Over all 15 Years of experience as Oracle Core DBA and Sr. Oracle Apps DBA in Administration/Infrastructure Architect/Performance and Tuning. Worked as Lead Sr. Apps DBA in many projects and managed large production databases (Tb size) in high availability environments. In the course of my work I have developed tremendous expertise in problem solving skills, project management skills, people management skills and have saved lot of money for my clients, improved client relations, and have successfully implemented many projects both locally and globally. I have demonstrated skills of organizing the Database Systems and the DBAs to improve security, efficiency and performance, thereby reducing the system outages.

 

TECHNICAL SUMMARY:

 

Databases:  Oracle 8i/9i/10g/11g DBA, 10g/11g RAC, 10g ASM, SQLServer, MySql.

 

Oracle Engineered Systems:  ODAX2, Exadata X2/X3

 

Database Options: RAC, ASM, Data Guard, Golden Gate, Partitioning

 

eBS Applications: Oracle Applications 10.6, 10.7 SC, NCA, 11.0 .3, 11i (11.5.5. 1.5.7, 11.5.9), 12.1.3

                               (Financials, HRMS/Payroll, Supply Chain, Manufacturing, CRM, Project Accounting),

                            Peoplesoft Applications, Ariba. Oracle Fusion Applications

 

Middleware: Oracle OAS 10g/11g, Fusion Middleware10g/11g, Weblogic Server 10g /11g,

                     OID/SSO/SOA,OBIEE11g

 

Hardware/OS: IBM AIX5.x,6.0 , Solaris 2.x, HP-UX,Red Hat Linux,Windows NT/2000

 

Languages: SQL,PL/SQL, Pro*C,, Unix Shell, Java, Java Script,XML.

 

Database Monitoring Tools: TOAD, OEM 10g/11g/12c, DBArtisian, BMC-Tools,

 

Data Warehouse Systems:  Cognos, Informatica, Hyperion. 

 

Backup Utilities: Commvault Backup Tools, RMAN, Vertias Net backup /Recovery, SQL Back Track,

                         Storage management systems(EMC ,Hitachi, Veritas Cluster/storage Management)

 

Other Tools: Load Runner 4.0, Appworx, Kintana, PVCS, VSS

 

Big Data Echo System: Cloudera, Haddop, Mapreduce, HDFS, HBASE, Zookeeper, Hive Pig,

                                       Scoop, Oozie, Flume

 

CERTIFICTIONS:

 

v      Oracle Exadata X2 11g Certified Professional  May 2013

                           

 

 

 

 

 

 

PROFESSIONAL EXPERIENCE:

 

 

Client                            : Kyocera Document Solutions, Fairfield NJ  Mar 06- Till Now 13 (Approx. 7+ Yrs)

Role                            : Lead Oracle DBA/Apps DBA/Architect.

 

Responsibilities:

-Supporting the Production Oracle eBS Systems 11i, R12(12.1.3), Oracle DB 10g/11g, OAS 10g/10g RAC, OID, SOA, OBIEE11g, and Several SqlServer Databases and Several 3^rd party Applications, Localizations, Global Extensions.

 

-Supported several projects in the past 7 Yrs in Databases, Oracle eBS and Custom Oracle Applications.

 

-Recently Upgraded the Oracle eBS Systems 11i (11.5.10) to 12.1.3 and Database from 10g(10.2.0.5) to 11g(11.1.2)

 

- During R12 upgrades and Implemented migrations procedures and scripts from Test to QA and

then from QA to Production to reduce manual effort and time spent on migrations.

 

-Installed and configured OEM to monitor and send critical paging alerts for Oracle Databases and Oracle R12 Applications.

- Supported the Virtualization project, migrating all our AIX servers from Non-virtualized to virtualized environment, which are running Oracle eBS systems, Oracle Databases and Custom Applications.

 

- Supported various third party systems Like ClrOrbit, eSyncho, eWarenavi.

 

- Implemented Oracle Database Web Services to integrate other Applications to eBS.

