Sr. Dba Resume
Billerica, MA
SUMMARY
- Oracle certified professional wif 9 years and 6 months of technical experience as Oracle Core DBA, specialized in 24/7 support on Production, Development and implementations on Oracle 9i / 10g / 11g and 12 c databases on various platforms.
- Experience in implementing EXADATA.
- Assisted in management and database administration of Oracle database applications on Exadata platform.
- Experience in migrating databases to EXADATA.
- Experience in managing SAP databases wif BRTOOLS.
- Experience in refreshing SAP databases from production to non - prod databases.
- Experience in creating and managing databases wif ASM.
- Experience in upgrading and migrating databases from non-ASM to ASM.
- Strong experience as an Oracle Applications DBA worked in multiple platforms like Linux, AIX, HP-UX and SUN Solaris and flavors of UNIX.
- Strong experience in supporting and managing PROD, DEV, TEST, SIT & UAT instances and Oracle Applications environments of varied complexity.
- OEM 11g & 12c Installation and configuration
- Backup/recovery methods using RMAN/user-managed.
- Export/Import and DataPump.
- Oracle GlodenGate installation and configuration.
- Experience in Installation, Configuration, Maintenance, Administration, Node addition and Troubleshooting Oracle Real Application Cluster (RAC).
- Experience in Oracle security advanced features like TDE using encrypted tablespaces and oracle wallet.
- Experience in converting Non-RAC to RAC database.
- Experience in Configuration, Maintenance, Administration & Troubleshooting Oracle Dataguard.
- Oracle Database migration from windows to Linux.
- Experience in Implementation, upgrades, Production support, Acquisition and De-commission databases.
- Complete knowledge of the oracle tables and database objects
- Oracle Certified 11g Database Administration (OCP)
- RAC, Data Guard setup and Configuration Expertise
- Installing, Configuration and Maintenance of OEM and Grid
- Experience on SQL Scripting, PL/SQL Programming
- Experience in setting up and troubleshooting on Oracle Gloden Gate Replication.
- Involved in troubleshooting and fine-tuning of databases for its performance and concurrency.
- Shell scripting to automate general maintenance activities.
- Strong experience in preparing DBA related documentation.
- Experience in working wif 12c Databases like installations, migrations and RAC 12c Installations
- Scheduling/Monitoring of jobs/processes/logs files and running processes on priority.
- Having 5+ years of experience in Database Administration for very large and complex databases in SQL Server 2012, SQL Server 2008 R2, 2008 and 2005/2000.
- Experience in Installing and configuring SQL server 2008, 2008 R2 and 2012.
- Good technical background along wif the ability to write effective documentation and specifications.
- Administering SQL Server High Availability and Disaster Recovery strategies.
- Worked extensively on Clustering and server consolidation.
- Troubleshooting production issues and raising high availability.
- Experience in Disaster Recovery Planning and Security Management operations.
- Proficiency in SQL Server Replication, Backup/Recovery, Disaster recovery and planning.
- Having hands on experience in DR processes including Log shipping and Database Mirroring.
- Worked on configuring SQL Server wif minimum privileged access.
- Troubleshoot performance problems, fine-tuning of databases and index Analysis.
- Worked on SQL Server 2014/2012 migration from SQL Server 2008/2005.
- Maintained individual service accounts for SQL Server services on cluster wif different Security groups to raise security mark.
- Experience in Batch processes, Import/Export, Backup, Database Monitoring tools and Application support.
- Working knowledge in Analysis Services (SSAS), Reporting Services (SSRS) and Clustering.
- Strong experience in mentoring team members and writing documentation.
- 24 X 7 Production Database on Call Support
- Having 3+ years of experience in Oracle EBS Application (11i & R12.1,12.2) Installation, Configuration, patching, cloning, upgrade and system administrator responsibilities.
- AD utilities like adpatch, adadmin, adctrl, adconfig, adident...etc.
- Patching 11i & R12 Applications using "adptach".
- Patching Oracle Database using "opatch".
- Online Patching Oracle Application 12.2 using “adop”.
- Cloning of Oracle EBS 11i & R12 Applications and its Databases.
- Strong experience in Oracle Applications 11i & R12 System Administration tasks.
- Experience in providing front-end Application support and backend Database support.
- Code migrations using FNDLOAD.
- Excellent knowledge in generic tools, Oracle Metalink and Service Request Process
- Troubleshoots post production issues.
- Experience in performance tuning of EBS Applications and Databases.
- Very flexible to adapt the new environment and quick learner.
- Excellent work allocation and team management skills
- Good demonstration skills and Strong verbal, written and interpersonal communication skills.
