SUMMARY

• 7+ years of IT Experience in Data Warehousing, Database Design and ETL Processes in various business domains like finance, telecom, manufacturing and health care industries.
• Highly proficient in Development, Implementation, Administration and Support of ETL processes for Large - scale Data warehouses using Informatica Power Center.
• Worked extensively on ETL process using Informatica Power Center 10.x,9.x,8.x, 7.x, IDQ 10.2.1/9.0.1/8.6 , MDM 10.x,B2B,PCF, Teradata, SQL server and oracle databases
• Extensively used ETL methodologies for supporting Data Extraction, Transformation and Loading process, in a corporate-wide-ETL solution using Informatica Power Center.
• Extensively worked on developing Informatica Designer, Workflow manager and Workflow monitor for data loads.
• Experience with special emphasis on system analysis, design, development and implementation of ETL methodologies in all phases of Data warehousing life cycle and Relational databases using IBM Info Sphere DataStage 11.5/11.3/9.1/8.5/8.1.
• Extensive experience as an ETL developer and working with IBM Info Sphere Information Server.DataStage (Versions 11.5,11.3, 9.1,8.5, 8.1, 8.0.1) and Ascential DataStage 7.5.2 Enterprise Edition (Parallel Extender) and Server Edition.
• Hands-on experience on foundation tools like Fast Track, Metadata Work Bench, DataStage and Quality Stage, Information Analyzer etc.
• Extensive experience ETL tool using IBM InfoSphere DataStage.
• Expertise in analyzing and understanding data dependencies in database tables using the corresponding metadata stored in the DataStage repository.
• Extensive experience in SOAP UI
• Expertise in Informatica MDM, Amazon S3 browser
• Extensive experience in using various Informatica Designer Tools such as Source Analyzer, Transformation Developer, Informatica MDM Work Flow Manager, Mapping Designer and Mapplet Designer.
• Extensive experience in Design, Development, Implementation, Production Support and Maintenance of Data Warehouse Business Applications in E-commerce software, Oil & Gas, Health Care, Insurance, Financial industries.
• Experience in development and maintenance of Oracle11g/10g/9i/8i, PL/SQL, SQL *PLUS, TOAD, SQL*LOADER.SQL, Stored procedures, functions, analytic functions, constraints, indexes and triggers.
• Experienced in IDQ (9X, 9.5.1) handing LDO’s PDO’s & some of the transformation to cleanse and profile the incoming data by using Standardize, Labeler, Parser, Address Validator Transformations8 years of experience in using different versions of Oracle database like 11g/10g/9i/8i.
• Excellent working knowledge of c shell scripting, job scheduling on multiple platforms, experience with UNIX command line and LINUX.
• Experience is design MDM architecture solutions, complex match rules, complex custom survivorship rules which cannot be handled out-of-the box MDM tool to determine best version of truth (BVT) aka Golden Record and reusable framework
• Experience in creating batch scripts in DOS and Perl Scripting.
• Experience in ETL development process using Informatica for Data Warehousing, Data migration and Production support.
• Sound knowledge of Relational and Dimensional modeling techniques of Data warehouse (EDS/Data marts) concepts and principles (Kimball/Inmon) - Star/Snowflake schema, SCD, Surrogate keys and Normalization/De-normalization.
• Data modeling experience in creating Conceptual, Logical and Physical Data Models using Erwin Data Modeler.
• Experience with TOAD, SQL Developer database tools to query, test, modify, analyze data, create indexes, and compare data from different schemas.
• Performed the data profiling and analysis making use of Informatica Data Explorer (IDE) and Informatica Data Quality (IDQ).
• Worked on Slowly Changing Dimensions (SCD's) Types -1, 2 and 3 to keep track of historical data.
• Knowledge in Data Analyzer tools like Informatica Power Exchange (Power Connect) to capture the changed data.
• Proficiency in data warehousing techniques for data cleansing, surrogate key assignment and Change data capture (CDC).
• Experience in integration of various data sources like Oracle, DB2, Flat Files and XML Files into ODS and good knowledge on Teradata 12.0/13.0, SQL Server 2000/2005/2008 and MS Access 2003/2007.
• Expertise in implementing complex business rules by creating re-usable transformations, Mapplets and Mappings.
• Developed Tableau visualizations and dashboards with interactive views, trends and drill downs along with user level security using Tableau Desktop.
• Hands on experience in MDM development.
• Optimized the Solution using various performance-tuning methods (SQL tuning, ETL tuning (i.e. optimal configuration of transformations, Targets, Sources, Mappings and Sessions), Database tuning using Indexes, partitioning, Materialized Views, Procedures and functions).
• Adept in formulating Test plans, Test cases, Test Scenarios, Test Approaches, Setting up Test Environments in conjunction with the Testing team and expertise in formulating test approaches with Load Testing, Integration Testing, Functional Testing, and User Acceptance Testing (UAT).
• Extensively used Autosys and Tidal for scheduling the UNIX shell scripts and Informatica workflows.
• Extensive knowledge in all areas of Project Life Cycle Development.
• Experience in both Waterfall and Agile SDLC methodologies.
• Strong analytical, verbal, written and interpersonal skills.

