Prabhakar Tammina

®

Cell: (614) 598-3487

Career Profile

A19 years of diversified IT experience at various capacities as Technical Manager, Enterprise

dirchitect, Team Lead, Senior Oracle Applications DBA and a Developer. Solid background in

team and aligning their efforts with organizational goals. Delivered all complex & midsize projects

prwith high performance solutions on-time and within budget. Sound judgment skills with high

ofessional ethics and standards.

Areas of Expertise:

  · System Design &

Development

  · Installations &

Upgrades

  · Fresh & Re

Implementations

  · Implementing HA & MAA architecture

  · Leadership, Team Building, Mentoring

& Professional Development

  · Complex Project Management

TechnicalOperating Systems: Oracle/Red Hat Linux 4.0/5.0/6.0, UNIX (Sun Solaris, HP UX, AIX)

4800/EHardware: Exadata, Exalogic, ODA, Sun Sparc M5000/M4000/M3000, Sun Fire

COMPETENCIES

2900, Dell 6650 / 6300 / 2650, HP 9000 / Proliant / DL585 / Itanium / PA RISC

Oracle E-Business Suite: 10.7, 11i, R12.1.x, R12.2.x

RDBMS: 7.x, 8i, 9i, 10g, 11g, 12c

RPrimary Software & Tools: AD Utilities, Rapid Installs/Clones, OAM, OATM, RMAN,

eb Logic 10.x, Discoverer 4.1,9i,10g and 11g, iAS 1.0.2.2, 9iAS, 10g

  · Strategic

Planning

  · Customer

Relations

  · Utilization

Analysis

recting & implementing Enterprise Resource Planning (ERP) and Engineering Systems

D(Exadata/Exalogic). Extensive knowledge in every phase of Design, Installation, Configuration,

Email: ptammina@yahoo.com

evelopment, Implementation and Upgrade of EBS DB and Applications. Skilled in building great

WAC, GC, SQL Developer, SQL *PLUS, TOAD, VERITAS, Tivoli, OEM 12c/11g/10g/9i,

Education & Accreditation

  · M.S, Electronics & Communication, India

  · Oracle Certified Professional in Database & EBS.

  · Trained in Fusion Applications, Exadata, Exalogic, Apps on RAC and Grid Control (GC).

  · Delivered an APPS on RAC 5 day class for the internal team members

Professional Experience

Mar ‘15 – Till Now

Consultant

As a consultant my responsibilities include

  · Managing offshore, onshore team and delegating all planned and on demand tasks.

  · Resources and Instance management

  · Performing the clones and migrations

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Victory Personal Services Inc.

Prabhakar Tammina

®

Cell: (614) 598-3487

  · Upgraded the cluster from 11g (11.2.0.4) to 12c

  · Performance tuning of the poor performance programs.

  · Applied all the CPU, PSU and R12.1.3 RPC3 patches

May ‘06 – Oct ‘14

Technical Manager/Sr.Principal

ORACLE Corporation

ManagerStarted my career at Oracle as Senior Principal Consultant and was promoted to Technical

clients by architecting and implementing oracle solutions.

EClients: Walgreens, Hyatt, PCL, Sterling Jewelers, WSSC, FireEye, FedEx, CoSD, Lycoming

after 5 years into my service. During my tenure at Oracle I served several premier

Bngines, Dell, United Airlines, VISA, AT&T, GE, Aramark, Facebook, Pella, GE, Rickett

Penckiser, Metra, FormFactor, Schreiber Foods, JEA, Quest Software, Sony Pictures, ADS,

ower Gear (Actuant), Emerson, FAA, Gilead and so on.

My roles and responsibilities include:

Migrations to Engineering Systems (Exadata/ODA)

Architect/Oracle Apps DBA

  · Migrated the current production environment to 2 node RAC on engineering system

(Exadata).

  · Designed the migration process from single node to 2 node RAC on ODA.

  · Migrated EBS R12.1.1 application from single node to 2 nodes and EBS R12.1.3 to 3

nodes.

  · Configured PCP and load balanced between the nodes with Cisco netscaler.

