RAGHU GOLLA                                    Phone: 708-560-4322

                                                                                                                             Email:raghu_yadav@yahoo.com

                                                                                                                                            Golla.raghavendra@gmail.com

PROFESSIONAL SUMMARY

·         13 years of experience in Information Management end-to-end Data Warehousing, Business Intelligence, Data Integration & Data Migration.

·         Developed Data Warehouse roadmap, strategy and architecture, enterprise data warehouse, ODS, dimensional data marts and end user reports.

·         Design solution approach of data warehouse implementations, Implement best practices, perform BI assessment of client projects.

·         Hands-on Experience of Data warehousing, ETL,OLTP,OLAP,ROLAP,MOLAP BI reporting tools, methodologies, 3NF & Dimensional modeling, Solution architecture, Technical architecture, Data Profiling, Data cleansing technologies and testing strategies. 

·         Business Analysis - Conducted JAD sessions/workshops for Functional and Non-functional requirements gathering for Data Warehousing projects , developed test cases , Traceability Matrix.

·         Project management Project initiation, scoping, estimation, costing, planning, Risk Management, finalization of technical / functional specifications, communication management, resource administration & optimization, and quality management of the product.

·         Extensive experience in Relational and Dimensional Data modeling for creating Logical and Physical Design of Database and ER Diagrams using multiple data modeling tools like ERWIN, ER Studio.

·         Good knowledge and understanding of open source databases,ETL and reporting tools like Hadoop ,R, Rapidminer ,Talend ,Infbright ,Greenplum,Pentaho.

·         Good understanding of HIPAA compliance and requirements.

·         Expertise in writing the proposal of data warehouse and BI projects.

·         Expertise in Reporting tool Business Objects Enterprise products namely- Business Objects XI R-2/XI 3.1/4.0, 6.5/6.1/5.1.8, Administration, Designer, Web Intelligence, crystal 2008, xcelsius,Qlik view and actuate.

·         Responsible for all activities related to the development, implementation, administration and support of ETL processes for large-scale data warehouses.

·         Extensive experience in Designing the Architecture for Extract, Transform, Load environment

·         Expertise in doing the assessment to choose reporting tools and solution design.

·         Expertise in dimensional modeling, star schema and snowflake schemas, Ralph Kimball and inmon methodologies.

·         Expertise in installing and set up the database environment of MS SQL server 2005/2008 and Oracle 10g/11g.

·         Expertise in Human resource (HR), sales,Mortgage,Auto loan,BOM(Built of Material), and health care data.

·         Expertise in designing the different securities in business objects using Virtual Private Database (VPD).

·         Expertise in back and recovery process of reporting and database systems.

·         Expertise in Designing, Developing and managing the complex universes

·         Worked with Dashboard ,Metrics and Key performance Indicators of Performance management

·         Expertise in schedule the session and workflows using tidal scheduler.

·         Expertise in offshore and onsite work model.

·         Team lead with excellent Interpersonal Skills and self-starter, capable of working independently.

·         Have the ability to set and achieve project goals, emphasizing a team approach to produce results.

 

EDUCATION

·         Master in Information Technology.

 

CERTIFICATIONS

 

·         Completed  PMP training from MPROi,LLC

·         Certified in Business object web intelligence XI 3.0(QAWI201V3.0).

·         Informatica 8.0 certified designer from Informatica Corporation.

 

TECHNICAL SKILLS

BI Tools:              Business ObjectsXI- R2, XI- 3.1/4.0 (CMC/CMS/CCM), 6.x/5.x (Supervisor, Designer, Reporter) Web Intelligence,Actuate,Qlik view,SSRS,Crystal

ETL:                                                                      Informatica 7.1 (Power Mart, Power Center 6.2/5.1),BODS, SSIS

Databases:                                                        Oracle 11/9i/8i/7.x, SQL Server 2008, DB2 UDB 8.0,Natezza.,Teradata.

Open Source:                                                        Hadoop ,R, Rapidminer ,Talend ,Infbright ,Greenplum,Pentaho.

