SUMMARY

• 8 years of professional experience in Data Modeling, Data Analysis and design of OLTP and OLAP systems.
• Extensive experience in the Data Warehousing implementations for Retail, Financial, Insurance and Banking Industries.
• Experience in designing star schema (identification of facts, measures and dimensions), Snowflake performance in relational and dimensional database environments.
• Strong experience working with conceptual, logical and physical data modeling.
• Worked extensively schema for Data Warehouse, ODS architecture by using tools like Erwin data modeler, Power Designer, Embarcadero E - R Studio and Microsoft Visio.
• Having good knowledge in Normalization and De-Normalization techniques for optimum on XML data and XSD schema designing.
• Experience working with Agile and Waterfall data modeling methodologies.
• Experience working with Zachman framework.
• Experience in designing a canonical model.
• Experience in Ralph Kimball and Bill Inmon approaches.
• Extensive experience analyzing business requirements and system functional specifications including use cases; facilitated and participated in Joint Application Development (JAD) sessions, white board sessions to resolve the revolving issues and facilitated the coordination between the teams.
• Expertise in UML (class diagrams, object diagrams, use case diagrams, state diagrams, sequence diagrams, activity diagrams, and collaboration diagrams) as a business analysis methodology for application functionality designs using Rational Rose and MS-Visio.
• Worked with various RDBMS like Oracle 9i/10g/11g, SQL Server 2005/2008, DB2 UDB, Teradata.
• Extensive experience in development of T-SQL, Oracle PL/SQL Scripts, Stored Procedures and Triggers for business logic implementation.
• Experience in Data transformation and Data mapping from source to target database schemas and also data cleansing.
• Experience in SQL and good knowledge in PL/SQL programming and developed Stored Procedures and Triggers.
• Experienced in Data loading using PL/SQL Scripts and SQL Server Integration Services packages (SSIS 2005/2008).
• Experience with DBA tasks involving database creation, performance tuning, creation of indexes, creating and modifying table spaces for optimization purposes.
• Performed extensive Data profiling and analysis for detecting and correcting inaccurate data from the databases and to track data quality.
• Having very Good exposure to ETL tool like Informatica.
• Building reports using SQL SERVER Reporting Services (SSRS 2005/2008), Crystal Reports and Business Objects.
• Experience in using TOAD for data analyst.
• Excellent communication skills, self-starter with ability to work with minimal guidance.

TECHNICAL SKILLS

Data Modeling Tools: Erwin Data modeler, Rational Rose 2000, MS Visio 2007/2010, ER Studio

Databases & Database Tools: MSSQL servers 2000/2005/2008/2012 Oracle 9g/10g/11g, MS Access 2003/2007/2010 , Teradata, DB2,TOAD9, Data Stage, Informatica 8.

Reporting Tools: Cognos 8, Business Objects XI, Crystal Reports, Actuate Reports 10, OBIEE

Programming Languages: UML, XML, XSD, XSLT, HTML, JavaScript, .Net, C, C++, Java.

PROFESSIONAL EXPERIENCE

Confidential, Jersey City, NJ

Senior Data Modeler/Analyst

Responsibilities:

• Analyze BRD/TRD user requirements for reports, forms, queries, and data extraction to obtain a comprehensive understanding of the business requirements.
• Create and maintain data mappings, transformation logic (for logical and physical models) to support implementation and ongoing maintenance of the operational data stores and warehouses.
• Create and document data profiles to drive data modeling and source to target mappings.
• Working on Data Warehouse Designer.
• Worked on P&C Insurance background (Property and casualty)
• SQL Skills to query SQL databases and experience in reporting and data validation
• Experience on Lenders, Claims & Premiums Data Marts & Facets.
• Possesses excellent oral and written communication skills and works well in team environment.

Environment: Sq1 Server 2016, DB2, ORACLE Toad for Oracle 9.1, Modeler 7.6, Erwin Model Manager 7.2.8, MS Visio, XML, Tableau.