TECHNICAL SKILLS

Databases: Oracle 10g/9i/11i/R12, DB2, MS SQL server 7.0/2000/2005/2008 , MS Access 2000/2005, Teradata, MySQL

Languages: Transact- SQL, PL/SQL, HTML, CSS, JavaScript, C, C#, PERL, Java

Operating Systems: Windows, Linux, Unix, MS-DOS, Sun Solaris.

OLAP/Reporting Tools: SQL Server Analysis Service (SSAS), SQL Server Reporting Service (SSRS), Share Point MOSS 2007, Business Objects 6.x, Cognos Framework Manager, Tableau

ETL Tools: InformaticaPowerCenter10.x/9.x/8.x/7.x, Informatica Power Exchange, Informatica Data Quality Suite 9.6, Informatica MDM, Informatica Data Director (IDD), Informatica B2B DT, Pentaho Data Integration (PDI)SQL Server Integration Services (SSIS), IBM Infosphere DataStage, IBMDatastage 11.5/11.3/9.1/ 8.7/8.5/8.0 , Informatica MDM

Data Modeling Tools: Microsoft Visio, Erwin r9.0/8x/7x, ER/Studio 9.7/9.0/8.0/7. x

SQL Server Tools: SQL server Management Studio, SQL server Query Analyzer, SQL server mail service, DBCC, BCP, SQL server profiler

Web Technologies: MS FrontPage, MS Outlook Express, FTP, TCP/IP, SOAP UI

Other Tools: Microsoft Office, Visual Basic 6, Amazon S3 Bucket

Scheduling Tools: Informatica Scheduler, CA Scheduler (Autosys), ESP, Autosys Control-M

Data Quality Tools: Informatica Analyst, Informatica Data Quality, Informatica Developer

MDM Tools: Nextgate, Informatica MDM

PROFESSIONAL EXPERIENCE

Confidential, Rey Brook, NY

Sr.Informatica ETL / MDM Developer

Responsibilities:

• Support production with incidents related to missing data missing, timeouts, Citrix issues, access/ permissions issues, etc.
• Creating report services, dynamic dashboards, mobile dashboards, report development, and visualization using the knowledge of Star/ Snowflake/ Dimensional data modelling, data warehouse, and reporting techniques.
• Work closely with Informatica Support to resolve the issues identified in the Informatica MDM tool. Verifying and validating the developed application.
• Complete the build-in MicroStrategy Components like MSTR, Desktop/Developer, MSTR Administration, Web, Distribution services, Transaction Services, and SDK.
• Complete the necessary development that includes analysis, design, development, and testing which also, require strong Teradata SQL skills and the ability to create simple to complex schema objects as per the requirements.
• Unit testing and document test results. Capturing and resolving application defects in the unit testing phase.
• Performs all technical services required for the integration, installation, and maintenance of information technology and voice communication systems.

Environment: Informatica Power Center 10.1/9.6, Power Exchange, Informatica Data Quality 9.6.1, Informatica MDM 10.1, 10.2, 10.3, 10.4.1, 10.4.1, 10.4.2, 10.4.3 UNIX,Windows NT/2000/XP, SQL Server 2008, Oracle SQL 20.4.1, Windows Server, UNIX and CA ESP Informatica Scheduler, UNIX, IDQ(IDE), WINSCP, Amazon S3 Browser.

