Suman saha data architect

Suman Saha
Bellevue,WA,98007||(310) 977 3156||suman0221@gmail.com
Senior Data Architect| Architect Lead
Accomplished, top performing Data Architect with 12+ years of groundbreaking success in building
and deploying Datawarehouse and ETL solutions across various Industry Domains
ETL Strategist with deep data architecture and IT Management experience, applying industry 'Best
Practices' to determine the data management programs-create processes-and steer technology
improvements to increase efficiency and drive productivity. Proven success in building and managing
various data warehouse applications and forging win-win alliances with business and technical
stakeholders.
Performance Snapshots:
Successfully designed and architected the Integrated Data Warehouse in T-Mobile on Big Data
platform.
Took part of creating the Data Architecture Guidelines and Data Governance Framework in T-
Mobile.
Architected design and development of the various business focus Enterprise Data Marts in
Toyota Financial Services using Informatica as Major ETL tool.
Architect the custom Data Quality and Metadata Reporting Application in Toyota Financial
Services using Informatica, Oracle and OBIEE.
Successfully architected Remarketing Data Mart for Toyota Financial Services to provide the
reporting and analytical capability to the Remarketing business to track Auctions and
Remarketing of Vehicles. This Mart has been delivered using Informatica, Netezza and OBIEE.
Architected the Migration and Enhancement of the Risk reporting platform from Oracle to
Netezza and developed the new functionality for Risk Portfolio including enhancement of new
Marketing Program Codes to Retail and Lease business of Toyota Financial Services. This
solution is delivered using Informatica, Oracle, Netezza, OBIEE and Hyperion.
In depth knowledge of Consumer and Commercial Insurance business of Toyota Financial
Services and architected the solution for Wholesale Insurance Mart for Toyota Financial
Services using Informatica and Oracle.
Excellent Skill on Data Analysis and Conceptual, Logical and Physical Data Model creation using
Erwin and SAP Power Designer.
Proficient on arranging the JAD session, Requirement gathering, Source to Target Mapping and
creation of ETL specification document.
Sound knowledge on Data Integration between DW/BI and Legacy/CRM systems.
In depth knowledge of Auto finance and Telecommunication business domain.

Technology Snapshot
Tools Erwin Data Modeller, SAP Power Designer ,Informatica7.X, Informatica8.X,
Informatica9.X with Administrations, Autosys, Reflection, Aginity, Toad
Database Oracle10g, Netezza, Teradata
Reporting HyperionIR9.0, OBIEE 10G/11G, Siebel Analytics
Programming PL/SQL,SQL, NZSQL ,Unix Shell Scripts, ColdFusion
Computer Systems UNIX (SUN-SOLARIS 10) Windows 9x/2000/NT, Linux,
Methodologies NoSQL Data Architecture, Kimball Methodology, Data Virtualization
Career Experience
Client: T Mobile, USA July 2015 – To Date
Integrated Datawarehouse
Role: Senior Data Architect/Solution Architect
Description: T Mobile is setting up their BigData DW platform on Hortonworks Cluster (200 Nodes).
Data needs to be loaded in Hadoop based Data lake from sources like file system, database, social
Media. After setting up the Data Lake, T-Mobile is building the integrated data warehouse platform
on Hadoop and Teradata. All the reporting and analysis will be done on the integrated model using
the SAP BO and Denado data virtualization.
Responsibility:
 Determination of End to End Integration Points and determine the solution
 Understanding the End to End Data flow
 Analyzing the Source Systems
 Profiling the source data
 Identifying the Master Data and Analyze its change
 Logical, Physical, Conceptual Data Model creation
 Source to target Mapping
 Data Dictionary creation
Technology: SAP Power designer,Teradata, Hortonworks Hadoop Echosystem, Denodo Data
Virtualization
Client: Toyota Financial Services, USA (TFS) Nov 2006 – June 2015
Projects at Toyota Financial Services:
Wholesale Insurance Reporting SolutionNov 2014 – June 2015

