Sivakumar has over 9 years of experience in data warehousing and ETL development using tools like Informatica and Teradata. He has extensive experience designing and developing ETL processes for data migration, analytics projects for clients in various industries. His roles have included requirement analysis, mapping design, testing, performance tuning and managing project timelines.

1. SIVAKUMAR S
Mobile: +91 - 96000 42552
E-Mail: sivakumars.dw@gmail.com
PROFESSIONAL SUMMARY:
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• Having 9+ years of experience in analysis, design, development and maintenance in IT
industry.
• Extensive experience in Data Warehouse applications using Informatica, Teradata,
Netezza ,Oracle, DB2, MS SQL server on Windows and UNIX platforms.
• Strong Data Warehousing ETL experience of using Informatica PowerCenter Client tools
- Mapping Designer, Repository manager, Workflow Manager/Monitor and Server tools –
Informatica Server, Repository Server manager.
• Experience in integrating and working with data from multiple data sources like Oracle,
DB2, Sybase, Flat files and SQL Server.
• Proficient in using Informatica - Designer, workflow manager, workflow monitors, to
create, schedule, control workflows, tasks and sessions.
• Proficient in designing and developing the various transformation logics by utilizing the
expression, filter, joiner, lookup, and router.
• Perform technical reviews and before deliver the code.
• Participated in Data warehouse testing using Quality Center in writing Test cases and
executing the test cases for ETL Testing.
• Good Hands-on experience across all stages of Software Development Life Cycle
(SDLC) including business requirement analysis, data mapping, build, unit testing,
systems integration and user acceptance testing.
• Excellent interpersonal and communication skills, and is experienced in working with
senior level managers, business people and developers across multiple disciplines.
PROFESSIONAL EXPERIENCE:
• Currently working as Associate in Cognizant Technology Solutions from Nov 2010 to till
date.
• Worked as Assistant Systems Engineer in Tata Consultancy Services from April 2007 to
Nov 2010.
TECHNICAL SKILLS:
 ETL Tools : Informatica Powercenter 8.1.1, 9.1.0
 RDBMS : Teradata, Oracle, MS-SQL,Netezza and DB2
 Operating Systems : Windows NT /95/98/XP and Unix
 Schedule Tool : Tidal scheduler, AutoSys
EDUCATIONAL BACKGROUND INCLUDES:
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2. Master of Computer Application (MCA), Regular Course from AVC College (Autonomous)
Affiliated to Bharathidasan University.
PROJECT DETAILS:
1.PROJECT TITLE DB2toTeradata Migration waves1/2/3
INDUSTRY Consumer Goods
CLIENT PepsiCo Inc.,
DURATION Feb 2015 – Till date
ROLE Module Lead
PROJECT SPECIFIC SKILLS Informatica 9.1.0, Teradata14.0,Autosys
DESCRIPTION OF THE PROJECT
PepsiCo EDW environment already running in DB2 platform. We are moved to ‘lift and shift’
migration methodology to be used to re-platform the data warehouse environment from DB2 Data
Warehouse to Teradata Data Warehouse. The approach to be involved a one-to-one mapping of
the DB2 data warehouse design to the new Teradata data warehouse platform. As much as
possible, names and attributes for all database tables, columns, and other database objects to be
preserved to minimize impact to data integration and BI application layer.
Responsibilities
 Analysis on existing ETL processes and Code base and identify impacted objects and
object lineage.
 Involved the DB2 related object migrated to Teradata object changes to be done.
 Good understanding of source to target data mapping and Business rules associated with
the ETL processes
 Prepared for Unit test ETL jobs and write Teradata sql scripts for data validation.
 Involved in Performance tuning at source, target, mappings, sessions, and system
levels
 Modified existing mappings for enhancements of in flight changes to new business
requirements.
 Have used BTEQ, FLOAD, MLOAD Teradata utilities to export and load data to/from Flat
files and database.
 Used Debugger to test the mappings and fixed the bugs.
 Conducted code reviews developed by my team mates before moving the code into QA.