Confidential, Worcester, MA

Data Modeler/Analyst

Responsibilities:

• Working with business users to gather the business requirements.
• Initially phase designed the specialty marine data model for Contractor’s Equipment and now working on enhancing this model for additional Inland Marine product offerings.
• Worked with ACORD XSD structure and Property and Casualty Insurance data model.
• Used the design of Inland Marine data model to design an Inland Marine policy XSD, which will borrow heavily from ACORD and will be the first step in building the canonical XSD for the Print Factory.
• Because of the nature of Inland Marine, there are quite a few entities and elements that do not fit a traditional P&C model and they were accommodated into the model accordingly.
• Created lot of reference data for this application.
• Worked extensively with XSD, WSDL.
• Maintaining change logs, Sub models.
• Extensively using the Erwin design tool & Erwin model manager to create and maintain the versions of the Inland Marine data model. Created integrity rules and defaults.
• Created documentation and test cases, working with users for new module enhancements and testing.
• Experienced in Working with Erwin Data Modeler 9.64

Environment: Sq1 Server 2010, DB2, ORACLE Toad for Oracle 9.1 Expert, Modeler 7.2.8, Erwin Model Manager 7.2.8, Greenplum, MS Visio, JAVA, XML, XML SPY, Windows XP, WSFTP Pro 99, QC Explorer.

Confidential, MA

Data Modeler/Analyst

Responsibilities:

• Gather the various requirements from the business analysts.
• Gather all the Sales analysis reports prototypes from the business analysts belonging to different Business units; Participated in JAD sessions involving the discussion of various reporting needs.
• Reverse Engineering the existing data marts and identified the Data Elements (in the source systems), Dimensions, Facts and Measures required for reports.
• Conduct Design discussions and meetings to come out with the appropriate Data Warehouse at the lowest level of grain for each of the Dimensions involved.
• Designed a STAR schema for sales data involving shared dimensions (Conformed) for other subject areas using Erwin Data Modeler.
• Created and maintained Logical Data Model (LDM) for the project. Includes documentation of all entities, attributes, data relationships, primary and foreign key structures, allowed values, codes, business rules, glossary terms, etc.
• Validated and updated the appropriate LDM's to process mappings, screen designs, use cases, business object model, and system object model as they evolve and change.
• Conduct Design reviews with the business analysts and content developers to create a proof of concept for the reports.
• Ensured the feasibility of the logical and physical design models.
• Worked on the Snow-flaking the Dimensions to remove redundancy.
• Designed Sales Hierarchy dimensions to handle sales hierarchy reporting historically and dynamically.
• Worked with the Implementation team to ensure a smooth transition from the design to the implementation phase.
• Worked closely with the ETL Developers to explain the complex Data Transformation Logic.
• Employed naming standard editor for defining new naming standards for the entities, attributes, domains, columns and tables that applied consistently all over the enterprise.
• Implemented slowly changing dimensions Type2 and Type3 for accessing history of reference data changes.
• Provided source to target mappings to the ETL team to perform initial, full, and Incremental loads into the target data mart.

Environment: SQL Server 2008, SQL Server Analysis Services 2008, SSIS 2008, SSRS 2008, Crystal Reports7.5/8.0, Windows 2000, Cassandra, Micro strategy 9.3,Crystal Enterprise8.0, Erwin,Informatic Power Center, power designer, CSV files, XML files, Business Objects,Oracle10g.

Confidential, Jacksonville, FL

Data Modeler/Analyst

Responsibilities:

• Involved in gathering requirements from Business System Specialist and also involved in discussions with BSS for dashboard design.
• Involved in Analysis, profiling and cleansing of source data and understanding the business process.
• Built ODS integrating the source systems for ad-hoc reporting.
• Used Erwin for reverse engineering to connect to existing database and ODS to create graphical representation in the form of Entity Relationships and elicit more information.
• Built conceptual, logical and physical models using Erwin.
• Used Normalization techniques to normalize the data in ODS.
• Forward Engineered the physical data model and generated DDL script using Forward Engineering option in Erwin.
• Identified facts and dimensions based on KPI and also identified the source tables.
• Built Conceptual, Logical & Physical start schema using Erwin.
• Created STTM documentation for data mart integrating different source systems.
• Involved in documentation of Data Mapping and ETL specifications for development from source to target.
• Also implemented the change Data Capture (CDC) while integrating the enterprise data sources.
• Created Indexes and Partitions to optimize the performance.
• Assisting ETL Team, BI team and end users to understand the data model.
• Facilitated in developing testing procedures, test cases and User Acceptance Testing (UAT).

Environment: Erwin, Oracle 12c, JDE 9.0, IBM DataStage 11, Congo’s Framework Manager, SQL Developer, MS Office, Crystal Reports.