Data Modeling:                                                        Erwin 8.0,EMBARCADERO ER Studio, VISIO

Languages:              C, C++, Java, COBOL, Perl, Visual Basic, SQL, PL / SQL and UNIX Shell Scripting

Operating Systems:                                          UNIX, Solaris 2.8, Linux, Microsoft Windows 9x/00/NT/XP, MS-DOS

Internet Tools:                                                        HTML, DHTML, XML, XSL, ASP, Java, JavaScript, VBScript,

                                                                          Shell Scripting

 

 

Professional Experience

 

Blue lynx media, Lewisville, TX                                                                                    Aug 2012 – Till date

DW Architect

 

Responsibilities

.

·         Designed the sizing and capacity planning of database and BI environment.

·         gather the requirements from users and created the requirements and functionality matrix document.

·         Reviewed the logical model with Business users, ETL Team, DBA’s and testing team to provide information about the data model and business requirements.

·         Design the logical and physical data model of  BLM and DSI projects using data modeling tools.

·         Install and configure the database and BI Tools.

·         Involved in performance tuning of database quires and reports.

·         Created the solution design document and involved in resource planning.

·         Governess the database standards and ETL strategy.

·         worked on agile methodology.

 

Environment: SQL server 2008,Windows server 2008,Orcle 11g,BO 4.0, 9.0,Orcle 11g, Erwin8.0,Visio, xcelsius 2008,Dashboard design.

 

Bell Helicopters,Hurst,TX                                                                                    March 2012 – July 2012

DW Architect

 

Responsibilities

.

·         Worked on Bill of material data(BOM).

·         Analyzed existing logical data model (LDM) and made appropriate changes to make it compatible with business requirements.

·         Involved in logical and physical design of the data warehouse using Erwin data modeling tool

·         Migrating the data from SAP,Kronos and Crams data to Oracle for adhoc reporting.

·         Involved in ETL planning and design strategy.

·         Design the Business Intelligence strategy for reporting

·         Creating Quality module canned and adhoc universe and reports.

·         Involved in reporting testing and ETL testing on Quality module.

·         Involved in user engagement and  UAT planning.

 

Environment: SAP BW 7.0,Business Objects XI 3.1 SP3/4.0,Qlik view 9.0,Orcle 11g, TOAD,BODS Window 2008 R2, Erwin8.0.

 

 

Department of  veterans affairs

Omaha, NE,Austin TX                                                                                       Sep 2010 – Feb 2012

Data Architect/Data Modeler

 

Responsibilities

.

·         Responsible for timely and accurate strategic solutions through architectural blueprints, road maps, standards, and guiding principles that are aligned with TOGAF.

·         Working horizontally across all IT Technology domains as well as Business Applications to identify opportunities for improving efficiency, enhancing quality of services, and reducing cost.

·         Developing road maps for technology rationalization and enabling use of open source products in various domains.

·         Meet with technical and business staff to document the requirements and current process for data warehouse solutions.

·         Implement best practices and methodologies in data analysis, design and modeling.

·         Reengineering the Healthcare claims processing system(HCPS).

·         Involved in PCM to QC migration.

·         Modify the existing SSRS report according the new requirements.

·         Migrated the adhoc report from SSRS to Business objects.

·         Designed the reporting environment for veterans department.

·         Designed the OLAP and OLTP environment for reporting.

·         Designed and document architectural standards and technical standards in the enterprise data architecture.

·         Involved in the assessment and conducted the interviews with user in requirement gathering phase.

·         Involved in the user calculations and sizing of reporting system.

·         Translating business requirements into conceptual, logical, and physical data models.

·         Involved in SAP product licensing and software download process.

·         Involved in data model for designing of warehouse.

·         Pull the data from vista database using SSIS packages.

·         Responsible for design, support and maintenance for the ETL processes using Informatica

·         Developed schedules to automate the update processes and Informatica Sessions/Batches.

·         Distributed the requirements to team member and check the status of the work.

·         Involved in the tuning of the quires by applying the performance techniques.