 

- Implemented RAC configuration in Oracle Application Server 10g Mid-tiers and OID, Database 10g RAC, for custom Order Tracking Systems Application (J2EE), Configured BigIP to load balance mid-tiers

 

- Upgraded the Oracle Database from 9i to 10g and Applications from 11.5.5 to 11.5.10

 

- Supported Brazil, Mexican Implementations.

 

- Implemented Commvalut Backup systems, RMAN backup Procedures.

 

- Supported Oracle eBS 11i implementations (11.5.5) Various Phases.

 

- Implemented procedures for backup, recovery and disaster recovery of the Oracle databases. Planned and implemented security auditing policies and procedures for all database activity. Developed the on call DBA procedures and policies including service level agreements for support and response times.

 

-Worked with the operations manager in the creation of change control procedures and policies for the production environment. Worked with account services, release management staff and data center staff to insure availability of the application and database

 

-In addition did the normal DBA duties of performance tuning, production support 24x7, backup, restore using RMAN, installing and upgrading various oracle software’s, working with oracle TARs

 

-Implemented RAC on Oracle Service Oriented Architecture (SOA). Implemented RAC on Oracle Identity Management Servers (OIM) for Order tracing system

 

- Installed and configured Cloudera Haddop in Amazon Cloud servers (Hadoop, HBASE, zookeeper, Hive, pig. Scoop, Oozie, Flume)

 

- Tested Exadata X2 Quarter Rack Configuration and Installations, Patch Testing, POC.

 

 

Environment:

Hardware/OS              : IBM AIX P550/P570 series 5.x/6.0, Non-Virtualized and Virtualized Environments.

 

Software               : Oracle 9i/110g/11g, Oracle ASM, RMAAN, Oracle Applications 11i (11.5.5/11.5.10) and

                            Oracle eBS 12.1.3, OEM 11g, Commvault, eSyncro, ClrOrbit, RITA, Custom OTS J2EE

                             Application, Fusion Middleware 11g, OBIEE11g, eAutomate, SqlServer Databases,

                            SOX, Logical Apps

         

Modules              : Financials, Supply chain, Service Contracts, HRMS, Localizations,

 

 

Client                            : AMA Manhattan NY.  Jan 05-Feb 06

Role                            : Lead Oracle DBA/Applications Architect.

 

Responsibilities:

 

- Supported all databases for various applications, Oracle Applications 11.5.5 (with Financial Modules, OE, HRMS, Self Service Purchasing, Self Service HRMS, iExpenses Modules), Telesales Application, CRM (Epiphany).

 

- Set up the development and testing environments for Oracle Applications with multi-tier architecture similar to Production environment.

 

- Installed Fixed Assets Module to the existing application and supported implementation of FA module project. Applying application patches.

 

- Supported various customizations projects and integration efforts between Oracle Applications databases and other applications databases. Created new standards and change management process for migration of custom code using pvcs tool. 

 

-  Standardize cloning procedures for Oracle Applications using adclone and also for other databases and Applications.

 

- Redesigned all databases backup and restore procedures with RMAN tool and reduced the overall backup and recovery time.

 

- Played major role in supporting the DR exercise, documented all process for restoring all databases and applications. Successfully restored all databases and applications at DR site.

 

Environment:

Software               : Oracle 8i, 9i, 9iAS(9.0.2), Oracle Applications 11i (11.5.5),

Hardware/OS              : Sun Servers V-Series and Enterprise Servers, Solaris 2.5 and 2.8

 

 

Client                            : TOYSRUS Inc, Wayne NJ. JUN 03- DEC 2004

Role                            : Sr. Oracle DBA/Application Architect

 

Responsibilities:

 

- Upgraded Oracle Applications from 11.5.5 to 1.5.9(Modules are, All Oracle Financials, HRMS, iProcurement, iStore, iExpenses) and the database from Oracle 8i(8.1.7) to Oracle 9i(9.2.0), Created development, test, user acceptance database environments.

