NARAYAN PALISSERY                              Ph: 508 596 7322

 

OVERVIEW

 

 

Accomplished IT management professional with 18 year of extensive background in directing, architecting and implementation of Business intelligence and data integration solution for large and small enterprises across difference verticals. In all of my projects I was responsible for a wide range of architectural activities from requirements analysis through systems, application and process design specification. Also have significant knowledge across multiple platforms, processes and architectures, as well as broad knowledge of new technologies like Big Data and No SQL databases.

 

Areas of Expertise

 

·                Data warehousing and business intelligence planning, design and implementation ·                Strategic Planning ·                Agile Project management ·                IT Operations ·                Plan and monitor data operations ·                Business Process Reengineering ·                Metrics Data Management ·                OLTP and OLAP schema design ·                Open Source BI Implementation

·                Data warehouse consolidation ·                Meta-data and data dictionary planning and implementation ·                Application data conversion ·                Software and hardware selection ·                Data quality planning and implementation ·                Master Data Management ·                Big Data Implementation.

 

Professional Experience:

 

Stream Global services Inc.                                                                August 2010 - Present

 

Sr. Manager Data & Analytics & Enterprise BI Architect      

 

Currently leading a team of 22 BI, data and ETL resources dedicated to enterprise business intelligence and data warehousing programs to internal and external information delivery platform.

 

Established cross-functional relationships and directed all requirements gathering, Master Data Management, data analytical and documentation for enterprise projects to centralize information delivery process.    

 

Major Accomplishment:

 

·   Adopted Open source ETL framework for Data integration to reduce turnaround time for data integration and significantly reduced the license cost and support cost.

·   Productize data/metrics  to give Stream competitive  edge in the market place

·   Real-time and near real-time data integration from almost 1200 data source to support front line operation managers.

·   Rolled out Microstarategy globally as self severing BI platform for Internal and external users.

·   Successfully established a team of 22 data integration and BI   team globally with presence in offshore as well as onshore.

·   Successfully managed and established governance process for stream across multiple business areas in the company.

·   Successfully delivered a state of art Global data warehouse and Information delivery platform with 99.99 % uptime.

·   Renegotiated with existing vendors to reduce the maintenance cost and well as adopting new technologies.

·   Successfully managed and prepare the organization for major change management related to data integration, information delivery and Master data management.

·  Experience evaluating and recommending emerging technologies, technical and discipline standards, and methodologies within a data warehouse and data integration environment.

·  Ensure Data Quality as a discipline is developed and implemented across all the systems to ensure trust in relying on data to drive business decisions

 

 

Mathworks Inc.

 

Data Warehouse Architect                                                               July 2005 to August 2010

 

Major Accomplishments:

·   Find and generate executive level support for the data warehouse initiative.

·   Define key business drivers for the data warehouse initiative.

·   Deliver a project scope that directly supports the key business drivers.

·   Define the overall data warehouse architecture (e.g., ETL process, EDW, Data Marts)

·   Define technical requirements, technical and data architectures for the data warehouse

·   Recommend/select data warehouse technologies & methodologies.

·   Direct the discovery process

·   Design and direct the ETL process, including data quality and testing

·   Design and direct the information access and delivery effort for the data warehouse

·   Define and direct the implementation of security requirements for the data warehouse

·   Define meta data standards for the data warehouse

·   Direct the data warehouse meta data capture and access effort

·   Define production release requirements and sustainment architecture.

 

Environment: SQL Server 2005, Business Objects Enterprise Tools.

 

Biogenidec Inc. Cambridge, MANov 2003 to July 2005

Technical lead

Major Accomplishments:

·   Responsible for designing the total technical solution to integrate CRM data to Biogen environment (Siebel and Data Warehousing) from newly acquired company’s CRM system. 

·   Understand the source data and develop a strategy to map the data to existing Biogen Systems.

·   Gather Business Requirements and Design functional specifications.

·   Played the leading role in the enhancement project for the existing BI Architecture.

·   Upgraded informatica Environment to version 6.1 and implemented the Best practices for ETL processing.

·   Was involved in report designing using Business Objects.

·   Create and managed Data Model and Metadata reporting.

·   Implement a customer data cleansing and deduping process for Siebel/DataWarehosue

·   Played a Major role in integrating Third party data to Biogen Environment.

Environment: ORACLE 8i, Informatica PowerCenter 6.2, PowerMart 6,Business Object 6.0, Siebel , ER/WIN, Windows 2000, SQL Server 2000, HP Unix 11.0 and Sun Solaris.

 

Teradyne Inc. Boston, MA                                                May 2001 to Nov 2003

Data Architect

Major Accomplishments:

·   Responsible for designing the total technical solution and implementation of the reporting data warehouse and Data Mart to support the web based reporting and building a reporting data base to support the enterprise wide reporting. Design and Develop ETL Mapping using Informatica.

·   Understand resource requirements for the entire project based on scope and assist the PM in identifying and planning for those resources.

·   Work with the Project Manager in managing scope and customer expectations. Gather Business Requirements and Design functional specification.

·   Develop a technical solution design and detail specifications for the complete BI solution.

·   Facilitated user sessions around defining user expectations and functionality.

·   Coordinated between the team members to ensure delivery in the time allotted.