·         Create the aggregated tables and load the tables using the stored procedures.

·         Created the Classes, Objects and predefined conditions for management system to generate adhoc reports

·         Created the custom hierarchies for drill down and drill up..

Environment: Business Objects XI 3.1 SP3/4.0,Qlik view 9.0, SQL server 2008, TOAD, Window 2008 R2, Erwin8.0.,Informatica 8.6,SSIS,SSRS

 

HEWLETT-PACKARD,Houston,TX                                                                                                   July 08 – May 2010

Data Architect/BI Architect

HP (HEWLETT-PACKARD) was founded in 1939.HP is a world’s largest IT companies company that operates in more than 170 countries around the world.

Responsibilities

.

·         Designed and developed the survey admin tool project.

·         Designed and Developed the HR data warehouse project.

·         Translating business requirements into conceptual, logical, and physical data model.

·         Worked on data profiling and data validation to ensure the accuracy of the data between the warehouse and source systems.

·         Did the sizing and capacity planning for BI environment.

·         Install the Integration kit for SAP integration.

·         Did the analysis on SAP Info cubes and SAP –Bex quires.

·         Design and implement he Virtual Private Database (VPD) security for business object reports

·         Worked in complete life cycle of Business warehouse reengineering project.

·         Involved in data model for designing of warehouse.

·         Distributed the requirements to team member and check the status of the work.

·         Created the mappings for load, stage and core schemas.

·         Modify the existing shell scripts to call the workflows in tidal scheduler

·         Created the job groups and jobs for schedule the workflow in tidal scheduler.

·         Written loading scripts for dimension and fact table for warehouse.

·         Created the universes for Contingent Workforce and Employee Information combined for the Integrated Data Warehouse between HP and EDS for Ad Hoc reporting.

·         Created the view and materialized for universe creation.

·         Involved in the tuning of the quires by applying the performance techniques.

·         Setup the object level and row level securities to restrict the user to access the particular data

·         Restrict the user to use detail objects as conditions by uncheck the advance properties.

·         Tune the SQL quires using explain plan.

·         Do the analysis ETL mappings for performance tuning.

·         worked on XML data sources.

·         Involved in the training of the user for ad hoc reporting and taught the different functionalities of business objects.

Environment: Business Objects XI R2,XIR3,Oracle 9i, Oracle 10g, TOAD, PL/SQL, Window vista, UNIX, Informatica 8.3,Tidal.SQL server 2008.erwin7.0, Integration KIT SP2 FIX PACK 2.5, SAP BW 7.

 

Dell  Inc,Austin,TX                                                                                                                               Nov 07 –Jun 08

Data Architect

Dell is a American technology company based in Austin, Texas, develops, manufactures, sells and supports personal computers, servers, data storage devices, network switches, personal digital assistants (PDAs),  computer peripherals and other technology-related products.

 

Responsibilities

·         Interacted with the functional experts to gather the requirements for ongoing modification of the system.

·         Design and Develop the LDM and PDM model of the business warehouse.

·         Created and reviewed the conceptual model for the EDW (Enterprise Data Warehouse) with business users.

·         Integrated the data from different sources and design the ETL strategy.

·         Design the data warehouse roadmap and capacity planning.

·         Designed roadmap for wiki smart project.

·         Designed and Created Universe, Classes and Objects for management system to generate adhoc reports.

·         Modification of existing universes based on the Business requirements.

·         Created the business object full client reports

·         Created derived tables for predefined conditions.

·         Prepared Documentation while creating the Objects.

·         Expertise in SQL tuning and ETL mappings,sessions and work flows.

·         Customized the report SQL  for business requirements.

·         Created Templates for standardizing the Structure of Corporate Documents.

·         Tested objects in the universe, to ensure the correct mapping of the objects.

