ATANU BISWAS
Email : *********@*****.*** ( Preffered Contact Method )
Phone : 240-***-**** ( R ) / 302-***-**** ( Cell )
Immigration Status : US Citizen
SUMMARY
Have over 14 plus years ( overall twenty five plus years in IT ) Data
Management experience in USA, with concentration on Data Architecture
Management, Data Development and Metadata Management :
. Strong in - Conceptual / Logical - 3 NF ( learned from IBM
Consultants, Anderson Consultants and Sr. Enterprise Data Architects
of J P MorganChase ), Physical Modeling, Business requirement
analysis and Dimensional Modeling ( including conceptual Dimensional
Fact Modeling )
. Other model related Hands-on experience in -
Compare and Merge, Generation of DDL, Version control, Defect
Resolution, Data Analysis
Exposure to Industry Models - IBM Retail Data Warehousing Model, IBM
Insurance
Warehouse Model ( IIW )
Customized UML Class Diagrams ( IBM Insurance Business Objects Model )
based on
Use Cases
. Experience with ---
a) Creating XML - Schema with tools like XML SPY,Rational Rose,
Rational Rosescripts
b) Informatica Metadata Manager
Exposure and experience with NIEM ( National Information Exchange Model )
Exposure, experience and knowledge of --- Data Management Principles, Data
Governance ( Data Management Council, Data Review Board and Data
Stewardship ), Metadata Management, Data Standards, Data Flow Diagrams
and BPMN Models
Exposure and knowledge of Data Architecture related DIV/1/2/3 of DoDAF
( Department Of Defence Enterprise Architecture Framework ), Data
Reference Model of FEA ( Federal Enterprise Architecture Framework )
RDBMS ( Optimization, Indexing, Constraints ) --- Oracle 11.x ( PL/SQL ), Teradata
12.x, DB2 V 8.2
EDUCATION :
Bachelor Of Engineering in Mechanical Engineering from National Institute
Of Technology, Durgapur ( West Bengal ), India. Specializing in Industrial
Engineering and Material Handling
Proffesional Training :
. Retail Enterprise Model of IBM, IBM Insurance Business Object Model,
Rational Rose UML Tool
. Informatica Powercenter / Powermart 5.x
. Embarcadero Describe 5.0 ( UML Tool ) and ER-Studio 7.x
Experience in USA
Data Architect / Sr. Data Modeler
Mar'2014 --- Present
NCI Informations Systems, Inc
Working, for a project with Federal Agency, with Enterprise Data
Management team ( reporting to Chief Data Officer ). Responsibility
. Since agency has started re-engineering their legacy applications,
playing temporarily, the role of a Data Analyst for analyzing the "
Tracking " and " Licensing " subject areas using the information in the
reversed-engineered Data Models and the Enterprise Repository Data
elements.
? Based on the analysis - Conceptual Models are being
developed and will be mapped to the Enterprise Process Model.
. Worked for the Licensing Subject area -- creation / documentation
of the Prototype Data-mart Model ( using Ralph Kimball approach ) .
? Study of the Requirement document prepared by Business
Analyst
? Document measures / hierarchies for Fact - Dimension,
using Dimensional Fact Modeling ( DFM ) approach
? Creation of the Bus Matrix for Conformed dimensions
? Analyzing canned reports and identifying measures (
existing )
? Source to Target Data Mapping, Source data analysis
? Conformed Entities -- Identifying / creation of conformed
entities to be shared across Licensing System
. Suggest approach plan for existing Legacy Metadata Repository data
elements, for improvement in terms of -- redundancy, duplications,
naming standards and business definitions ( where applicable )
. Gain knowledge of Amazon Web Services ( AWS ), Amazon Redshift, MongoDB
and Accumulo
Tools Used : PostgreSQL 8.x ( along with pgAdmin tool ), Oracle 11x,
PowerDesigner, SAP Business Objects 4.1, Rapid SQL, Informatica Analyst (
data profiling )
Data Architect / Sr. Data Modeler
July' 2013 --- Mar'2014
Fannie Mae,Tenlytown - AU, Washington DC
Worked, on contract, with the Enterprise Data Governance and Management
Office of Fannie Mae . This department is responsible for the Enterprise
Data Architecture artifacts ( Enterprise - Conceptual and Logical Data
Model ( Cannonical Data Model ), CORE / Enterprise Data Glossary, Data
Governance and Data Quality, Enterprise Repository Management ( EMR ).
