Abhay Kumar Singh

Abhay Kumar Singh

123 Gaslight Dr. Apt-11, S. Weymouth, MA-02190, USA617 – 794 – 1554 (M)

Mail ID : [email protected]

Professional Profile

Abhay Singh has 7 years of IT experience in Data Warehousing and Data Migration Domains. He has 7 years of experience on ETL Tool Informatica and Databases and over 3 years of experience of Onsite-offshore coordination. He has considerable knowledge of the latest version of Informatica. He worked extensively in Analysis, Design, Development, Administration and Support of various applications using Informatica, Oracle, Sybase, Unix, Linux and Windows environments.

Technical Skills

Operating Systems Linux ( Red Hat & Suse ), AIX-Unix, Windows , MS DOS

RDBMS Oracle Exadata,Oracle 11g,10g, 9i, Sybase IQ,Sybase ASE,DB2

Business Intelligence Tools

Informatica Power Center 9.1,8.6.x, 8.5.x, 8.1.x, 7.x , Power Exchange for Mainframe, Informatica Metadata Manager, Informatica Reference Data Manager, Informatica Support Console

Certifications

Informatica Certified Informatica-8 Administrator

Informatica Certified Informatica-8 Developer

Oracle Certified Associate

Experience Summary

6+ years experience in analysis, design, and development of software applications. Specializing in Data warehouse & Data Migration domains

Involved in Data Governance , Metadata Management, Reference Data Management and Business Glossary Management initiatives

Experience of Oracle RMS Modules ( Item,Organization,Merchandising,Supplier,Invoice,Price & Promo, Replenishment, RDF & Finance )

Worked on Full Development Life Cycle and implemented the Data warehouse and Data marts as part of the Decision Support System

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mailto:[email protected]

Abhay Kumar Singh



Proficient in designing ETL architectures for DW, Legacy Migration, Data Cleansing & Data profiling.

Established Best Practices for all ETL related processes which includes Best Practices at all level e.g. for Developers, Administrators, Project Managers, Build Managers, Support etc

Conceptualized, Designed and Developed the Central Execution, Error logging and Audit Mechanism for the ETL processes

Involved in identifying and building the repository of reusable Informatica components Design and usage of Informatica features for Data Profiling, Data Analyzer, Mapping Architect for

Visio, Mapping Analyst for Excel,Informatica Support Console Involved in migrating 25+ ETL applications from Informatica-7.1.1 on Unix to Informatica-8.1.1 on

Unix and from Informatica-8.1.1 on 32 bit Unix to Informatica-8.6.0 on 64 bit Red Hat Linux and setting up of an Informatica grid computing environment with failover and load balancing capabilities

Integrated Informatica with SFDC, Power Exchange, DataFlux and implemented LDAP security authorization

Established, maintained and supported Informatica environments on 23 servers hosting more than 25 ETL Applications

Designed and developed automated processes to perform all Informatica maintenance activities like repository backup and restore, starting and stopping Informatica services etc. and OS related process eg. file system monitor, file purge process etc

Worked end to end in migration from Sybase ASE to Oracle. This involved analyzing the PL/SQL and Sybase ASE procedures, participation in Data modeling, Design, Development and unit testing of the Informatica codes

Worked end to end in the migration of Legacy Data to Oracle Retail Management System (ORMS)

Involved in Master Data Management initiative for Products in PIM ( Product Inventory Management)

Participated in Pre-sales initiatives in the form of RFP, Case Studies Lead the Sybase IQ & Informatica development teams in various development projects Mentoring of the new team members in Informatica Development & Administration

Employment History

Currently Working in Wipro Technologies as a Technical Consultant Wipro Technologies

Informatica Consultant – February 2009 till Date Informatica Administrator – January 2008 till January 2009 Informatica & Sybase Development Lead – February 2007 till December 2007 Informatica & Sybase Developer – September 2005 till January 2007

Joined Wipro Technologies as campus recruit in August 2005

Awards and Recognitions

Member of the D&B ETL Center of Excellence that was finalist of the Informatica Innovation Award 2008.

