.
- Taking the HOT & COLD backup for particular code levels using RMAN and manual method for application stack and using them for different release purpose.
- Working with multiple teams (network, storage, technical, functional, testing and Finance (live )DB dba’s) and coordinating with them on performing specific actions on-time.
- Creating SR with Oracle support and Work with Oracle support on resolving the typical issues.
- Also Trained New college freshers with Database and Applications skills and assisted them on the job training.
- Has Identity management knowledge on administering the services and deploying the applications by logging into the web logic Administration console.
- Environment: Oracle Database 9i/10g/11g, Oracle Apps 11i/R12, Oracle 10g AS.
Confidential
Applications Database Administrator
Responsibilities:
- Working for more than 60 Oracle applications client’s databases. Technologies involved - Oracle Apps version 11.5.9, 11.5.10 & R12 on LINUX, multi node RAC system with Database 9i, 10g & recently started working on 11g.
- Responsible for maintaining Oracle Applications R12/11i in single node & multimode
- Administering production databases on a 2-node & 3-node RAC installation (Linux RH3 machines, Solaris and HP-UX), with 2-node PCP configuration, Load balancing form services and apache setup.
- Administering and maintaining Production Apps 11i instances, 24X7 Production Database Support and maintenance.
- Involved in maintaining applications using various AD Utilities.
- Cloning APPS databases using RMAN technology. Cloning a multi node system to single nodeand Cloning of RAC-RAC instances and RAC-Non RAC instances as well.
- Perform Quarterly CPU patch Analysis and apply them to the Environments.
- Applying several one-off application patches on a daily basis by performing pre-patch analysis. Also applying RDBMS patches (Patching databases to the most current release levels).
- Monitoring Daily Support tasks from clients and work on them.
- Cloning databases using various methodologies like - cold, hot refresh, exp/imp and rman on HP-UX/Sun-Solaris/Linux.
- Monitoring database performance using TKPROF, AWR and ADDM.
- Servers and database Space Management.
- Applying latest releases of the RDBMS patches from Oracle to the Production and test instance to resolve technical challenges & issues.
- Worked closely with teams including Applications development, database development, Oracle Support and business community.
- Distributing the tasks to the available resources, as a shift lead.
- Giving the key inputs the clone automation team.
- Participated on various upgrade projects as a team member.
- Worked on Multiple tasks for multiple clients simultaneously, never had any issues or complaints on my work.
- Handled training on Oracle Applications 11i/R12 for new joiners (New college Guys) and helped them to pick up with the initial work like monitoring and working on alert etc.
Environment: HP Quality Center, SQL and Informatica.