Sr. Oracle Application Dba Resume
MN
SUMMARY
- Over 7 years of total experience in IT, encompassing a wide range of experience in various Oracle technologies as Oracle Apps DBA: Oracle Databases (9i, 10g, and 11g), Oracle Applications (11i, R12).
- Installation, patching, upgradation, configuration maintenance of Oracle 10g RAC, 11gR2 RAC, Standby Databases (Data Guard), Oracle Apps.
- Experience in managing business/mission critical high availability databases.
- Worked on Oracle Real Application Clusters & Data guard on Linux.
- Hands On Experience in installing, configuring and managing Oracle 11gR2 RAC with ASM
- Expertise in Maintenance, Patching, Cloning, Troubleshooting and Performance Tuning of Oracle Applications E - Business Suite
- Production Experience in administering Oracle Apps 11i, and upgrades from 11.5.8,11.5.9 to 11.5.10,R12
- Hands-on experience on Oracle tools such as 10g and 11g Enterprise Manager and RMAN.
- Expertise in configuring OEM Grid 10g, 11g, 12c.
- Excellent working experience in troubleshooting OEM 10g, 11g, 12c.
- Expertise in scheduling and monitoring backup through OEM.
- Excellent experience in Installation and configuration of Oracle 9i, 10g, 11g and Oracle Apps 11i and R12 in UNIX/LINUX and Windows environment.
- Management of schemas, objects & Partitioning the tables & indexes.
- Proactive Monitoring, identifying areas that need to be improved in the application and database using Statspack, AWR, ADDM and OEM Grid Monitoring.
- Experienced in using Data Pump, Flashback Recovery, AWR, ASM, ADDM, Grid Monitoring, Recycle Bin.
- Experience on Apps cloning from Prod to Development and Testing
- Experience in Apps Patching (HR global patching payroll patching)
- Excellent knowledge in user management, roles, profiles
- Excellent knowledge in Backups and Recovery and Cloning of databases using RMAN.
- Planned and implemented Disaster Recovery & high availability solutions using Oracle Standby Database, Golden Gate
- Delivering Oracle Database performance-tuning services for customers with Explain Plan, Tkprof, Statspack, SQL Trace, AWR, ADDM, OEM Grid Control custom scripts troubleshooting Oracle databases using SQL trace utilities.
- Performance Tuning i.e. tuning applications, shared pool, I/O distribution, buffer cache, redo mechanisms.
TECHNICAL SKILLS
RDBMS: Oracle 11g/10g/9i Oracle 11g (RAC, Data Guard), Oracle Apps
OPERATING SYSTEMS: HP-UX 10.x, 11.x, Sun Solaris 8, 9, 10, AIX 5.1, 5.2, 5.3, Red Hat Linux RHEL 4.x, 5.x, UNIX and Windows 2003/XP.
LANGUAGES: SQL, UNIX Shell Scripting, bash and Perl Scripting.
SOFTWARES, APPLICATIONS & TOOLS: DBCA, DBUA, RAC 10g/11g, Oracle Data Guard, OEM (GC), RMAN, ASM, Clusterware, SQL*PLUS, SQL*LOADER, EXP, IMP, Data Pump (expdp, impdp), TOAD, SQL TRACE, EXPLAIN PLAN, TKPROF, STATSPACK, AWR, and ADDM, Oracle Golden Gate
PROFESSIONAL EXPERIENCE
Confidential, MN
Sr. Oracle Application DBA
Environment: Oracle 11g and Oracle Apps R12.
Responsibilities
- Cloning Oracle Application Instances to build Development, UAT and QA instances
- Applying Oracle Application and database patches (patch analysis and application using adpatch)
- Regular database backup activity
- Table space and data file management, file system management
- Planning database and application outages for maintenance window
- HEAT Ticket solution for Oracle Application and database users
- Implement new changes to monitoring scripts as per new requirements.
- Provide 24/7 support for multiple production instances
- Patch analysis and schedule downtime for applying of patch
- Clone and Patch Oracle applications (ERP) instances.
- Performance tuning in Oracle Applications instances and other production DBs
- Shell scripting for cron jobs & some customization in already created scripts.
- Maintained all documents of Oracle database operations. Prepared documentation of database backup and recovery standards
- Experience on replication technologies like Oracle Golden Gate.
- Configured Oracle Golden Gate unidirectional and bidirectional replication for Oracle-Oracle homogeneous databases.
- Experience in performing the initial load methods using Golden Gate.
- Experience in monitoring and troubleshooting Oracle Golden Gate processes like manager, extract, extract datapump and replicat.
- Experience on data transformations during replication and other GG utilities like logdump for extract process troubleshooting.
Confidential, Minnesota
Sr. Oracle Application DBA
Environment: Oracle 9i/10g and Oracle Apps 11i.