- Good Domain knowledge on core banking.
TECHNICAL SKILLS
Oracle Application: 11i, R12.1, 12.2
Oracle Database: 9i,10g,11g,12c
Languages: SQL, PL/SQL
TOOLS: TOAD, SQL Developer, BRTOOLS
Operating Systems: UNIX, Linux, Solaris 7/8, HP-UX, AIX, Windows NT/2000
Hardware: HP ProLiant servers, IBM Blade servers & Oracle Exadata
Data Analysis: MS Word, MS Excel, MS PowerPoint
Other RDBMS: SQL Server & PostGre SQL
PROFESSIONAL EXPERIENCE
Confidential, BILLERICA, MA
Sr. DBA
Environment: Oracle Exadata X5-2, RHEL 4, 5, 6, Oracle 9i, 10g, 11g, 12c, SQL Server 2005, 2008 & 2010, Gloden gate 11g, SAP databases (BRTOOLS), Oracle EBS R12, 11i.
Responsibilities:
- Installation and maintenance of Oracle Application EBS R12 on Linux Servers for Production, Development and QA Environments.
- Converted EBS Standalone database to RAC and configured DR.
- Installed 11g R2 3 Node RAC and configured single node DR for the same.
- Installed 12c 2 node RAC and configured databases in the cluster.
- Managing Databases wif ASM.
- Upgraded and migrated databases from non ASM to ASM.
- Participated in migrating databases to Exadata system using oracle active standby.
- Trained in managing Exadata servers.
- Applying ASM rolling patches.
- Implemented TDE using Oracle Wallet and created tablespaces wif encryption for couple of clients in Parexel.
- Upgrading the Application databases by applying interoperability patches
- Applied various types of patches for Oracle Applications
- Cloning of Oracle E-business suite using rapid clone
- Administration of concurrent managers and troubleshooting issues related to Concurrent Managers
- Implemented the Custom module in Oracle Applications
- Maintained Oracle Application Instances using utilities like adadmin, adctrl, adconfig, admerge, adpatch, adrelink
- Daily health checks of Application Tier Services and Database for availability
- Relinking the executables, generating forms, jar files, validating apps schema, compiling the invalids by using adadmin
- Managing various schemas passwords by using FNDCPASS
- Setting up the gloden gate 11.2 for uni-directional replication.
- Adding tables to the existing gloden gate setup.
- Setting up the IDR (Informatica Data Replication) to extract data in the flat files in intervals.
- Installed, configured and utilized Oracle Enterprise Manager for monitoring events
- Creating Application Users, Managing apps password, application user passwords and schema passwords
- Performing day-to-day activities such as creating users/roles/schemas/tables/views/indexes and running the scripts given by the clients
- Virtually lead Operational/offshore DBA team, assessing their skillset and assigning appropriate work to the team.
- Managed SAP databases wif BRTOOLS.
- General administration tasks on SAP databases.
- Tables re-org using BRTOOLS, tablespace management using BRTOOLS etc.
- Responsible for taking regular backups including cold / hot backups, Export / Import of database, using RMAN, and recovery in case of disasters.
- Installed and configured SQL server 2008, 2012.
- Implemented the new SQL Server 2012 mechanisms like data compressions, online indexing, Contained Databases.
Confidential
Sr. Oracle DBA
Environment: IBM AIX, SUSE Linux, HP-UX, Oracle 9i, 10g & 11g R2 RAC. Glodengate 11g
Responsibilities:
- Upgraded DB from 10.2.0.1 to 10.2.0.4 and 10.2.0.4 to 11.2.0.3
- Monitoring and configuring RAC Environment using by SRVCTL.
- Implemented oracle high availability solution using oracle 11g PHYSICAL STANDBY.
- Setup RMAN catalog for all the Oracle databases.
- Implemented Gloden gate bi-directional replication on couple of schemas by analyzing the requirement.
- Troubleshooting on capture & replication process on Gloden gate
- Implemented 2 nodes RAC 11g release 2 on SUSE Linux servers for Production setup.
- Installed Oracle 11g R2 and created databases on SUSE Linux Servers for development and Quality setup.
- Performing database Refresh from Prod to DEV/QA/TEST servers using hot backups and schema refreshed wif EXPDP/IMPDP.
- Monitoring Alerts of all the databases.
- Monitoring the jobs to ensure the jobs are running in time and troubleshooting long running jobs.
- Space Management of Databases.
- Restoration Mock Drills to ensure the backup stability.
- Capacity Planning depending upon the periodic growth of the database.
- Backups Validation and rectifying the issues in the failed backup scripts.