Environment: Business Objects XI R2,XI R3   Teradata, Oracle 10g,Erwin 7.0, TOAD, PL/SQL, Window XP, Windows 2003 Server, UNIX, Informatica 7.2,SSIS,Kana CRM tool

 

Nationwide Inc, OH                                                                                                                Oct 06—Jun 07

Data modeller/Senior Data warehouse developer

Nationwide Inc is one of the largest insurance and financial services companies in the world, focusing on domestic property and casualty insurance, life insurance and retirement savings, asset management, and strategic investments.

·    Involved the design and model the data warehouse.

·    Design the conceptual and physical model of the mortgage project

·    Design the different layers of ETL design.

·    Tested objects in the universe, to ensure the correct mapping of the objects.

·    Tested and resolved loops to ensure the correct results from the query.

·    Resolved table-joining problems like Chasm trap and Fan trap using context and Alias.

·    Created & tested reports using Business Objects functionality like Queries, Slice and Dice,

     Drill down,@Functions.

·    Created graphical representation of reports such as Bar charts, Pie charts as per End user requirement

·    Developed full client and WEBI reports

·    Responsible for developing the ETL processes using Informatica Power Center.

·    Pull the data from operational data source(ODS) and load in to Netezza database.

·    Used Informatica Designer & Workflow Manager  to create required table in

     Netezza database.

·    Designed Sources to Targets mappings from data mart to netezza using Informatica Power Center.

·    Various kinds of Transformations were used to implement business logic. 

·    Migrated the report from crystal to webI

·    Exported the reports in to PDF & Excel formats.

· Created Templates for standardizing the Structure of Corporate Documents.

Environment: Business Objects XI-R2(Designer, Reporter), Web Intelligence,Informatica 7.1.4 Oracle9i,

Netezza 3.0.1,ODS,SQL sever 2005,SSIS,SSRS

 

 

Northwestern Mutual, WI                                                                                                        Dec 05 – Sep 06                                                                                          

Data warehouse Lead administrator  

Northwestern Mutual is one of the top Mutual Fund Company which has an in-depth market stakes in insurance and investment. NM has number of products in almost all division of insurance. The main products of NM are Life Term Care, ULife, DI and Annuities. The main domains are Insurance (New Business and Field Force business area) and investments.

·       Involved in installation of informatica software throughout network

·       Create user id(s) and grant appropriate roles.

·       Create Informatica folders, global sources, global targets, global ODBC connections,

·       Involved in folder migration and object migration from stage to production

·       Maintain, back up and restore the Informatica ETL repositories.

·       Involved in running start and stop scripts of  repository

·       Resolved Issues with Servers (Report viewing issues, scheduling issues, log on issues)

·       Established Informatica best practices in terms of naming conventions.

·       Manage Source & Target databases availability and data transformation load order

·       Created Users/Groups/Sub-Groups & assigned profiles there by restricting un-authenticated

          Access to resources.

·       Performed Administrative tasks like Setting up user profiles, assigning rights and privileges

·       for groups, setting up Categories using Supervisor

·       Involved in Bo Migration from BO.5.1.8 to BOXI

·       Migrated universes  and reports from test, stage to production

·       Involved in Automation Technologies like AutoSys for scheduling, monitoring and controls the jobs

·       Worked with remedy, humming bird, time tracking system

·       Provide 24 x 5 on site support and on-call support during weekends

Environment: Business Objects XI-R2(Designer, Reporter), Business Objects 5.1.8 Infoview, Web Intelligence,Informatica 6.0,Actuate Oracle9i,

Plantronics Inc, Santa Cruz, CA                                                                                         March05    -  Nov 05

Business Objects Administrator

The main objective of the project is to develop reports for Plantronics and altec. The project includes developing of reports for sales and revenue of various Plantronics hands-frees, bluetooths, telephones, etc... These reports give complete information about the performance of the company over particular period of time.

 

Responsibilities

·   Involved in the design and development of Universes, Classes and  Objects  for Business Analysis and Report Generation

·   Performed Administrative tasks like Setting up user profiles, assigning rights and privileges for groups, setting up Categories using Supervisor

·   Created Users/Groups/Sub-Groups & assigned profiles there by restricting un-authenticated access to resources.