Client appreciated STAR award(s) Informatica 8.6.x upgrade on Linux from Informatica 8.1.x on Unix of 25+ ETL

Applications of D&B Informatica 8.1.x upgrade from Informatica 7.1.x of 25+ ETL Applications of D&B Automating the process of Repository Backup and Restoration Automating Informatica Startup and Shutdown processes

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Abhay Kumar Singh



Automating purge process Wipro Awarded FIMC award for stabilizing the Sybase IQ environment of D&B

Professional Experience

AholdUSA Enterprise Reporting Jan 2012 – Till DateClient: Ahold USA Role: Informatica Consultant

Ahold is an international group of quality supermarkets based in USA and Europe .As a part of ORMS (Oracle Retail Merchandising Solution) implementation, Ahold is in the process of implementing the enterprise level reporting solution. The immediate goal is to suffice the reporting requirement for the ORMS implementation and the long term goal is to design an enterprise-level solution that can be evolved over time to support many different sets of reporting requirements.

Environment: Informatica Power Center 8.6.1, Linux, Windows XP, Oracle Exadata, Oracle 11g, ORMS, PIM

Responsibilities & Contributions:

Involved in the Architectural discussion to design the ODS, IDS, BIDB environments to meet the real time data integration and reporting requirement

Involved in ETL effort estimation and resource loading Involved in the discussions with the Data Architect and the Information Architect to decide on the

data flow Currently involved in the ODS Datamodel review with the Datamodeling team Currently involved in data mapping discussion with the functional team

Informatica PowerCenter- 9.1 Upgrade Feb 2012 – Till DateClient: Ahold USA Role: Informatica Consultant

Ahold, as a part of its platform consolidation exercise is in the process of implementing RedHat Linux OS across the environments. As a part of this project, the current Informatica PowerCenter-8.6.1 environments on AIX Unix will be upgraded to PowerCenter-9.1 on RedHat Linux. This project also involves migrating the current metadata Database environments on Oracle-11g R2 to Oracle Exadata

Environment: Informatica Power Center 8.6.1, Informatica Power Center 9.1.1, Linux-AIX, Linux-RedHat


Capacity planning and resource optimization to meet the current and the future data volume Creating the project plan and the upgrade approach Guided the Informatica Administrator in upgrading the Test environment Created the framework and user guide for implementation of versioned repository Participated with the Project teams in finalizing the testing methodology for the migrated code Currently involved in guiding the Informatica Administrator to install and upgrade the Informatica

environments

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Abhay Kumar Singh



BI RDF Project Mar 2011 – Jan 2012Client: Ahold USA Role: Informatica Consultant

Ahold, as part of its Oracle Retail Project is currently implementing Oracle Retail Management System (ORMS) and Product Inventory Management (PIM) to support its retail business in USA for Stop & Shop & Giant-Landover, two of the companies owned by Ahold USA. As a part of its ORMS and PIM initiative, the Retail Demand Forecasting (RDF) system had been implemented. The Objective of the BI RDF Project is to measure the accuracies of these forecasts wrt. actual sales, report future forecasts and measure Mape accuracies

Environment: Informatica Power Center 8.6.1 , Linux, Windows XP, Oracle 11g,10g, Micro strategy

Responsibilities & Contributions: Participated alongside the Business Analysts in gathering the reporting requirements Participated with the Data Modeler in creating the dimensional model for the ODS and Data

marts Created the volumetric Analysis Designed the Technical Architecture for the ETL flow Designed the reusable DB framework for dynamic parameter creation to manage the Informatica

code parameters Designed the reusable Unix script framework to provide restartability to Informatica jobs Guided the Offshore development team in creating the ETL code for Data Load in Staging, ODS

and Data Marts Supported Production deployment and stabilization Involved in project transition to the support team

Oracle Retail Project Aug 2010 – Till DateClient: Ahold USA Role: Informatica Consultant

Ahold, as a part of its ORMS initiative is currently involved in implementing the Oracle Retail Price Management, Retail Demand Forecasting, Pricing & Promotion, Invoice Matching, Retail Sales Audit (RESA), Replenishment & Allocation. The system will be implemented using Solution Integration Methodology. The initial Data Migration is done using Informatica PowerCenter and the ongoing data integration will be done using the tibco bus-framework.