 Collaborate with the BISQUAD team to create and execute system test plans
 Prepared detailed Mapping Specification documents.
 Prepared for the migration documents for code migration to different environments.
2.PROJECT TITLE Data Migration UWP (Underwriting portal)
INDUSTRY Insurance
CLIENT ACE Insurance Inc.,
DURATION Mar 2014 – Jan 2015
ROLE Module Lead
PROJECT SPECIFIC SKILLS Informatica 9.1.0, DB2, MS-SQL
DESCRIPTION OF THE PROJECT
Ace international insurance company to constructing their own Portal for all of their claims
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3. Processing in different countries. To achieve for this they need to convert all their previous
system data like Genius to Reference, Meridian to Reference and ASPAC to Portal, LATAM to
Portal, SIS to Portal for all the data to move into the newly build Underwriting portal.
Responsibilities
 Prepared the Source to Target Mapping documents, including business rules and
transformation logic.
 Develop ETL mappings based on the mapping documents as per the project plan
 Prepared for Unit test ETL jobs and write SQL scripts for data validation.
 Performance tuning for ETL mappings/sessions
 Identification of Enhancement Opportunities and Implementation
 Unit testing, System integration testing and regression Testing
 Collaborate with the QA team to create and execute system test plans
 Conduct peer review before delivering the code.
 Prepared detailed Mapping Specification documents
 Prepared for the migration documents for code migration to different environments.
3.PROJECT TITLE VIBE-Wave1 Implementation
INDUSTRY Life Science
CLIENT Daiichi Sankyo Inc.,
DURATION Jan 2013 – Feb 2014
ROLE Module Lead
PROJECT SPECIFIC SKILLS Informatica 9.1.0, Netezza, Tidal scheduler
DESCRIPTIONDESCRIPTION OF THE PROJECTOF THE PROJECT
The DSI EDW Wave1 Implementation ETL processes will load the data related all the
source data on to a new Netezza platform .This data movement from Staging Area to EDW will
follow layer by layer after the corresponding File transfer process by MFT completed. The data
loads from Files to every layer will run under one of the following workflows based on the
frequency of the data load and business function/subject area of the data.
Responsibilities
 Prepared the Source to Target Mapping documents, including business rules and
transformation logic.
 Develop ETL mappings based on the mapping documents as per the project plan
 Prepared for Unit test ETL jobs and write SQL scripts for data validation.
 Performance tuning for ETL mappings/sessions
 Identification of Enhancement Opportunities and Implementation
 Unit testing, System integration testing and regression Testing
 Collaborate with the QA team to create and execute system test plans
 Conduct peer review before delivering the code.
 Prepared detailed Mapping Specification documents
 Prepared for the migration documents for code migration to different environments.
 Prepared Production support run book (AOG document).
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4. 4.PROJECT TITLE Aggregate Spend
INDUSTRY Life Science
CLIENT Daiichi Sankyo Inc.,
DURATION June 2012 – Dec 2012
ROLE Sr.Informatica Developer
PROJECT SPECIFIC SKILLS Informatica 9.1.0, Netezza
DESCRIPTIONDESCRIPTION OF THE PROJECTOF THE PROJECT
The Aggregate Spend is part of the US Transparency Initiative for all Health Care Provider (HCP)
and Health Care Organization (HCO) expenditures. All HCP and HCO spend transactions will be
captured and reported, pursuant to federal law and reports submit to US Government. The data
Load Transfer Value Research, SAP, Standard, Publish AS360 Meeting Budget Expense and
Customer Expense Mappings.
Responsibilities
 Prepared the Source to Target Mapping documents, including business rules and
transformation logic.
 Develop ETL mappings based on the mapping documents as per the project plan
 Unit test ETL jobs and write SQL scripts for data validation.
 Identifying areas of enhancements and implementing them to the existing mappings
 Unit testing, System integration testing and regression Testing
 Collaborate with the QA team to create and execute system test plans
 Conduct peer review before delivering the code.