·   Tuned the Universes by creating Joins, Contexts and Aliases for resolving Loops and checked the Integrity of the Universes using Business Objects Designer

·   Involved in the development and implementation of ad-hoc reporting system using Business Objects

·   Built canned and ad-hoc reports which include Cross Tab reports, charts, graphs and regular tables.

·   Reports involve extensive functionality like drilldown, drill up, drill by, scope of analysis and reports with prompts

·   Worked extensively with the major functionality of BO like Breaks, Alerters, Filters, Sorts, Query Prompt and Drill filters

·   Creating the reports from Excel files using Business Objects and Converted the reports to PDF, Text File format as per the User requirement

·   Reports were formatted to the users according to the user requirements using Business Objects features like Slice and Dice, Drill Down, and Formulas etc.

·   Interacted with Business Users for the Business Reporting Requirements and prepared reporting specifications/layouts

·   Trained the key users for the usage of the Universe and design of report

·   Provided complete documentation and presentation at the end of the contract to help users in developing various reports using different functionalities and methods used in creation of reports.

Environment: Business Objects 6.5.1 (Supervisor,Designer, Reporter), Broad Cast Agent 6.5, Web Intelligence6.5,data integrator, Oracle9i, Windows 2003 Server

 

 

Transcorp Commercial Mortgage, NYC                                                                                     Jan 04 – Feb 05

Business Objects Developer

Company deployed Business Objects for Analytical and Reporting purposes for their Home Equity Loan Process, Sales forecasting and Business needs. The project was to audit their current deployment and performance and to create complex reports involving sub-reports based on custom database queries.

Responsibilities

·         Worked with supervisor module in creating users and users groups for different areas and setting privileges to them. Created repository created and maintained users, domains and database connections.

·         Analyzed the existing database and designed the Universes using Business Objects Designer Module.

·         Created Universes, classes, objects, Measure objects, prompts, conditions, Joins.

·         Involved in resolving the loops, fan traps, chasm traps using contexts and aliases, checked the cardinalities and Integrity of the Universes.

·         Created the reports using Business Objects functionalities like Slice and Dice, Drill down, Cross Tab, Master/Detail and Formulas etc.

·         Developed complex queries and sub-queries using different data providers in the same report.

·         Exported the Business Objects reports to WEBI to be viewed by all users on the intranet. Created and published reports through Web Intelligence.

·         Standard templates are created for future Ad-hoc reporting needs.

·        Developed complex Informatica mappings, mapplets and worklets to load ODS and Data Marts

       and implemented Performance tuning of Informatica and databases

·         Used Informatica features to implement Type II changes in slowly changing dimension tables.

·         Worked extensively on different types of transformations like Source Qualifier, Expression, Filter, Aggregator, Rank, Lookup, Update Strategy, Stored Procedure, Sequence Generator and Joiner.

·         Documented processing times for each module, developed test cases and used them to run through each process. Tuned the matching parameters based on test results.

·         Designing, developing and testing the different mappings according to the requirements.

Environment: Business Objects 6.1 (Supervisor, Designer, Reporter) WEBI 6.1, Broadcast Agent 6.1, WebI SDK, Informatica Power Mart 6.2.1, Oracle 9i, MS Access 2000, SQL Server 2000 PL/SQL, Info view, UNIX.

 

Wyeth Pharmaceuticals, NY                                                                                                                 Jul 02 – Dec 03

Business Objects Consultant

Provided system analysis of Relational Database Management systems (RDBMS), Data Warehousing applications, On-line Analytical Processing (OLAP) and Client/Server Application Development.

Responsibilities

·         Involved in gathering information related to discovery, development, manufacturing, and marketing of prescription drugs and over-the-counter medications.

·         Involved in the development and implementation of ad-hoc reporting system using Business Objects. Tasks involved Report Development, creation of Universes, Classes and Objects.

·         Involved in software installation and distribution.

·         The Administration responsibilities involved the creation/Deletion of users and groups, modifying the user profiles, managing the repository, Broadcast Agent Monitoring etc.