·   Installation and configuration for Brio portal and Informatica suite.

·   Design enterprise wide reporting using Brio Enterprise and Brio Report Production ETL Process Monitoring Brio Report Creation (total 230 reports) Brio Administration (trained 4000 users world wide)

 

Environment: ORACLE 8i, Informatica PowerCenter 6.2, PowerMart 6,Brio, Brio On Demand Sever, Brio Portal, Brio Metrics Builder, Oracle Discoverer, Oracle Apps 11i, ER/WIN, Windows 2000, SQL Server 2000, HP Unix 11.0 and Sun Solaris, Visual Basic.

Dialogos Inc. Boston, MASept 2000 to May 2001

Questia Media Inc. Houston, TX                                                              Sept 2000 to May 2001

Sr. Consultant

Major Accomplishments:

Team lead on automating the enterprise marketing operations marketing data mart via electronic marketing product implementation (campaign Management tool) Involved in requirement Analysis and Scope Definitions based on interactions with the subject area experts.

·   Data audit and data analysis

·   Design of Extraction Transformation and Load (ETL) strategy using Broad base

·   Handling complex business decisions such as definition of electronic marketing process.

·   Other duties and responsibilities include but are not limited to providing high-level technical advice and training to professional computer staff; and documenting assigned phases of each aspect of software implementation

·   Requirement Analysis and Report Creation for reports for marketing users.

·   Developed Database objects (procedures, views and Triggers) using TSQL

Environment: Oracle 8I, SQL Server 2000, Release 8.1.6 on UNIX (SunOS 5.6),Informatica, Broad Base eMA e-Marketing Tool, MS OLAP, Server, Brio, Visual basic

 

Manu life Financials. Boston, MA                                                     Feb 2000 to Sept 2000

Data warehouse Developer

 

Major Accomplishments:

·   Responsible for developing PL/SQL code for data extraction to data warehouse to support the web based reporting and building a reporting data base to support the enterprise wide reporting.

·   Facilitated user sessions around defining user expectations and functionality

·   Developed PL/SQL codes to load Data Warehouse and Data Mart

·   Performed Dimension Modeling, Automate the warehouse daily loading using Autosys.

·   Implemented Resources Usage optimization and Performance tuning on Data Warehouse.

·   Reporting using Cognos Impromptu.

Environment: ORACLE 8i, DB2, Cognos Tools (Power play, Impromptu), ER/WIN, Windows NT

 

Stride Rite Corp, Lexington, MA                                                                  Dec 1999 – Feb 2000

ETL Specialist

Major Accomplishments:

·   Worked on over all Enterprises Data Warehouse Architecture, which included four different Data Marts for separate divisions. He could successfully perform the following key roles:

·   Defining business requirements, dimensional Modeling

·   Product selection and installation

·   Physical database design and Development of ETLs.

·   Designed Adhoc reporting using Cognos Impromptu and developed OLAP cubes using Cognos Power play.

Environment: ORACLE 8, DB2, Informatica Power Center, Cognos Tools (Power play, Impromptu), Oracle Designer, Windows NT, SUN SOLARIS

 

The Knowledge Exchange Inc.  Boston- MA                                                  Oct 1999 to Dec 1999

Database Designer/Developer

Major Accomplishments:

·   Responsible for Design and Implementation of the On-line Knowledge Transfer System

·   Specification and design of multi dimensional Database

·   Implementation of OLAP functionality to database and associated middleware products.

·   Developed Stored Procedures to implement search algorithms.

 

Environment: SQL Server 7.0, Cold Fusion Studio, and E-Share

 

Chase Manhattan, NY, USA                                                                           Aug 1999 to Oct 1999

Database Developer

 

Major Accomplishments:

·   Involved in Schema design and performance on a 20 GB database

·   Database fine-tuning techniques and optimization techniques to improve the performance of the web site.

·   Re designed the procedures which actually control the security module of the website.

·   Developed a Preview module to preview the database templates using Future Tense     products.

Environment: Oracle 8, Dynamic SQL, Java Script, XML, Future Tense Content Server, and

Netscape Applications Server.

 

Polar Software Ltd. Delhi, India                                                         August 1998-August 1999

Ravissant Pvt. Ltd., Delhi, India                                                            May1999 to July 1999

System Analyst

 

Major Accomplishments:

·   Responsible for analysis and design of a Customer Relation Management System with extensive data warehousing capabilities for this premium retail outlet chain with showrooms across India.

Environment:  Oracle, FoxPro, Ms Access, Micro strategy OLAP, Micro strategy

Administrator, Micro strategy Analyzer

 

National Small Scale Corporation (NSIC), Delhi, India                           Feb 1999 to May 1999

Programmer Analyst

Major Accomplishments:

·   Worked on the automation of MIS Reports. Built and implemented a data warehouse for an organization involved in Hire Purchase business with 60 branches all over India.

 

Environment: Unix, AIX, Oracle 7.3.2, MS Access 97, Window NT 4.0, Window 95, BASE

SAS, SAS Connect, SAS EIS, SAS ACCESS

 

Indian Oil Corporation (IOCL), Noida, India  Sept 1998 to Jan 1999

Data warehouse Developer

·   Functioned as a developer in building a data warehouse for the marketing and production department of this large oil company.