Environment: Informatica Power Center 8.5.1, 8.6.0 , Linux, Windows XP, Oracle 11g,10g, ORMS, PIM


Involved in the Data Governance initiative along with the Ahold Information Architect team Involved in the Metadata Management and Business Glossary initiatives with the Data Modeling

team of Ahold using Informatica Metadata Manager and Reference Data Manager Envisioned and designed the roll up mechanism to transform forecasted data with the capabilities

to perform more than 150 million transformations within an hour timeframe. Designed the looping mechanism to process more than a terabyte of record within a 3day migration window

Worked with the Business Analysts to create the Data Mappings Involved in designing the HLDs and the Technical Architecture for the Data Migration Team Worked with the Offshore Technical Leads in the Factory Model to guide them in developing the

LLDs and process flows Involved in the Oracle Exadata Migration of the Databases from the existing Oracle-11g (R2)

environment

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Currently Involved in the Implementation strategy planning and performance testing planning sessions

Next Gen Data Migration Feb 2009 – Aug 2010Client: Ahold USA Role: Informatica Consultant

Ahold, as part of its Next Gen Program implemented the foundation modules Oracle Retail Management System (ORMS) and Product Inventory Management (PIM) to support its retail business in USA.The modules implemented in this phase of the overall ORMS implementation initiative are Item, Location, Supplier, Organization & Merchandising hierarchies. Informatica is used as a Data Migration tool for the initial set up of the foundation data in the ORMS and PIM

Environment: Informatica Power Center 8.5.1, 8.6.0 , Linux, Windows XP, Oracle 11g,10g, ORMS, PIM


Designed and developed the ETL framework in Ahold. Involved in Architecture and Design review of ETL projects Involved in identifying and building the repository of reusable Informatica components Envisioned, Designed and Upgrade of the Ahold Informatica Environment to PowerCenter-8.6.1 Conceptualized, Designed and Developed the Central Execution,Error logging and Audit

Mechanism for all the Migration processes in Ahold irrespective of tools or technologies as long as they adhere to the defined framework

Setting up of the Best Practices of Informatica Development, Administration and Support in Ahold Setting up of the processes to support the Informatica Development and Maintenance projects in

Ahold Eg. Defining access level, code versioning, code deployment strategy, code review process, production support and remedy mechanism etc.

Designed and guided the developers on the migration processes for Non-Item and Item Domains for R0 Migration team

Involved in the upgrade of the migration databases from Oracle-10g to Oracle 11g (R2) Involved in exploring and implementing Informatica features like Repository versioning, Data

Profiling, Data Analyzer, Mapping Architect for Visio, Mapping Analyst for Excel, Informatica Support Console

Worked with the Architect team in envisioning the Informatica platform of Ahold and tool evaluations for Data Mapping team

Involved in estimation exercises for new Informatica projects and technology evaluation process with the Ahold Architect group

Supported maintenance of the Informatica environments which included applying HotFixes, Software upgrade, resolving any job failures, performance tuning etc.