 Prepared detailed Mapping Specification documents
5.PROJECT TITLE MDM Prescriber
INDUSTRY Health Care
CLIENT Express Scripts Inc.,
DURATION Mar 2011 – May 2012
ROLE Sr.Informatica Developer
PROJECT SPECIFIC SKILLS Informatica 8.6, Oracle and Teradata
DESCRIPTIONDESCRIPTION OF THE PROJECTOF THE PROJECT
Prescriber Master Data Management (MDM) project will provide a single source of truth for
prescriber data with automated merge/match logic and tools for Data Stewards to support
audit/review of automation, and manual review/remediation of work-queue master data
decisions. A new prescriber service will support transactional interfaces to the prescriber MDM.
Where feasible, applications will be migrated to use this new Prescriber Service. In addition,
extracts provided to EDW and subsequently published to Enterprise Files will be used by
applications that are not feasible to migrate to direct use of the Prescriber MDM at this time.
Responsibilities
 Analysis of existing system and new requirements gathering
 Mapping requirements to the technical architecture
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5.  Design and development of ETL mappings using Informatica designer
 Writing DB scripts as per requirement
 Performance tuning for ETL mappings/sessions
 Identifying areas of enhancements and implementing them to the existing mappings
 Conduct peer review before delivering the code to onsite
 Unit testing, System integration testing and regression Testing
 Prepared high level detailed design documents
 Prepared error handling and restart recovery documents
6.PROJECT TITLE Health Net - KPI’s
INDUSTRY Health Care
CLIENT Express Scripts Inc.,
DURATION Nov 2010 – Feb 2011
ROLE ETL Developer
PROJECT SPECIFIC SKILLS Informatica, Oracle
DESCRIPTION OF THE PROJECTDESCRIPTION OF THE PROJECT
The Health Net Inc - Health Care Provider in USA we have developed in the Aggregator for Key
performance Indicator of the business users.
ResponsibilitiesResponsibilities
 Understand the customer requirements and convert into Business solution
 Developed Aggregates for KPI’s
 Analyze and develop the mappings, sessions and Workflows in Informatica
 Performance tuning for ETL mappings/sessions
 Identifying areas of enhancements and implementing them to the existing mappings
 Unit Testing, System Integration testing and Regression Testing
 Prepared high level detailed design documents
7.PROJECT TITLE EDW - MDB Separation
INDUSTRY Telecom
CLIENT Motorola Inc.,
DURATION Apr 2008 – Nov 2010
ROLE ETL Developer
PROJECT SPECIFIC SKILLS Informatica, Oracle
DESCRIPTION OF THE PROJECTDESCRIPTION OF THE PROJECT
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6. Project Separation was proposed by Motorola to split up their business units into distinct entities,
MDB and BMS. As per customer requirements the current Motorola EDW will split into two
EDWs, one for the BMS (Broad Band Mobility) data and one for the MDB (Mobile Devices) data.
ResponsibilitiesResponsibilities
 Analysis of existing system and new requirements gathering
 Mapping requirements to the technical architecture
 Design and development of ETL mappings using Informatica designer
 Writing DB scripts as per requirement
 Performance tuning for ETL mappings/sessions
 Identifying areas of enhancements and implementing them to the existing mappings
 Unit testing, System integration testing and regression Testing
 Preparing of the High Level and Detailed Design Documents for the Job Flow Process
 Ensuring proper end to end delivery and correctness of the Output data
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7. Project Separation was proposed by Motorola to split up their business units into distinct entities,
MDB and BMS. As per customer requirements the current Motorola EDW will split into two
EDWs, one for the BMS (Broad Band Mobility) data and one for the MDB (Mobile Devices) data.
ResponsibilitiesResponsibilities
 Analysis of existing system and new requirements gathering
 Mapping requirements to the technical architecture
 Design and development of ETL mappings using Informatica designer
 Writing DB scripts as per requirement
 Performance tuning for ETL mappings/sessions
 Identifying areas of enhancements and implementing them to the existing mappings
 Unit testing, System integration testing and regression Testing
 Preparing of the High Level and Detailed Design Documents for the Job Flow Process
 Ensuring proper end to end delivery and correctness of the Output data
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