 

- Installed and configured the Oracle 9iAS 9.0.2. Configured the components for Oracle HTTP server, Oracle portal, single-sign-on, BC4J, iFS and OEM. Implemented SSL for http services as per Oracle highest security standards, Oracle Discoverer and Business Intelligence components.

 

- Migrated the Oracle Applications 11.5.5 and Database 8i from IBM AIX 5.1 to IBM S/390 Linux servers.

 

- Implemented new DMZ server (external web server) for iProcurement application for logging to the external suppliers out side firewall using Oracle 9iAS as web server.

 

- Supporting the Oracle Express server, upgraded OFA, OSA and Express server to 6.3.4.

 

-Improved the backup performance in RMAN tool, checking database performance using Statspack, OEM, Quest tools as per 9i standards.

 

- Improved the Performance of Application server 9ias by tuning web component parameters.

 

Environment:

Software               : Oracle 8i/9i Oracle Applications 11i(11.5.5, 11.5.9), Kintana, pvcs, Hyperion.

Hardware/OS              :  HP UX 10.x, Linux, Compaq Tru64 5.x,

 

 

Client                            : First Data Corporation (FDC Inc) Omaha NE.  NOV 01-JUN 03

Role                            : Sr. Oracle DBA/Application Architect

 

 

Responsibilities:

 

- Supported the Full life cycle Oracle Applications 11i(11.5.5), Global implementation project as lead DBA. Helped in installing and managing the Applications as per 11i standards. In Phase1 Implemented Financial, Manufacturing Modules and Work-Flow and in Phase2 implemented, Oracle CRM  and Oracle Incentive Compensation (OIC) modules. As per Global implementation efforts, consolidated the different databases and implemented Multi-lingual, Multi-Currency features.

 

- As lead DBA done pre-analysis, hardware/software requirements, capacity planning, and installed the application. Done Load balancing architecture with twin web servers, tested Web servers performance(Software/Hardware switch). Installed, configured, administered 9iAS application server with 11iApplications. Implemented Oracle portal and single sign-on components also.

 

- Upgraded the Application from 11.5.5 to 11.5.8 to support the CRM modules, installed new CRM modules, upgraded database, applied all maintenance pack patches.

 

- Done cloning the Oracle 11i applications of different databases dev, test, training, production, applied lots of patches and used admin tools adclone for cloning the databases, Autoconfig, adpatch, adadmin tools

 

- Spend lot of time for tuning SQL’s in both databases as per 11i standards for 8i and 9i databases based on CBO optimizer recommendations, since Rule based will be obsolete soon. SQL Tuning using Explain Plan and TkProf, some time GUI tools like top sessions, DB Artisian, TOAD, BMC Tools etc.

 

- Frequently checking database performance by auditing database by running new audit packages and custom scripts, implemented 9i new features like Undo tablespace management, reusable space management features.

 

- Implemented the RMAN backup on Legato, Hitachi storage systems, Sun Solaris.

 

- Implemented the RMAN backup on EMC and Veritas cluster storage management systems, IBM AIX systems.

 

- Supporting Sqlbacktrack backup, Raw data volumes on production database.

 

- Migrated the large database of size around 1Tb to new Sun Server and upgraded database from 7.3.4.4 to Oracle 8.1.7.2 with database data block change from 4K to 8K to improve the performance and supporting the future Application upgrade to 11i using Appworx tools and exp/imp. Also migrating from SSA disk drives to Hitachi drives.

 

Environment:

Software               : Oracle v7.3.4, 8i, 9i Oracle Applications v10.7 and 11i(11.5.5, 11.5.8), Cognos.