  · Upgraded the single node 11.2.0.1 database to 11.2.0.3 before migration.

  · Performed database upgrade from 11.2.0.1 to 11.2.0.3 during the migration process

  · Setup DMZ on one of the nodes for external users.

  · Performed various RAC/Load Balancer test cases.

  · Mentor client DBA with RAC concepts, RAC-to-RAC clone and DR failover/failback &

switchover/switchback concepts.

Health Check on Engineering Systems -- Architect

  · Reviewed the existing architecture, configuration and provided the migration approach,

recommendations & best practices.

  · Document all the key findings/recommendations and providing the Oracle Best Practices.

Architectural Recommendations/Review and Sizing -- Architect

  · Performed overall health check of the environments on Exastack, Databases and EBS,

JDE and Primavera applications.

  · Provided the full architecture details for the upgrade/implementation with the help of all

the gathered information/requirements.

  · Reviewed the existing architecture and recommended with necessary changes.

  · Provided with the instance strategy, patching strategy, sizing the environments based on

the no. of concurrent users and database size.

  · Configured and scheduled RMAN backups.

EBS, Database Installations & Upgrades -- Lead Architect/Oracle Apps DBA

  · Played as a lead architect/Oracle Apps DBA role for this high budget, major upgrade with

11.2.0.1 wFMW and OBIEE. Upgraded 11.5.7 EBS to R12.1.3 and DB upgrade from 9.2.0.8 to

  · Assisted PM with the PM & technical deliverable tasks to be on time and on budget

  · Migrated existing tablespaces to OATM.

ith RAC and ASM.

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Email: ptammina@yahoo.com

Prabhakar Tammina

®

Cell: (614) 598-3487

Email: ptammina@yahoo.com

  · Upgraded from Oracle Apps 10.7 SC (Development Instance) to 11.5.10.2 on Windows

with ASM.

  · Upgraded Oracle Apps 11.5.8 to 11.5.10.2 on Linux and implemented RAC for HA.

  · Three geographically bound 11.0.3 instances were consolidated into an 11.5.10 CU2

and 4 wGlobal Single Instance. The GSI environment is a 6 nod 10gR2 6 node RAC with ASM

  · Installed & Configured 11gR2 RAC Database on ASM.

  · Configured Web Tiers and concurrent manager nodes (PCP) to use Load Balancer.

  · Installed and Maintained 11g Oracle Databases used for Fusion Middleware and OBIEE

Teams.

eb tiers and 4 servers for DR.

  · Installed and configured 11g Oracle Discoverer, OID & SSO.

  · Performed all the technical SRs Management.

  · CEMLI Migrations to SIT, UAT & PROD Instances.

  · Tuned Custom SQLs used in ADF Components & Custom Programs (CLDF Code

Migration).

EBS Maintenance & Support – Oracle Apps DBA

  · Managed two production environments 6 DB nodes and 8 application nodes with 11gR2 &

ASM as DB version and R12.1.3 as application version.

  · Managed the both the onshore and offshore team of size 8.

  · Performed scheduled weekly clones and on demand clones for any production issues.

  · Applied the patches and delegating tasks to the offshore team.

  · Configure 11i to support multi-languages for several client global projects.

  · Assisted the offshore team with patching, cloning issues.

  · Performed the custom migrations into UAT/DEV/TEST environments

  · RMAN backups and addressing production issues.

  · Worked with Oracle support on critical production issues. Install Database and

Applications with UTF8 Character Set.

  · Performed the custom migrations into UAT/DEV/TEST environments.

  · RMAN backups and addressing production issues.

DR implementations for High Availability (MAA architecture) – Architect/Oracle Apps DBA

  · Configured DR using active RMAN duplicate for high availability.

  · Provided oracle best practices/recommendations and shared documents with cloning

s(RAC-to-RAC), patching, shutdown/startup services, failover/failback &

witchover/switchback.

Oracle EBS, DB and Demantra tuning – Oracle Apps DBA

Holistically tuned EBS custom programs & Demantra environment at every layer

  · Tuned several EBS custom programs and showed tremendous results.