·         Designed and developed Universes with Classes Vaccines, Biotechnology and Agricultural to track Inventory System Workflow.

·         Tuned the Universes by creating Joins, Contexts and Aliases for resolving Loops and checked the Integrity of the Universes using Business Objects Designer.

·         Created queries to extract data from database for multi-dimensional analysis using Slice & Dice and Drill up/down functionality.

·         Created various types of reports like List Reports, Cross Tab Reports, Drill Through reports in full client.

·         Documented procedures and processes for support and training.

·         Providing support for Business Objects end users regarding installations and deployment.

·         Configured Informatica PowerCenter 6.2 Server and Client components

·         Used Informatica Workflow Manager (Informatica 6.2) to create, Schedule, execute and Monitor Sessions, Batches/Worklets and Workflows.

Environment: Business Objects5.1/6.0, Informatica Power Center 5.2, Oracle 9i, Web Intelligence 2.7, Supervisor, BCA Publisher, ZABO, PL/SQL, Informatica 6.2.2, Web logic 7.0

                           

Qwest Communications, CO                                                                                                                Aug 01 – Jun 02

BO Analyst/Developer

Qwest Communications is one of the largest Tele communications providers in the U.S with more than 25 million customers. The Objective is to build Business Objects Reports from an Enterprise Data Warehouse for Sales. Designed the new Business objects universes in order to support the Daily/Monthly Activity summary of the Gross Adds/Net Adds/Disconnects of the subscribers for the sales team. Give Sales team a better functionality and in depth understanding of the sales pattern using the drill down/Graphs/charts based on region/cluster and channel/Sub channel dimensions. Used Web Intelligence to publish the report on the web in order to have a better security and interface for the users.

Responsibilities

·         Involved in design, development of the complete Decision Support System using Business Objects.

·         Multi source Extraction Transformation and loading into the Repository using Informatics Repository maintenance and security.

·         Created different sales report, revenue reports and involved in development and maintenance of Universe using Designer.

·         Generated business objects reports with Slice &Dice and Drill down.

·         Created customized web reports per requirement of client and Scheduled reports using Business Objects Broadcast Agent.

·         Worked database extensively on PL/SQL and Developing, Stored Procedures reports in Business Objects from Oracle.

·         Involved in writing Materialized views, Summary tables, Procedures in PL/SQL to support Business Objects Reports.

·         Involved in Full life cycle design and development of Business Objects Reporting Application.

·         Created, Modified and publishing reports using WebI. Created classes, objects and filters at Universe level and resolved loops using contexts and aliases.

·            Worked on cleaning the current universe in terms of naming convention and designing the better security.

Environment: Business Objects 5.1, Data Integrator, Crystal Reports, Broadcast Agent Publisher, Web Intelligence 2.7 (Reporter, Info View), Great Plains (FRX), Visual Basic, Db2, Oracle 8.1, TOAD, UNIX, Windows NT

 

Interface software solutions, India                                                                                                                 May00 – Jun 01

Software Engineer

Worked as a fulltime programmer to develop a complete company’s management information system. This project has different modules. The first module contains different packages like agreement information, vehicle info, installment info, and seizing info of the vehicles and second module is Accounts module. Accounting module, this takes care of payments, receipts, debts note, credit note, trail balance, balance sheet, and profit & loss accounts. I mainly involved in the first module. HTML and Visual Basic were used for the front-end development.

Responsibilities

·         Analyzed and developed business requirements.

·         Periodic meetings with various departments to understand user requirements and needs.

·         Involved in gathering data and requirements to support developers.

·         Used VB objects for building Dynamic web pages.

·         Performed Test for comparing data of two Excel Versions of Reports generated with Old & New changes in system.

·         Test Performed for comparing data of Excel Version with Web Version.

·         Prepared testing functionality of Order Inquiry, Order Status Report and Web Reports (applications), as well as the resultant reports, on Windows-98/Netscape and Windows-NT.

Environment: Visual Basic, HTML, Oracle 7.0 on Windows-NT.