Hardware/OS              : IBM AIX, Sun Servers 6500,

 

 

Client              : G.E                    Richmond VA  Jan 00 – Jul 01

Role                            : Sr. Oracle Database/Applications Administrator

 

Responsibilities:

 

Supported the large production databases as primary DBA for Oracle Financials and Manufacturing, Distribution and Supply chain modules(GL, AP, AR, PO, FA, OE, HRMS, and Oracle e-commerce Gateway Modules) which are nearly 300 to 400 GB and running on standby database servers and also responsible for database upgrades of different versions from 7.X to 8 and 8.0 to 8i and responsible for Oracle Application upgrades from 11.x to 11i (11.5.1). Configuring iProcurement according to 11i features.

 

- Checking system performance by running sar,vmstat,iostat, top etc.

 

- Created Backup and Recovery procedures using shell scripts and configured Net Backup (Veritas) software. Involved in the disaster recovery plan and tested completely for all kinds of failures like single instance failure to complete server failures and created proper recovery procedures in each case.

 

Improved the database performance by planning and creating Partitioning of the tables, indexes for query based database and creating the bit mapped indexes for required columns this reduced query time from > 10 min to less than 1 to 2 min. Done lot of other SQL tuning’s during implementation of the e-commerce database where queries need to run less than 1 to 2 min.  Created locally managed tablespaces to reduce the i/o.

 

Migrated the databases from NT server to Unix servers and converting the applications to web enabled and migrated the data on to new databases.

 

Responsible for the installation and configuration of Oracle Application server 9iAS, Form Server and configured all the listeners for web applications. Converted Forms4.5 Applications to Web enabled applications.

 

Environment:

Software:               : Oracle 8i, Oracle Applications 10.7 NCA, 11i(11.5.1). 

Hardware/OS              : Sun Solaris 2.6, HP-UX 11.0, Windows NT 4.0, E6500, E4000 Servers.

 

 

Client              : RIT(Rochester Institute Of  Technology), Rochester NY May ‘99 – Jan00

Role                            : Sr. Oracle Database/Applications Administrator

 

Responsibilities:

 

Supporting the new Oracle HRMS/Payroll Project implementation from different phases with different databases, maintaining Application Servers and supporting the current Production database with all Oracle Financial modules (GL, AP, AR, PO) and supporting the entire go-live process i.e. combining HRMS/Payroll Project database with current production database. 

 

Supporting the Current Production Database with Financial and Payroll Process data and make sure that all payroll process are running timely and helping payroll process team to resolve all database issues. Done lot of Database/Application tuning and improved database performance it helps running the total time for some of critical batch jobs.

 

Implemented the PVCS, as Version Control Tool for all customizations and maintain all kinds customizations in Oracle Applications. 

 

Environment:

Software:               : Oracle v7.3, Oracle Applications v10.7 NCA Prod 16.1, OAS 3.0.2

Hardware/OS              : Digital Unix 4.0d

 

 

Client                             : Pricewaterhouse Coopers, TAMPA, FL  Jul ‘98 - Apr ‘99

Role                            : Sr. Database/Applications Administrator

 

Responsibilities:

 

As a team member in IT Support, I was responsible for:

 

- Supporting the production Oracle Financial database(GL,AP, AR, FA Modules) and Administering the Project Accounting/Account Receivables project implementation. Converting AP/GL system to Multi-Org. Day to day database maintenance including refreshing the development databases from Production database (in archive mode), and backups.

 

- Performed Database Tuning - Tuning involved; SQL Tuning, SGA tuning, Shared Pool tuning, Tuning SQL/PLSQL areas, Buffers and Disk I/O tuning. Routine checks of log and trace files to see whether there are any problems requiring actions. Auditing database performance by checking estat, bstat reports also running custom scripts to monitor the database performance

 

- Involved in Implementation of Oracle Applications 10.7 NCA architecture, Installed 10.7 NCA Application products (Web Application server 3.0.1, Oracle Forms Web Server, Unloading 10.7 NCA product files), Configured and administering the Web application servers, applying NCA patches and setting up of 10.7 NCA Export/Attachments functionality.