Responsibilities
- Cloning Oracle Application Instances to build Development, UAT and QA instances
- Applying Oracle Application and database patches (patch analysis and application using adpatch) Regular database backup activity
- Table space and data file management, file system management
- Planning database and application outages for maintenance window
- Remedy Ticket solution for Oracle Application and database users
- Implement new changes to monitoring scripts as per new requirements.
- Provide 24/7 support for multiple production instances
- Patch analysis and schedule downtime for applying of patch
- SSL implementation in oracle apps environments.
- Clone and Patch Oracle applications (EBS) 11.5.10.2/R12 instances.
- Performance tuning in Oracle Applications instances and other production DBs
- Shell scripting for cron jobs & some customization in already created scripts.
- Maintained all documents of Oracle database operations. Prepared documentation of database backup and recovery standards
Confidential, MN
Oracle Apps DBA
Responsibilities:
- Handling high availability (24/7) database in onsite-offshore model
- Handling Performance issues at the application level and database level
- Applying regular quarterly CPU patches and keeping the databases up to date with the Oracle security updates
- Providing support to 10g RAC databases.
- Rolling patching and upgrades of 10gRAC databases.
- Experience in Configuring the Cluster and Creation of RAC Database.
- Experience in maintaining the Cluster databases using Srvctl.
- Experience with RAC to Non RAC cloning and Non RAC to RAC Migration.
- Experience adding the Cluster node to an existing cluster.
- Taking backup of OCR and VOTING DISK
- Experience on DATAGUARD and Create and maintaining Physical standby database.
- Good experience in Oracle Installations and Oracle database Creation through DBCA, OMF and ASM.
- Creation of ASM databases, ASM instances and administration of ASM Instances and ASM Disk groups on CORE environment.
- Providing support to the data warehouse jobs and tuning queries.
- Upgrading the databases from 9i to 10g.
- Cloning the Oracle home and upgrades.
- Creating health monitoring Unix shell scripts
- Scheduling the health scripts using crontab, mailx.
- Troubleshooting the user access issues.
- Creating User profiles, roles
- Handling Service requests using ITIL tools.
- Working closely with the application teams on scheduling the patching windows.
- Cloning the databases regularly for the reporting databases and stage environments.
- Tuning the database level performance issues.
- Taking AWR reports and analyzing them periodically for better performance.
- Creating Backup schedules and taking periodic backups both offline and online using RMAN
- Participating in corporate DR drills and ensuring the data protection.
- Installation of 9i and 10g application servers.
- Troubleshooting the application server issues.
- Defragmentation of the tables using exp/imp, rug, shrink
- Working with Oracle on critical database bug/issues.
- Creating process documents for the DBA activities and making sure that teams adhere to the process outlined.
- Taking the client requirements and working closely with the business teams on their requirements and providing the solutions
- Creating partitions for partitioned tables periodically
- Managing materialized views and refreshes
- Creating DB links to heterogeneous environments for the data warehouse
- Periodic index management, index rebuilding.
- Training Junior DBAs on DBA activities
Environment: Oracle Enterprise Linux, Oracle 10g, 9i, 8i.
Confidential
Oracle Apps DBA
Responsibilities:
- Administering and maintaining single-tier and multiple-tier Oracle Applications 11i and R12 instances.
- Administering, patching, upgrading and maintaining Oracle database versions 9i, 10g
- Troubleshoot various Applications and database related issues, including performance issues.
- Oracle Applications 11.5.10 to R12.0 upgrade.
- Oracle Applications 11.5.8 to 11.5.10 upgrade.
- Troubleshooting RAC databases
- Troubleshooting Data Guard-related issues
- Implemented Huge Pages for various customer instances to improve their performance
- Performed installation / upgradation / patching of entire E-business suite components on single node / multi node instances.
- Converted single node instance to multi node instance.
- ASCP concurrent processing middle tier addition
- Implemented SSL in Oracle Applications 11i and R12
- Cloned Oracle applications 11i.
- Experience in all AD utilities including adadmin, adpatch, adsplice, adctrl, etc.
- Experience in DMZ Implementation
- Experience in Discoverer 10g and workflow mailer configuration.
Confidential
Java Developer
Responsibilities:
- Involved in database design, import and export activities.
- Designed and developed Application Prototype.
- Developed user interfaces using JSP.
- Used Java Script for Client side validations.
- Developed Struts Action classes, Business Delegate Object, Data Transfer Object, Data
- Access Object classes.
- Implemented MVC design Pattern.
- Optimized system performance by writing stored procedures and calling them Using JDBC callable statements.
Environment: Java 1.6 / J2EE, Servlets 3.0, JDBC, JNDI, JSP, EJB, Web logic Application server, Struts and Oracle 8i.