  · Increased performance of standard and custom procedures (Ran three to seven times

perfaster). Tuned Oracle Demantra application and custom procedures for better

  · Provided recommendations to the Demantra Standard procedures to the R&D team,

which were leveraged in later releases.

formance.

  · Tuned the key partitioned tables like ‘SALES_DATA’ with 300 million rows of data,

‘MDP_MATRIX’ etc.,

Global Support, UTF8 Installation & Conversions – Oracle Apps DBA

  · Install Database and Applications with UTF8 Character Set.

  · SME in converting databases from non-UTF8 to UTF8.

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  · Configured Oracle Alerts and WF Notification Mailer.

  · Upgraded DB’s from various version 8i, 9i, 10g, and 11g during EBS upgrade process.

Prabhakar Tammina

®

Cell: (614) 598-3487

Apr ’04 – Apr ’06

Email: ptammina@yahoo.com

  · Install PASTA and Configure printers for UTF8 report printing.

Oracle Apps DBA

Diamond Innovations, OH

As the Applications DBA on board, I am involved in performing the following tasks.

  · Installed Oracle Applications (Financial Modules) 11.5.9 in a RAC environment and

upgraded from 11.5.9 to 11.5.10.2.

  · Used Rapid Clone to clone our Production instances to our test and development

instance on a monthly basis or as needed.

  · Applied several one-off patches and family patches using the adpatch and adctrl.

  · Applied Linux Patches and changed kernel parameters as recommended by Oracle. Also

installed Java 1.3.1.18 software on Linux Red hat 3.0 OS.

  · Configured all the printers and registered them to integrate with Oracle Applications.

  · Defined the custom responsibilities and setting the security rules as per the finance

department request before assigning those custom responsibilities to the users.

  · Also involved in development and executing conversion codes for AR Invoices,

Customers Load, GL Data load and Project Expenditures.

  · Also involved in daily maintenance tasks such as administering the tablespace &

database sizing, Compute statistics and checking for invalid objects. Compiling Flexfields,

generating JAR Files and generating message files after installing patches.

  · Tuned the poor performing Custom Queries by running Explain plan to check the

execution plan or by running trace on the Custom programs.

Feb ’00 – Mar ’04

  · Developed and Scheduled RMAN backup scripts and scheduled Tivoli OS File backups.

Oracle Developer/DBA

arious Oracle 8i databases. My responsibilities include

  · Installed Oracle Software, Designed and created databases for various systems.

  · Involved in the version upgrades from 7.3 to 8i.

  · Developed SQL*Loader Scripts to load data from Flat Files to Oracle Tables.

  · Developed stored packages, procedures, functions and triggers to change the data

structure and to load into the Oracle database.

Eastman Chemical Company, TN

vAs an Oracle Developer/DBA for a Chemical company, I am involved in creating and maintaining

  · Designed and Implemented Backup/Recovery strategies to take minimal restore time.

  · Involved in tuning poor performing SQL statements used in PL/SQL Packages,

Procedure, Functions and Reports.

  · Helped APS Functional resource in implementing Decentralized APS and DP instances.

  · Developed korn shell scripts to backup DB, Applications Backup, Start/Stop the

Applications.

  · Extensively used Export/Import Utilities for exporting and importing needed tables &

Schemas from production to test environments.

  · Involved in creating and maintaining the strategies for the security of the various database

systems.

  · Applied patches as required for Database and Development Tools (like Forms, Reports

etc.,) Level Patches to keep the Systems up to date with the latest versions.

Jul ’99 – Jan ’00

Oracle Analyst/Developer

State Government, IN

OAs the developer at Motor Carrier Services Division, I am involved in the migration of the existing

racle systems to online. Responsibilities include:

  · Designed and maintained the forms for the intranet application.

  · Involved in coding, testing and getting data from different databases.

  · Involved in writing Oracle backend procedures to validate and load different user’s data.

  · Maintained and Tuned Oracle Web server to host Oracle Intranet applications.

  · Designed and developed the reports using Oracle Reports 6.0.

  · Procedures and reports are automatically executed using the NT scheduler in a

consistent manner (daily, weekly and monthly processes).

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