- Applying CPU patches on the databases.
- Table re-orgs to gain the space and performance of the database.
- SQL Query tuning.
- Implemented a shell script to refresh non ASM development database from ASM production DB and scheduled the same for every week.
- Automated purging old data by embedding PLSQL procedure wif shell script.
- Implemented streams for couple of tables across the data centers.
- Participated in regular DR Drills to ensure proper working of standby databases.
Confidential, SANTA CLARA, CA
Oracle Apps & Core DBA
Environment: RHEL 5, HP-UX, Oracle 81, 9i, 10g. Oracle EBS 11i
Responsibilities:
- Checking Alert log, Apache log, and Concurrent Manager log files daily
- Converting Single Instance to Oracle 2 Node RAC 11g and upgrading databases
- Worked wif various Oracle Applications Utilities like AD Administration, AD Controller, Autoconfig, AD Merge Patch, AD Relink, AD Splice, Auto Patch, Rapid Install, FNDCPASS, f60gen, CONCSUB.
- Troubleshooting various issues during day-to-day activities
- Administering and maintaining Oracle databases (Production, Test and Development)
- Clone the Test and DEV instance monthly once for resolving PROD issues and applying patches
- Administrating and responding to Oracle Tar’s
- Performing system administration Activities
- Memory and SQL Query tuning of the database.
- Managed SAP databases using BRTOOLS.
- Tablespace management, segments reorg etc.
- Performed many SAP database refreshes from prod to non-prod databases on a monthly basis.
- Managed around 100 SAP databases dat includes prod and non-prod databases.
- Managed Table Spaces for user data, temporary data and undo according to business needs
- Installed and managed SQL server 2005, 2008.
- Migrated all databases from HP-UX to Linux wif minimal downtime.
- Backups Validation and rectifying the issues in the failed backup scripts
- Database/Schema refreshes using data pump.
Confidential
Oracle Core DBA
Environment: RHEL 4 & 5, Oracle 10g wif RAC.
Responsibilities:
- Installation of Oracle Software, Creation, Configuration and Administration of Oracle databases for Oracle 10g.
- Responsible for the design, development, implementation, integration, and maintenance of multiple premium and core database management technologies, tools and utilities
- Implemented 2 nodes RAC 10g release 2 on Linux servers for Production setup
- Database upgrade from 10.2.0.1 to 10.2.0.4.
- Implemented oracle high availability solution using oracle 10g PHYSICAL STANDBY
- Cloning & Refreshes wif RMAN
- Space Management of Databases
- Managing Oracle databases through Oracle 10g.
- Partitioned the tables for better performance and maintainability
- Database performance tuning using AWR, ADDM and ASH reports
- Query tuning using EXPLAIN PLAN and TKPROF
- Configured and monitored RAC Environment using by SRVCTL
- Refresh development and test database on demand
- User Management which includes user creations, profiles, roles and privileges.
Confidential
Oracle Core DBA
Environment: RHEL 4 & 5, Oracle 10g
Responsibilities:
- Database Refresh from Prod to DEV/QA/TEST servers using hot backups and schema refreshed wif EXPDP/IMPDP.
- Restoration Mock Drills to ensure the backup stability.
- Capacity Planning depending upon the periodic growth of the database.
- Backups Validation and rectifying the issues in the failed backup scripts.
- Apply CPU patches on the databases.
- Table re-orgs to gain the space and performance of the database.
- Memory and SQL Query tuning of the database.
- Performance tuning by updating statistics, Index rebuild, AWR and ADDM reports.
- Implemented Automatic Data Archival process.
- Implemented Physical Standby Database.
- Implemented some shell scripts for some regular maintenance activities.
- Implemented Reports Database using streams replication.
Confidential
Oracle Core DBA
Environment: RHEL 4 & 5, Oracle 10g
Responsibilities:
- Installed Linux OS and Oracle 10g on the OEM Servers, created database and all the logical objects required for application
- Data Conversion, Data Mapping, Data Extraction, Data Modeling, from Legacy System to ORACLE Database
- Extensively involved in Database cloning manually as well as using RMAN Duplicate
- Created indexes and partitions as the part performance tuning the SQL queries
- Setup RMAN catalog for all the Oracle databases
- User creations, performance issues, connectivity issues and access issues.
- Upgraded the databases from 10.2.0.1 to 10.2.0.4
- Configured Client-server communication using the Oracle network
- Implemented Backup and recovery strategies using various tools like logical backups, cold backups and RMAN
- Studied and analyzed legacy system database objects and there by migrated data from UMS system wif SQL Scripts using DB links
- Application Build and change Management