Role: Data Modeler and Data Integration Architect/Solution Architect
Description: Wholesale Insurance is the business concerning Dealers and their floor plan. Wholesale
Insurance portfolio covers aspects like Floor Plan, Revolving Lines of Credit, Real Estate, Working
Capital, TRAC/LCCS, and Equipment Floor Plan etc. Floor Plan the generally covers the number of
vehicle in a Dealer’s floor. Currently TFS provides the Insurance to the dealers. For the Dealer
reporting and its penetration purpose TFS wanted to build a new Data Mart for executive and field
reporting platform.
Responsibility:
 Understanding the Business Processes
 Analyzing the Source Systems
 Profiling the source data
 Requirement Gathering and Understanding the need of the business
 Logical, Physical, Conceptual Data Model creation
 Creating of Business Requirement Document
 Data Dictionary creation
Technology: Erwin Data modeler, Informatica 9.X, Unix, Netezza, Visio
Data Quality Repository and Metadata Reporting Solution Apr 2014 – June 2015
Role: Solution Architect and Data Architect
Description: Customized tool in TFS, which are using for Enterprise metadata capture and its
measurement. The enterprise will use this tool to check the following:
- Data Governance - Business Alignment
- Understanding the process -Data Structure and Architecture
- Data Insight - Metadata Lineage
Responsibility:
 Logical, Physical Data Model creation
 Architecting the end to end solution
 Data Flow determination
 Data and Reporting framework creation
 Creating frame work for Identification and Presentation of Critical Data Element
 Business and Technical Metadata Capture

Technology: Erwin Data modeler, Informatica 9.X, Unix, Netezza, OBIEE 11G,Informatica Metadata
Manager
Risk And Remarketing Mart Reporting Solution Aug 2011 – Aug 2014
Role: Solution Architect /Data Architect/Project manager
Description: TFS having the Old Enterprise Data Warehouse reporting application was
originally developed for the Risk and Remarketing Management Group to provide the
foundation for an expandable analytical environment and promote accurate loss forecasting,
competitive pricing and cross-selling and optimize credit policy enforcement. TFS has
overhauled the system including more business rules and also created a new reporting
solution utilizing few existing functionality.
Responsibility:
 Logical, Physical Data Model creation
 Architecting the end to end solution
 Determination of Migration Path and ETL roadmap creation
 End to End Design including ETL process flow
 Reporting framework creation and report migration from Hyperion to OBIEE
 Project Management
Technology: Erwin Data modeler, Informatica 9.X, Unix, Netezza, Visio, OBIEE 11G, Hyperion
OneSource Access Control Expansion Mar 2010 – Jan 2011
Role: Technical Architect /Technical Lead
Description: OneSource(EDW platform of TFS) Access Control Expansion (ACE) project is a
strategic initiative to implement access controls to limit access to the information necessary to
perform ones’ responsibilities. Some OneSource users had access to more data than they need
to service their customers. Applicable law and the TFS Privacy Policy require limiting access to
customer data on a need to know basis. The Solution was provided using the Oracle VPD and
Hyperion Dashboard scripting.
Responsibility:
 Analyzing the Reporting Systems
 Oracle Control tables and VPD Design
 Participated in Hyperion Access control design Development