As a team member with Securities and Party subject area, responsibility
includes ---
. Creation of the Securities and Party ELDM subject area ( using top-
down and bottom-up approach )
o Attend work sessions with Business Analyst / Data Warehouse
Analyst -- for eliciting business requirements, designing the
Security and Party Conceptual and ELDM ( top-down approach )
o Analysis of existing Data-warehouse Model, Data-mart
Models,source application models, PL/Sql source codes --- for
understanding the data objects to be modeled ( bottom-up
approach )
o Reconcile Business requirements, Process Model and Enterprise
Logical Data Model ( ELDM ) and create the CRUD Matrix
o Provide input to creation of the Integrated ELDM Model showing
relationship between subject areas - Security, Party, Loan,
Agreement, Property
o Based on scenario's provided - creation of individual subject
area based Message Models, with controlled de-normalization and
hierarchy leveling and converting the same to XML - for defining
standard data formats and semantics for the data being exchanged
between systems
o Data Governance activities ---
. Model review, Model defect capture and resolution
. Validating metadata with
. Mortgage Industry Standard Models ( MISMO ) and
. CORE / Enterprise Data Glossary
. Generate Data Model Quality Control Reports
. Class Word check, Primary Qualifier check,
Abbreviation check
. Escalation of requirement issues to Management
Tools Used : ERStudio with repository, Enterprise Metadata Repository ( EMR
/ IMR ) using Informatica Metadata Manager,Mortgage Industry Models (
MISMO, SIFMA ), IBM Rational ClearQuest
Data Architect / Sr. Data Modeler
Oct'2012 --- June 2013
United States Patent and Trademark Office ( USPTO ), Alexandria, VA
Worked with the Enterprise Data Management Group of USPTO on behalf of
ManTech International. The group owns the EDW Model and is also responsible
for Enterprise Data Governance . Due to the re-engineering effort going on
across USPTO, as a member of the group responsibility includes
. Creation / Maintenance of EDW Model ( Dimensional Model ) based on re-
engineering Project requirements
. Based on related Business Requirement document, reviewing and
approving ( with the goal of ensuring data quality ) the --- source-to-
target mapping document, ETL mappings documents showing the
new/updated/changed data structures for the Target ( EDW )
. Complete the data modeling efforts for individual BI/DW projects
ensuring the consistent use of data element names, data types,
business definitions as well as domain / range values
. Data Governance activities ---
o Ensure that Enterprise Information Repository ( Rochade ) is
maintained across multiple systems, and particularly the
metadata for the EDW
o Provide EDW data model version control and reconciliation with
Production
o Reviewing the re-engineered source data model for adherence to
USPTO Data Modeling Standard
Tools Used: IBM Infosphere Data Architect, Enterprise Information
Repository ( Rochade ), IBM Clearcase
Data Architect ( Enterprise )
April' 2011 --- Sept'2012
Science Application International Company ( SAIC ), Washington DC
Worked with Enterprise Data Architect Group of SAIC for projects related to
Immigration and Customs Enforcement ( ICE ), a division of US Homeland
Security. This group is responsible for, creating the Enterprise Data Model, perform Value Chain Analysis ( Gap Analysis, CRUD ) and follow the
Federal Enterprise Architecture ( FEA ) framework. As a member of the team
responsible for the following tasks ---
. Device Enterprise Conceptual Data Model and Enterprise Logical Data
Model using both top-down ( Business Requirements, Process Model )
and bottom-up approach (( the source models are - a) Data-warehouse
Model, b) Dimensional Models of ICE specific subject areas and c)
Application source models )) along with Data Dictionary Repository
and Metadata
. Mapping the ICE Conceptual Model to the Department Of Homeland
Security Enterprise Conceptual Model
. Contribute to, the creation of context and structures ( Domain