Coordinated with the DBAs, Informatica support, System Admins, Network Teams for various environmental issues

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Abhay Kumar Singh



D&B ETL Center of Excellence Jan 2008 – Feb 2009Client: Dun & Bradstreet (D&B) Role: Informatica Administrator

ETL Center of Excellence is the central governing body of all the ETL Application across D&B. The challenge is to integrate more than 25 different ETL applications and host them on a shared infrastructure. A Data Integration GRID that is capable of processing more than 3 billion records has been setup. Many new processes which include but not limited to reusability, code reviews, CoE Home Page, knowledge sharing, Documentation Center, automating more than 50 admin activities have been initiated and successfully implemented. Within a year of its existence this team was the finalist of the Informatica Innovation award 2008

Environment: Informatica Power Center 7.1.1, 8.1.1, 8.5.1, 8.6.0 , Linux, Unix, Windows XP, Sybase IQ, Oracle 9i, Oracle 10g, Power Exchange, Mainframe DB2,SFDC


Involved in migrating 25+ ETL applications from Informatica-7.1.1 to Informatica-8.1.1 Involved in migrating 25+ ETL applications from Informatica-8.1.1 on 32 bit Unix OS to

Informatica-8.6.0 on 64 bit Red Hat Linux Setting up of a Grid computing environment for D&B Integrating Informatica with SFDC, Power Exchange, DataFlux Upgrading Power Exchange from version 5.1.0 to version 8.6.0 Implemented LDAP for the DIP environment of D&B Performed a Unix to Linux upgrade for 25+ applications hosted on 5 servers which involved

assessing the capacity of the environment, establishing basic infrastructure, rebuilding Informatica environment and upgrading all applications on to the new servers

Maintenance and support of Informatica environments on 23 servers which involves applying Bug fixes, Hot fixes etc

Build automated processes to perform all ETL maintenance activities like repository backup and restore, code movement, starting and stopping Informatica services etc

Automated all OS related process e.g. file system monitor, memory and CPU utilization monitor, File purge process etc and created a hand free environment which generate alerts and raise and assign ticket to concerned group

Created reusable web services using Informatica web services to promote reusability of the components in the organization

Established best practices for all ETL related processes which includes best practices at all level e.g. for Developers, Administrators, Project Managers, build Managers etc

Guided the ETL CoE Home Page team on the various enhancements Performed POC for Informatica Data Quality tool Involved in migrating application Databases from Oracle 9i on Unix OS to Oracle 10g on Red Hat

Linux

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Abhay Kumar Singh



Target Report Fabrication & Enhancements June 2007 – Dec 2007

Client: Dun & Bradstreet (D&B) Role: Informatica & Sybase Development Lead

Description: Target Report Fabrication project was to sunset the existing Interim System of D&B for Sales Rep target and Objective Report generation and to merge it with the existing Customer Knowledge Financial reporting system.In the existing legacy system for Interim reporting the Sales Rep were not correctly compensated due to incorrect sales amounts being fed. Target Report Fabrication project was to improve the Sales Rep compensation process

Environment: Informatica Power Center 8.1.1, Windows 2000, Oracle-9i, Sybase ASE, Sybase IQ, Unix


Analyzing the Oracle stored procedures and the Sybase ASE scripts Analyzing the feasibility of merging the Interim application to the existing Customer Knowledge

Financial Reporting system Designed ETL specifications based on the functional requirements Guided the Informatica team in development and unit testing of the Informatica codes Preparing Test case documents to provide testing logic used for validating the ETL & IQ

processes UAT support and production stabilization Designed scheduled batch processing using control-m Guiding the IQ team in coding the IQ scripts, unit testing and production deployment of the

scripts

CK Sales Float and Enhancements Feb 2007 – May 2007

Client: Dun & Bradstreet (D&B) Role: Informatica & Sybase Development Lead

Description: The overall objective of the CK Enhancements project was to enhance the data quality of CKFR application of D&B so that it can be used for the daily financial reporting & analysis. This project is to introduce new sales float process and to integrate it with the existing revenue float process. It also introduces new rep replacement process to restate the hierarchy for the Bolt and Lag Accrual transactions with the month end hierarchy and automates the Advanced Sales and Sales Lag processes

Environment: Informatica Power Center 8.1.1, Windows 2000, Oracle-9i, Sybase IQ, Unix


Understanding the CKFR system Gathering client requirement, designing the Business requirement document and High Level

design document Designed ETL specifications based on the functional requirements Guided the Development team in development and unit testing of the Informatica codes