 

Environment:

Software:               : Oracle v7.3.3.6, 8.0.1 Oracle Applications v10.7 NCA Prod 16.1, 11.0

Hardware/OS              : Sun Ultra E6500, E4000, Sun Solaris 2.6

 

 

Employer              : ADI Inc, VA USA    Mar 97 – Jun 98  Oracle DBA/ System Analyst

 

During this period I supported the following clients of ADI Inc.

 

Client                     : Corning Corporation, NY Feb ‘98 - Jun ‘98

Software              : Oracle v7.3.2.3, Oracle 8.0, Peoplesoft Applications.7.0

Hardware/OS              : Digital Alpha /VMS, Windows NT4.0

Role                            : Sr. Database/Application Administrator

 

Responsible for developing various databases at various stages of implementation of Projects (Databases for conversion of data, interfaces, training databases, and various development databases) and responsible for backups.  Evaluating Taxware s/w for Sales & Use Tax calculation Controls according to the business requirements and building interfaces from Oracle to Taxware to calculate taxes and Use tax. 

Administration of existing Production system, Trouble Shoot various application problems.  Involved in designing of databases for international sites to support multiple languages and multi-byte character set. Working on tuning of database and applications.  Developed interface programs between application database to other applications.

 

Client                            : Comcast Corporation Sep ‘97 – Feb ‘98

Software              : Oracle v7.3.2.3, Oracle Applications v10.7 Prod 16.1, Windows NT4.0

Hardware/OS              : Sun 4000, Sun Solaris 2.5.1

Role                            : Database/Application Administrator

 

As software consultant, responsible for:

 

Upgrading Oracle Applications From V 10.6.1 To V 10.7 Prod 16.1 and Upgraded Oracle Database From V7.1.6 to V 7.3.3.3 and applied Oracle Server Patches and Application Server Patches at various stages.

Upgraded Data Warehouse Database System and modifying all custom procedures and packages according to new Oracle Applications system.  System testing at different cycles in GL, AP, PO, INV modules while upgrading system. Implementation of Multi-Organization. 

 

Implementation of 10SC, for Application File Server on Windows NT 4.0, planning of network topology and configuring Oracle Client Software Manager(OCSM), Oracle Clients and Report Review Agent.  Developed custom procedures for encumbrance process. Tuning of Oracle Database as per the 10.7 Oracle Applications upgrade process, and then for production database, backup and recovery procedures, tuning of operating system kernal parameters, Administering Oracle Applications Production System.

 

Client                            : Akashic Memories Corporation, CA Mar ‘97 – Sep ‘97

Software              : Oracle v7.3.2.3, Oracle Applications v10.7 Prod 16,Windows NT4.0

Hardware/OS              : HP 9000, HP-Unix 10.0

Role                            : Applications DBA

 

Installing Oracle Applications v10.7sc, Production 16.1 server (Financials and Manufacturing Modules.), Installed I2 Supply Chain modules and integrated to Oracle applications modules, Installing Developer/2000, applying patches to update Developer/2000 forms and reports.

Applying various patches for Oracle Applications, Calling Oracle for various problems and down loading patches from their ftp server and applying patches on various instances that are in Oracle Applications. 

 

Created Database and constructing data dictionary, resized database files by expanding or shrinking to gain unused space, granting database privileges, running utlbstat/utlestat, tune SQL statements to diagnose problems, tuning s hared pool, selecting the objects to be pinned in shared pool (especially Applications packages)

 

Oracle Express Server 5.0: Study of financial system, installation of Oracle Express server 5.0 on HP10.0, installation of Oracle Financial Analyzer 4.8, Personal Express 5.0.1 on Windows NT., Integrating of Oracle Financial Analyzer into Oracle Applications General Ledger module, Implementation of Financial Analyzer, Developed OLAP objects, Developed Security System. 

