Dwh Architect Resume
Albany, NY
SUMMARY
- A good team player with excellent Communication, Problem Solving, and Analytical abilities having 10 Years of Cumulative experience in Dimensional Data Modeling
- Hands on good ETL applications like Informatics Power Centre, Oracle Warehouse Builder, Oracle Data Integrator
- Possess Good Functional and technical knowledge with end to end implementation of Data Warehouse and report development lifecycle
- Experienced in Data Analysis, Data Migrations, Data Profiling and Data quality and Data Cleansing
- Integrate data from multiple source into Data Warehouse through ETL methodologies
- Hands on Experience in Dimensional Data Modeling, Creation of Star Schema with knowledge of Confidential 's Data Modeling Concepts
- Well experienced in creating Packages, Designing and Optimizing queries in SQL and Pl/SQL
- Design and build ETL processes to create an Operational Data store and ETL for relational reporting
Areas of strength
- Banking and Finance
- Logistics
- Incident Management
- Telecom
- Change Management
- M2M Platform
- Supply Chain Management
- Health Care
- Problem Management
TECHNICAL SKILLS
Operating Systems: MS - WINDOWS XP/2000 Prof. MS-WINDOWS NT/2000/2003, AIX 5.2/6.1
Oracle Technologies: SQL, PL/SQL, SQL * Loader
ETL Tools: Oracle Warehouse Builder 11g R2, Informatica Power Center 8.6.1
BI Reporting Tools: Business Objects X1 4.0, R3, R2, Crystal Reports 8, OBIEE, Discoverer
Databases: MS Access, MS SQL SERVER 2000/2005/2008 , Oracle 10g, DB2
Database Tools: PL/SQL Developer 5.1, TOAD 9.5, and SQL*Loader
Scripting Languages: SQL / PLSQLConcepts SDLC Methodology (Waterfall, Agile), RDBMS
PROFESSIONAL EXPERIENCE
Confidential, Albany NY
DWH Architect
Responsibilities:
- Providing Solution, Development and support for the full Systems Development Life-Cycle (SDLC) for Data Warehouse Application
- Responsible for creating and converting BRDs and FRds in to Technical Specs
- Developed aConceptual modelusing Erwin based on requirements analysis
- DevelopedData Mapping, TransformationandData qualityrules for the MDW
- Performed Data Analysis related to Medicare Data Warehouse and create mapping documents
- Provide solutions to implement the ETL logic using OWB application
- Wrote complex queries to analyze the data in order to achieve the accuracy for loading
- Create procedures and views to generate Data Delivery Extracts
- Responsible for analyzing and loading Data from Other External Sources like Flat Files
- Identifying the Changing Dimensions and Implemented the SCD of Type 2 data
- Performed Data Mining,, Data Migration and Validation of Data
Confidential, Herndon VA
DWH Architect
Responsibilities:
- Crated BI Mapping documents and Report Specifications
- Data Analysis of the existing Multi Family TM system Identified the Dimensions, Measures and Identified cubes
- Created BI Metric document identified required attributes from existing MMB reports and mapped to BI Metric sheet
- Analyzed BI tool by interacting with Multiple vendors and Stake holders and produced BI MATRIX evaluation template
- Performed System Analysis, Data Analysis and successfully created mapping specs, Solution Specs and design documents
- Worked closely with the Multifamily Business for implementing the DWH realease1
- Responsible for handling the requirement through IBM DOORS and successfully generated the RTM
- Created mapping document for designing Informatica Maps for Analyst self service utility
- Analyzing business requirements related to Multiple Data warehouse Applications and create maps in Informatica Power Centre
- Successfully performed the System Analysis for Enterprise Data Quality team in the Single Family business handled complex queries and generated various documents
- Created Profiles and Data Quality Rules using IDQ Analyst application
- Created a User Guide for DQ Analyst Self-Service utility analyzing multiple systems
- Designed UA Test Plan document and created UA Test cases for EDQ Rules Platform 6.0
Confidential, Mount Laurel NJ
ETL Architect
Responsibilities:
- Responsible for analyzing business requirements related to Curam Data Model
- Performed extensive Data Analysis for the creation of Curam Data Warehouse
- Created Mapping specs, Solution Specs and Detailed design documents
- Integratedatafrom multiple sources intoDataWarehouse through Informatica
- Designed and Developed maps as per the requirement by making use of the available transformations (Joiner, Routers, Lookups, Rank, Filter, Expression, and Aggregator etc..)