Model - Class Diagram for a scenario ) required in the
information exchange between DHS domains ( NIEM ), in terms of
providing table / column mapping existing in Enterprise
Conceptual Data Model, Enterprise Logical Data Model of ICE for
the IEPD Domain Model classes and contents
. Data Analysis of existing data and PL/Sql codes
. Interact with Enterprise Business Engineering group to reconcile
Business Requirements, Process Model and Enterprise Conceptual Model
to create a Gap Analysis checklist
. Responsible for reviewing source models ( E-R and Dimensional ) as per
Data Management Plan ( DMP ) of Immigration and Customs Enforcement (
ICE )
Tools used --- Oracle Database 11.x, ERWin 8.x / 7.x ( with Modelmart
), ERWin Process Model
Data Architect - Design ( Enterprise )
July' 2010 - March'2011
DeCA ( Defence Commissary Agency ), Fort Lee, VA
Worked with Business Information Engineering - Enterprise Data Management
group of DeCA ( Defence Commissary Agency --- Department Of Defence ) in
Fort Lee,VA on behalf of Claraview ( a division of Teradata ). The group is
responsible for creating Business Information Models ( BIM ), Enterprise
Logical Data Model, Data Governance Standards and Policies along with Meta-
data Repository for structured and unstructured data as per DoD
Architecture Framework (DoDAF).
As a member of the team responsible for following tasks
. Gaining knowledge of the existing EDW ( Teradata ) Logical and
Physical Model, including views and aggregates
. Used SAP - Business Objects Designer to create and load
structured data in Informatica Metadata Manager (IMM) tool -
from BO Universe and EDW Database ( in Teradata ), which in
turn will be connected to Master Data, Reference Data populated
from ELDM
. Extend the existing draft Conceptual Data Model with information
collected during workshops conducted by Claraview and Gartner
with DeCA's SME's, Store and department heads for Contract and
Resale Item functional areas
Tools used --- Teradata Database 12.0, Teradata SQL Assistant, BO
InfoView / Designer ( Enterprise X1 Release 2 ) and Informatica Metadata
Manager 8.6.1, Systems Architect 11.x
Data Solutions Architect
Sep' 2006 - June'2010
JPMorgan Chase, Wilmington, Delaware
Responsible for the Marketing Services ( Credit Card Services )
application ( Campaign and Offer Mgmt. System, Premium Rewards Engine )
and Data-marts ( Reporting and Analytical Environment ( RAE ) ), in terms
of ---
. Participate in requirement gathering activities for defining
the scope, detail requirements and any business rule change
or changes to source feeds
. Issue resolution with the business team to ensure business
requirements are understood, aligned with and supported by
the data model.
. Focus to ensure that the business requirements are supported
by the model and that best practice design concept are
maintained
. As part of Data Governance
. obtaining approval from the Data Review Board for any new
/ enhancement to existing Data Models in terms of data
modeling standards and requirement capture
. as a data custodian, work with Data Stewards in order to
obtain approval from the Data Management Council for
addition of a control data element ( which may be termed as
Enterprise Level ) and related Valid values
. convert models to XML format and upload to Enterprise
Metadata Repository for sharing of metadata across
enterprise
. perform data profiling and upload relevant data to a
repository -- used by Data Stewards for data quality
. Maintain model versions in ERWin Modelmart
. Involved with review / enhancements / maintenance of the
departments Reporting And Analytical ( RAE ) Data Mart model
( in Oracle ) along with Data Integration activity ( used
Informatica 8.x ), related to Marketing Campaign for
prospective customers. Data is sourced and integrated from
Prospect Database ( designed and maintained by third party )
and the companies Mkt. Campaign Planning database. The data
mart stores multiple Fact tables - Product Campaign Response,
Aggregated Facts ( for various dimensional hierarchy ) along
with Dimensional tables.