 

Employer              : Vesa Infotech Systems Ltd, India.  June ‘94 – Feb ’97 

Sr. Oracle DBA/ System Analyst

 

Client                            : OCTL, India

Software              : Oracle v 7.2.3.4/Oracle Financials v 10.6

Hardware/OS              : Sun Solaris 2.1

Role                            : Sr. DBA/Oracle Applications Programmer

 

As Oracle Applications Database Administrator responsibilities included:

 

Installing Oracle Financials v 10.6, Upgrading Oracle Financials v 10.6 to 10.6.1. Resolved performance issues relating to Oracle Applications, i.e. Invoice Import, and issues relating to Multi-org.  Installed Oracle server 7.1.6. and upgraded Oracle Server 7.1.6 to 7.3.2.3. Created number of Databases using methods Import & Export and at operating System Level using Unix tar command. Created users and assigned the roles, applied various patches to the Database and to Oracle Financials, promotions to the Production Database, managed the Security of the Database, developed Backup Strategies. Defined and maintained the concurrent Programs, Defined Concurrent Managers and their work shifts.  Developed Shell Scripts to Automate Start up and Shut Down the Database and the Concurrent Managers, and for Cold Backups.  Developed Shell Script to check whether Internal Concurrent Manager is active or not.

 

Client                            : HIL, India

Software              : Oracle v 7.x, Developer 2000,Er-Win Tools

Hardware/OS              : SCO-UNIX 5.x

Role                            : Sr. DBA/System Designer

 

Responsible for planning, designing, implementing an MRP (Material Resource Planning) system using full-life cycle development methodology in Oracle 7, for engineering equipment manufacturing company.  Integrated different departments of data like marketing, purchase, warehouse etc. In inventory we integrated different departments like ERD (Engineering Research Design), Project Dept., Process Dept., Quality Dept.  We provided detailed Customer analysis, Vendor analysis, Sub contract list, and Estimation of production cost, material process plan details etc. It supports ABC analysis and ROQ (Re-order quantity) & EOQ (Economic order quantity) for Inventory. It prepares purchase requisition forms based on ROQ reports.  Performed detailed analysis, modeled the data and process, defined the scope of the database, assessed the space needs of database objects.

 

Client                            : APRS,  India

Software              : Oracle v 7.2, Forms4.5, Auto cad, Auto Lisp

Hardware/OS              : Windows NT

Role                            : Senior DBA/Oracle Applications Developer

 

Developed Drawing Management System (DMS) package by using Card Tools (Auto Cad vc.12 and Auto Lisp) and Database Management System (Oracle 7.1) for State government, Survey of Land and Revenue Department.  This will take care of entire data of state.  The main function of packages is to atomize the entire manual preparation of drawings into computerized drawing system and maintain data for each Survey Field.  The volume of drawings are around 500,000. The size of database is nearly 20 Gb.  Extensively involved in writing PL/SQL stored procedures and triggers, participated in module testing and system integration. As part of technical design group member of the project was responsible for planning and implementing technical architecture for bulk drugs manufacturing company.  Involved in the capacity planning, configuration planning, bench marking and prototyping. Participated in developing proposals, conducting feasibility studies, interviewing consultants and reporting to management on the above issues. 

 

Employer: ICMI, India.  Mar ‘93 - May ’94   Software Engineer

 

Oracle (v6 & v7) installation on UNIX platform and setting various init.ora parameters.  Database creation, creating data dictionary catalog views and creating database objects to support Oracle products and

Oracle responsible for backup procedures and monitoring very large database applications. Administering the database and developed performance tools to monitor database resource utilization, disk space, fragmentation, and database traffic. 

 

EDUCATION:

Bachelor of Engineering, Karnataka University, India.  DEC 1992.

 

COURSES:

1. Training in Oracle Development and Database tools from ICMI India Nov 1992.

2. Training in Advanced Oracle DBA Concepts from Newtronix India Apr 1996

3. Training in Oracle Application Programmer from Genesis Software Systems India Dec 1996

4. Attended Oracle Course for Database Performance and Tuning in 8i Mar 2001

5. Attended Oracle 9iAS Concepts seminar in NY Apr 2004

5. Attended Oracle 10G  Seminar in NY Dec 2004

6. Training in Oracle Exadata X2/X3 in Dallas TX 2013