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Test case preparation, reviewing the mappings/Unix Scripts for standardization Guiding the IQ team in coding the IQ scripts, unit testing and production deployment of the

scripts Production deployment and stabilization Knowledge transfer to the third party vendor of the CK Sales Float application

CK Restatements Oct 2006 – Jan 2007

Client: Dun & Bradstreet (D&B) Role: Informatica Developer Description: For 2007, the D&B business unit was seeking to generate more accurate revenue forecasts for all the regional sales units. D&B had setup a process for recognizing the revenue from the customers. In the existing process, the deferred revenue was moved to a centralized office [4270]. To generate a more accurate revenue forecasts for each of the regional sales units, the deferred revenue must be recognized under the regional office as against the corporate office level. The scope of the project was to update the CK financial transaction records to reflect the actual ORC Codes in place of the standard ORC Code for Deferral revenue [4270]. The deferral revenue records of 2005 and 2006 in CK ere updated based on this logic.

Environment: Informatica Power Center 8.1.1, Windows 2000, Sybase IQ, Unix


Gathering client requirement, designing the Business requirement document and High Level design document.

Design, Development and unit testing of the Informatica codes. Test case preparation, reviewing the mappings/Unix Scripts for standardization. UAT support and production stabilization Guiding the IQ team in coding the IQ scripts, unit testing and production deployment of the

scripts

CK - FRP Sweep & Float June 2006 – Sep 2006

Client: Dun & Bradstreet (D&B) Role: Sybase IQ Developer

Description: Budget Floats is a process used to capture changes in revenue brought about by the sales ORG Changes.The purpose of this project was to track Movement of subscriber from one rep to another and responsibility of one rep to the other. This may be caused due to closing of offices, movement of sales rep within the organization etc. This project was to enhance existing monthly Budget Float process and in providing the flexibility to perform the proposed CK Budget float process at any time during a month.RTO was a new Float process that needs to be executed on-request basis during January of every year. This process will cater to floating the prior two year transactions to the hierarchy as of January of every year

Environment: Windows 2000, Sybase IQ, Unix

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Gathering client requirement, designing the Business requirement document and High Level design document.

Analyzing the Oracle stored procedures Design, Development and unit testing of the Sybase IQ scripts. UAT support and production stabilization Knowledge transfer to the support team

BOLT extracts in IQ April 2006 – May 2006 Duration: March’2006 – June’2006

Client: Dun & Bradstreet (D&B) Role: Sybase IQ Developer Description: BOLT is the transaction system of D&B. This application captures all the transaction related information and provides a feed to the reporting system. The reporting system is architected on IQ database using Business Objects as the front end tool. The BOLT application generates certain periodic extracts that are loaded into IQ database for reporting. The scope of the project was to migrate the extract process from BOLT to the Data sources in IQ

Environment: Windows 2000, Sybase IQ, Unix


Gathering client requirement, designing business requirement document and High Level design document.

Analyzing the Oracle stored procedures Design, Development and unit testing of the Sybase IQ scripts. UAT support and production stabilization. Knowledge transition to the support team

Nissan RPI Sep 2005 – March 2006

Client: Nissan North America (NNA) Role: Informatica Developer

Description: The RPI (Retail Performance Initiative) project was critical for Nissan North America (NNA) to improve the existing process of analyzing dealer performances and enable a proactive approach for analyzing and improving the same. The solution for the same was identified to come in the form of an easy-to-use dealer performance evaluation Business Intelligence tool or infrastructure

Environment: Informatica Power Center 7.1.1, Windows 2000, DB2, Unix


Design, Development and unit testing of the Informatica codes BO report testing Unix script testing

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UAT support

Educational Background B. Tech in Instrumentation and Electronics Engineering from Jadavpur University, Kolkata

References

Keshav Vadrevu : [email protected] : 484-597-1286 Jaideep Singh : [email protected] : 484-560-7414

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