Data Architect / Data Modeler
Dec' 2004 - July'2006
The Children's Place, Garment Designer, Manufacturer & Retailer, New
Jersey
As a Data Architect / Data Modeler with Business Intelligence & Data
Warehouse department, performed following ( tools used --- ERWin 7.x,
ERStudio 7.x / 6.6.2 and DB2 V 8.2 as Repository Database ) ---
. Worked on RDWM ( the Retail Data-warehouse Model of IBM ) to be
used in the Central Data-warehousing project.
. Participate in discussions with IBM Consultants and
department team members, for understanding the
Enterprise Model for customization
. Customization of the model in terms of - creation,
updation of entities, attributes and relationships,
using the source applications Transaction Log files
. Creation of Source-to-Target Data Mapping
. Create / maintain Metadata and SQL Views for use in BI
Tool ( BRIO )
Web based Order Management System (E-Commerce )
1. Study of XML documents related to on-line order ( processed
by third party Amazon and also the firms website ) and used
as base input for the design of the Logical Model and
Physical Model E-R Model
2. Additional application requirement gathering through JAD
Sessions and User Interviews
3. DDL Generation
Requirement Modeler
Sep'1999 - Sep'2004
State Farm Insurance, Bloomington, IL
. Worked ( as a Contractor ) with Enterprise Model Administration
Department, and performed following work (using ERWin-Modelmart 4.1 )
o Worked with Business Analyst and Team Lead, to document the
hierarchies involved for the identified Dimension tables in the
Distributor Database and rolling-up the same.
o Attend review meetings and maintained the Dimensional Model of
Fire Claim, Fire Billing, Bank Deposits and Mortgage Loans
o Participated in ETL design sessions, using Informatica
Powercenter 7.x / 6.2.1 / 5.2 ), and gained knowledge related
to Informatica mappings / sessions / workflows ( only
start task and the session - executed thru pmcmd from a unix
script, as the company has their own workflows and scheduling
system ), performance tuning for mappings, Lookup ( static
cache ) Transformation, Expression Transformation, Filter
Transformation, Sequence Generator Transformation, Mapplets
with Input Port, Update Strategy Transformation and Joiner
Transformations in most of the mappings. Used Type I and Type II
Dimension Table updates.
o Customization, from Use Cases, of IBM Insurance Application
Enterprise Architecture models - Business Object Model and
Interface Design Model using Rational Rose
o For the firms EAI project ( with guidance from IBM Consultants )
--- written Rational Rose Scripts for
. Generating XML Schema definition ( using Rational Rose REI,
Embarcadero Describe Tool and XML Spy and MSXML 3.0 Parser)
from the Sequence Diagrams of IBM Business Object Model
o Customized and maintained the Enterprise Insurance Business
Object Model . Used Use Cases to Customize the Class Diagrams
and create Sequence Diagram, Activity Diagram.
Experience in India( Mumbai )
Solution Architect / Sr. System Analyst :
. Worked on a project for Videocon International Ltd., a consumer
electronic and home appliance manufacturing company in technical
collaboration with Toshiba, Japan. Some of the modules in this system
were: product management, reception, and job allocation. The platform
was Oracle 7.3, Developer 2000 and Unix
o Responsible for the requirement study, data modeling using
Oracle Designer 1.3, design, and user interaction .
. Worked on an Electronic Planning and Organizing system for an
advertising agency based in Germany. The system prepared a master
schedule (hourly, daily, quarterly, time slots) at the beginning of a
year for various stations attached to it. Other features of the system
were billing, reporting, and analysis.
. Worked on an office automation system, for chartered accountancy
company based in the United Kingdom. The modules covered were:
address manager, functional manager, document manager, staff manager,
correspondence manger, automatic faxing, and OLE.
o Tools and platform used for both above projects were : Windows
based PC, High end server (Compaq), Oracle 7.1/7.3, Power
Builder 4.0, Windows 95, UNIX, ER-Win3.0, Windows NT, VC++/MFC
5.0, SQL Server 6.5 / 6.0
System Analyst
. Worked on various projects --- inventory management system, credit
card system, airline booking package system online spare parts and
invoicing system. Tools and platform used were : Acer 486 PC, Oracle
6.0, SQL*Forms 3.0, Pascal, SCO UNIX, Windows 3.1