- Provided solutions using various Variables, Procedures and Functionalities using Informatica Suite
- Identifying the Changing Dimensions and Implemented the SCD of Type 2 data
- Used workflow manager for session management, database connection management and scheduling of jobs
- Worked on the performance tuning of the Mappings as well as the sessions
- Developed the control files to load large volume of data into the system via SQL*Loader
- Strong Query Writing and Optimizing skills with Customizing the Views, Stored Procedures, Functions and ensured data migration across various environments
- Responding to and Resolving Database Access and Performance Issues
- Designing Universes and Reports using SAP Business Objects Suite
- Involved in all Analysis, Development, Testing, and Maintenance, as well as resolved problems during implementation
Environment: Oracle 11 g, Business Objects XI R3, UNIX, Curam
Confidential
IT consultant
Responsibilities:
- Responsible for Defining the Data Warehouse Architecture for the creation of ODS and Data Marts
- Created workflows and sessions and handled successful execution of the maps
- Fixing invalid Mappings, testing of Stored Procedures and Functions, Unit and Integration Testing of Informatica Tasks, Workflows and the Target Data.
- Performance tuning and Loading large volumes of data
- Expertise in designing Universes and Reports using SAP Business Objects 4.0
- Expert in designing, developing, maintaining and optimizing the Universes using Business Objects 4.0 Information Design tool and universe design tool
- Designed Complex and Multi dimensional graphical reports in Business Objects 4.0 Web intelligence (BI launch Pad)
- Experienced in Handling Production issues and Providing data Mapping solutions
Environment: oracle 10 g,, Oracle Warehouse Builder, Oracle Data Integrator, UNIX, Business Objects, BMC, BRM
Confidential
Lead Consultant
Responsibilities:
- Responsible for Designing Star Schema by Data Modeling concepts
- Extensively worked in Creating the Physical Model after the Conceptual and Logical Model
- Handled Data Analysis for the Banking operations by creating complex queries
- Designed the Maps using Mapping Operators. Source and Target operators and Data flow operator to Extract the Data and Load it to Operational Data Store
- Experienced in Extracting the Data from T24 core banking system and Oracle ERP system in to ODS using OWB
- Developed a system to Track the Credit History of Customers by using Oracle Warehouse Builder
- Migrated data from legacy systems environments to Data warehouse using OWB ETL transformations
- Tuned and optimized mappings to reduce ETL run times
- Experience in creating, deploying and Successfully testing the MDL packages across various domains after deployment
- Created POSTILLION Data mart using Informatica as an ETL tool
- Built the the maps using transformations like Aggregator, Expression, Filter, Joiner, Lookup, External Procedure, Router & Update Strategy etc
- Experienced in Designing and Developing Reports using COGNOS Reports Studio and COGNOS Planning
- Designing Universes as per the user requirements by identifying the required tables and by defining the universe connections using designer Module in Business Objects XI R3
- Designed Simple, Complex and Multi dimensional graphical reports in Web Intelligence using SAP Business Objects
- Exported the data in Excel Sheet to perform data mining activities
- Made use of the Excel Functions, Formulas, Vlooksups,pivot tables to represent the data as per the management needs
Environment: oracle 10 g, Oracle Warehouse Builder, Oracle Data Integrator Business Objects, MS Visio, MS excel
Confidential
Software Engineer
Responsibilities:
- Effectively Communicate with clients to understand their needs for design and development
- Designed various Maps Using Informatica as the ETL tool and load the data to Operational Data Store
- Extensively used Key operators to Transform and Load the Data to Target Schema
- Creating Targets using other than tables like Flat files Informatica
- Make use of the available Transformations to build the business logic
- Creating Work flows, Sessions and Deploying the MDL packages across various platform
- Designed Universes by selecting the Tables from ODS, developed and created classes with Dimension, Detail& Measure Objects and Specified hierarchies using SAP Business Objects suit
- Created the relations among tables by doing Equi,Complex and Theta Joins in the BO Universe
- Designed the reports like Combined Queries, Slice and Dice, Drill Down, Functions, Cross Tab, Master Detail and Formulae using Web intelligence in Business Objects
- Involved in all Analysis, Development, Testing, and Maintenance, as well as resolved problems during implementation
- Involved in Unit testing, UAT and Publishing the reports for user access
Environment: oracle 10 g, Oracle Warehouse Builder,Business Objects, MS Excel, MS Visio
Confidential
Reporting Analyst
Responsibilities:
- Effective Interaction with the Business Analyst to Understand the Needs and Requirements
- Perform Data Profiling and Analysis of Source Systems; provide data exception reports
- Designed and Managed Universes
- Designed Monthly, Weekly & Daily Report as per operational needs
- Extensively used Free Hand SQL as an External data provider to design reports
- Written Complex queries and Created Reports on Case Management for
- Ensured the better performance by Optimizing SQL queries by creating Indexes and Views
- Created User Conditions and Filters to improve report generation & readability of report and displayed the summary of data by creating Charts
- Used advanced reporting and formatting functionalities while designing the reports
- Perform QA of reports and Publish the reports to Corporate document
Environment: Oracle 9g,Support works, Business Objects, MS access, Business Object