 Construction of Oracle VPD scripts Testing Identifying the Master Data and
Analyze its change
Technology: Oracle 10G,Unix, Hyperion IR
OneSource ETL Re – Architecture Mar 2010 – Jan 2011
Role: Technical Architect /Technical Lead
Description: ETL Re architecture of OneSource to increase the availability of OneSource to
business users by reducing the data loading period. The various architectural options explored
for the OneSource ETL Re Architecture including changing the data acquisition strategy,
Consolidation of ETLs, using various Informatica high performance options etc to reduce the
batch time and provide more window to the business for exploring the data.
Responsibility:
 Re - Architecting of existing ETL’s
 Re - Architecting of Database objects
 Performance tuning of existing ETL’s.
 Testing of ETL and database objects
Technology: Informatica 8.x, Oracle 10G,Unix,Autosys
Informatica Administration Support Jan 2009 – Nov 2009
Role: Technical Lead
Description: TFS has the distributed Informatica Service strategy and having a High Available
Informatica Cluster to support the Enterprise Data Integration Capability.
Responsibility:
 Informatica Service monitoring in all the ETL environments
 Informatica installation in the new environment
 Maintaining the user access and rights.
 New patch installation on all of the servers.
 Performance tuning of Informatica servers
 Coordination with Vendors to resolve critical issues
Technology: Informatica 8.X, Unix, Oracle 10G,Autosys
OneSource (EDW) Enhancements Nov 2006 – Nov 2008
Role: Developer

Description: TFS OneSource application was originally developed for the Risk Management
Group of TFS to provide the foundation for an expandable analytical environment (Enterprise
Data Warehouse or EDW) and promote accurate loss forecasting, competitive pricing and
cross-selling and optimize credit policy enforcement. The major enhancement worked is:
 OneSource Dealer Credit Subject Area
 OneSource Reporting Requirement
 OneSource EDR Analysis
Responsibility:
 High Level and Low Level Design Document creation
 ETL Code creation
 END to END testing
 Data Model analysis
 Implementation Coordination
 Informatica Metadata Customized Query preparation
Technology: Informatica 8.X, Unix, Oracle 10G,Autosys
Client: Experian, USA Jan 2011 – Aug 2011
Siebel Analytics Support
Role: Technical Lead
Description: Experian has number of CRM, Billing and BI systems to help manage sales,
opportunity, billing, finance, HR, Planning and budgeting needs. The organization also global
reporting system for strategic accounts SAGR, but with limited functionality.
Responsibility:
 ETL and Report Maintenance
 Release Management
 ETL Performance Tuning
 Feasibility Study of the requirements
Technology:Informatica 8.X, Oracle 10G, OBIEE 10, Siebel Analytics, Unix
Client: AmerisourceBergen, USA Jun 2005 – Oct 2006
Portal Service and Profit System Support
Role: Production Support Analyst and Application Developer
Description: The applications of Portal Services has been developed on mainly Macromedia’s
ColdFusion ,Java, ASP and Microsoft SQL Server software, runs on Windows NT operating

system. This application uses SQL Server as its databases. The Profit System has been
developed in Informatica and DB2 as a backend database.
Responsibility:
 Job Monitoring and Ticket Maintenance
 Impact analysis and ETL Code Fix
 ColdFusion Code development and Maintenance
Technology:Informatica 7.X, Unix, Oracle 9i, SQL Server 2000, Coldfusion
Client:: AT&T, USA Aug 2004 – May 2005
ABS Datawarehouse Support and Enhancement
Role: Production Support Analyst and Application Developer
Description: The ABS Datawarehouse application has been developed on mainly NCR’s
Teradata and Macromedia’s ColdFusion software, runs on Unix operating system. This
application uses Teradata and oracle as its databases. The AT&T Business Services (ABS) Data
Warehouse collects and stores billing information from various AT&T billing systems. The data
is audited, aggregated and stored for historical examination, retrieval and extracting by the
AT&T sales and marketing personnel. The warehouse is a centralized, integrated source of
data for decision support.
Responsibility:
 Job Monitoring and Ticket Maintenance
 Impact analysis and ETL Code Fix
 ColdFusion Code development and Maintenance
Technology:Informatica 7.X, Unix, Teradata, Coldfusion
Professional Certification
Bachelor of Engineering , Major in Electrical Engineering from Jadavpur University, Kolkata, India, 2003.

Suman saha data architect

Recommended

More Related Content

What's hot (20)

Viewers also liked (12)

Similar to Suman saha data architect (20)

Recently uploaded (20)

Suman saha data architect