Confidential, Houston, TX

Data Modeler/Analyst

Responsibilities:

• Worked with business analyst to gather information on requirements
• Documented Technical & Business User Requirements during requirements gathering sessions.
• Gathered business requirements through interviews, survey with users and business analysts.
• Involved in preparing logical data models and conducted controlled brain-storming sessions with project focus groups.
• Conducted team meetings and JAD sessions
• Involved in business process modeling using UML through Rational Rose.
• Used Rational Requisite Pro to document technical requirements and business user requirements.
• Worked with analysts to create reporting universes in Business Objects.Provide mentoring, guidance and training on how to use the Business Objects reporting and analysis tools.
• ImplementCognosFM, cube and report development to support business user to identify opportunities for improvement in operations and processes
• Created logical data model from the conceptual model and its conversion into physical database design.
• Extensively used star schema methodologies in building and designing the logical data model into dimensional models.
• Involved in dimensional modeling, identifying the facts and dimensions.
• Implemented referential integrity using primary key and foreign key relationships
• Identified and tracked slowly changing dimensions and determined the hierarchies in dimensions
• Used ERwin tool for relational database and dimensional data warehouse designs
• Reverse Engineered DB2 databases and then forward engineered them to SQL Server 2000 using Erwin, Power Designer
• Produced entity/process relationship matrices, entity-relationship graphs, efficient decomposition diagrams and statistics flow diagrams
• Developed logical data model using Erwin and created physical data models using forward engineering in generating DDL scripts and creating indexing strategies
• De-normalized the database to put them into the star schema of the data warehouse
• Created documentation and test cases, worked with users for new module enhancements and testing
• Understood existing data model and documented suspected design affecting the performance of the system
• Conducted logical data model walkthroughs and validation
• Supported clients of theCSGand AMDOCS billing system and Report Store application in a Tier 2/3 capacity by addressing issues related to functionality, reporting tools, CSG, AMDOCS developments.
• Identify the potential customers from the given data base and counsel the organization on ways of converting them to loyal customers as a part of CRM.

Environment: DB2, SQL Server 2000,Hyperion Essbase, Informatic Power Center, Erwin r8, Microsoft Visio, Rational Requisite Pro, Rational Rose, Windows 2003 Server.

Confidential

Data Modeler/Analyst

Responsibilities:

• Conducted JAD sessions, wrote meeting minutes and also documented the requirements.
• Collected requirements from business users and analyzed based on the requirements.
• Designed and built Data marts by using Star Schema.
• Involved in designing Context Flow Diagrams, Structure Chart and ER- diagrams.
• Extensive system study, design, development and testing were carried out in the Oracle environment to meet the customer requirements.
• Serve as a member of a development team to provide business data requirements analysis services, producing logical and Physical data models using ERwin.
• Maintained current documentation for all primary and backup responsibilities.
• Worked as part of a team of Data Management professionals supporting a Portfolio of development projects both regional and global in scope.
• Applied organizational best practices to enable application project teams to produce data structures that fully meet application needs for accurate, timely, and consistent data that fully meets its intended purposes.
• Conducted peer reviews of completed data models and plans to ensure quality and integrity from data capture through usage and archiving.

Environment: ERwin 4.0, Power Designer, Sybase 12, Windows NT, MS Excel, MS Visio, DB2, Oracle 10g/9i, XML files, Agile SCRUM, Embarcadero, SCRUM/XP, ER studio, Congo’s Impromptu and Power Play, Business Objects.

Confidential

Data Analyst

Responsibilities:

• Responsibilities included gathering and preparation of requirements, functional specifications, technical specifications and the design of the database.
• Developed programs using Visual Basic 6.0.
• Prepared the test cases, test plan for testing the Programs.
• Testing responsibilities included unit testing, integration testing, and business acceptance testing.
• Created stored procedures and maintained internal applications.
• Modification of all databases via indexing of tables, MS SQL Server 2000 design parameters and stored procedures SQL code optimization.
• Provide expertise and recommendations for physical database design, architecture, testing, performance tuning and implementation.
• Identified and determined security violations, the causes of it and recommend corrective actions to ensure data security.
• Experience in off-hours on call support, handling resolution of issues on business critical production.

Environment: SQL server 2000,MS SQL server Analysis Manager,Informatic Power Center, SQL Navigator, Erwin, Windows NT, Crystal Reports.