Confidential, Oriskany, NY

Sr.Informatica ETL / MDM Developer

Responsibilities:

• Involved in Business Analysis and Requirements collection.
• Develop complex mappings by efficiently using various transformations, Mapplets, Mapping Parameters/Variables, Mapplet Parameters in Designer.
• The mappings involved extensive use of Aggregator, Filter, Router, Expression, Joiner, Union, Normalizer, Sequence generator, SQL and Web Service transformations.
• Scheduling the Informatica workflows using Control-M, Tivoli scheduling tools & trouble shooting the Informatica workflows.
• Involved in extracting addresses from multiple heterogeneous source like flat files, oracle, SAS and SQL server.
• Extensively used all Power Center/Power mart capabilities such Target override, Connected, Unconnected and Persistent lookup’s
• Used Informatica MDM 10.1 tool to manage Master data of EDW.
• Extracted consolidated golden records from MDM base objects and loaded into downstream applications.
• Experience in validating data quality & business rules by using Mapping document and FSD to maintain the data integrity.
• Represent PowerCenter mapping detailed transformation information in the catalog (EDC)
• Setting-up Enterprise Data Catalog (EDC v 10.2x) tool on Linux platform Implement Data Governance in Informatica, EDC based on data validation performed in IDQ.
• Data Lineages between Consumer Master inbound and outbound systems. Business term and technical tern lineages in EDC and Axon for Data Stewards better understanding. End to End installation and configuration of Informatica 9.x/10.x product suits (PowerCenter(PC), Enterprise Data Catalog(EDC), Informatica Data Quality(IDQ), Preparation of Unit test cases
• Extensively worked on UNIX shell scripts for server Health Check monitoring such as Repository Backup, CPU/Disk space utilization, Informatica Server monitoring, UNIX file system maintenance/cleanup and scripts using Informatica Command line utilities.
• Perform all SDLC phases related to extract, transform, and load (ETL) processes using MySQL Server Integration Services (SSIS) and MySQL Server T-SQL stored procedures within SQL Server 2012 environment.
• Resolved many issues by applying EBF’s and patches for issues related to informatica load failures.
• Migration of Informatica Mappings/Sessions/Workflows and Unix scripts to QA, UAT and Prod environments using Harvest and SVN tool.
• Configured Connection Manager files for SSIS packages to dynamically execute on Quality Analysis server and Production server. Performed Full load & Incremental load with several Data flow tasks and Control Flow Tasks using SSIS.
• Utilized XML and SQL Server table configuration for the management and migration of SSIS packages in staging and pre-production environments.
• Deployed packages from test environment to production environment by maintaining multiple package configurations in SSIS utilizing package and project deployment models in SSIS 2012.
• Implemented advanced features in SSIS such as error handling, transactions, checkpoints, loggings and package configurations utilizing package deployment utility.
• Worked on Master Data Management (MDM), Hub Configurations (SIF), Data Director, extract, transform, cleansing, loading the data onto the tables.
• Worked with Informatica Data Quality (IDQ) toolkit, Analysis, data cleansing, data matching, data conversion, exception handling, and reporting and monitoring capabilities of IDQ.
• Experience in end to end Data quality testing and support in enterprise warehouse environment.
• Experience in maintaining Data Quality, Data consistency and Data accuracy for Data Quality projects.
• Assisted with automation and deployment of SQL Scripts and SSIS Packages, SSRS reports and maintained daily jobs in different environments using SQL Server Agent & Tivoli Scheduler.
• Used Tivoli Scheduler to schedule the ETL batch jobs to load the data into EDW.
• Provided production support to schedule and execute production batch jobs and analyzed log files in Informatica 10.1 Integration servers.
• Involved in daily status call with onsite Project Managers, DQ developers to update the test status and defects.

Environment: Informatica Power Center 10.1/9.6,Pentaho Data Integration 8.0.0(PDI/Kettle), Power Exchange, Informatica Data Quality 9.6.1, Informatica MDM 10.1, UNIX,Windows NT/2000/XP, SQL Server 2008, SSIS, OBIEE, DB2, Control tool, SVN, Windows Server, UNIX and CA ESP Workstation Scheduler, UNIX, IDQ(IDE).

Confidential, Houston, TX

Sr Informatica Developer/IDQ Developer/DataStage

Responsibilities:

• Worked with Informatica Data Quality 9.6.1 (IDQ) toolkit, Analysis, data cleansing, data matching, data conversion, exception handling, and reporting and monitoring capabilities of IDQ 9.6.1.
• Worked on requirements gathering, architecting the ETL lifecycle and creating design specifications, ETL design documents.
• Analyze the business requirement and create ETL logic to extract data from flat files coming from Manufacturing at different geographic regions and load data in the data warehouse house.
• Prepared ETL Specifications and design documents to help develop mappings.
• Created Mappings for Historical and Incremental loads.
• Worked on staging the data into work tables, cleanse, and load it further downstream into dimensions using Type 1 and Type 2 logic and fact tables which constitute the data warehouse.
• Worked with PMCMD to interact with Informatica Server from command mode and execute the shells scripts.
• Project based on Agile SDLC methodology with 2 weeks of software product release to the business users.
• Take part in daily standup and scrum meetings to discuss the project lifecycle, progress and plan accordingly, which is the crux of Agile SDLC.
• Provide post release/production support.

Environment: IBMInfoSphere DataStage11.5 (Designer, Administrator, Director),Quality Stage, Informatica Power Center 10.0, IDQ 9.6.1, Informatica MDM,Informatica B2B DT, Oracle Database 11g, SQL server, SQL * Plus, TOAD, SQL*Loader, Toad for Oracle, Tableau, Unix Shell scripts, Teradata.

Confidential, San Francisco, CA

ETL-Informatica Developer/IDQ/DataStage

Responsibilities:

• Worked on Developed mappings/Reusable Objects/Transformation/Mapplet by using mapping designer, transformation developer and Mapplet designer in Informatica Power Center 9.6
• Worked with Informatica Data Quality 9.5.1 (IDQ) toolkit, Analysis, data cleansing, data matching, data conversion, exception handling, Score cards, reporting and monitoring capabilities of Informatica Data Quality IDQ 9.5.1.
• Extensively used the DQ transformations like Address validator, Exception, Parser, Standardizer, Solid experience in debugging and troubleshooting Sessions using the Debugger and Workflow Monitor
• Designed and developed Complex mappings like Slowly Changing Dimensions Type 2 (Time Stamping) in the mapping designer to maintain full history of transactions.
• Involved in Data Loading Sequence and Populated Data into Staging Area and Warehouse with Business Rules.
• Integrated IDQ mappings through IDQ web service applications as cleanse functions in Informatica MDM using IDQ cleanse Adapters.
• Extracted the source definitions from various relational sources like Oracle, XML and Flat Files.
• Extensively used ETL to load Flat files, XML files, Oracle and legacy data as sources and Oracle, Flat files as targets.
• Data Lineages between Consumer Master inbound and outbound systems. Business term and technical tern lineages in EDC and Axon for Data Stewards better understanding. End to End installation and configuration of Informatica 9.x/10.x product suits (PowerCenter(PC), Enterprise Data Catalog(EDC), Informatica Data Quality(IDQ), Preparation of Unit test cases
• Profile files and shell scripts were used for recreation of dynamic parameter files.
• Scheduling of Informatica workflows using Tidal Scheduler.
• Migration of Informatica code from DEV to TEST environments in Informatica by creating deployment groups, folders, applying labels, creating queries in the Informatica Repository Manager.

Environment: IBMDataStage9.1/8.5, Quality Stage, Informatica PowerCenter 9.6.1/9.5.1 , Informatica IDQ (9.5.1), Informatica MDM, IDD, UNIX, Teradata13.0, Shell Scripts, SQl Server.

Confidential - Charlotte, NC

Informatica/Datawarehouse Developer

Responsibilities:

• Analyze the business requirements and framing the Business Logic for the ETL Process and maintained the ETL process using Informatica Power Center.
• Created complex Informatica mappings to load the data mart and monitored them.
• The mappings involved extensive use of transformations like Aggregator, Filter, Router, Expression, Joiner, Union, Normalizer and Sequence generator.
• Develop an ETL Informatica mapping in order to load data into staging area.
• Extracted from Mainframe files and databases and loaded into Oracle 11g target database.
• Create workflows and work lets for Informatica Mappings.
• Worked on Master Data Management (MDM), Hub Configurations (SIF), Data Director, extract, transform, cleansing, loading the data onto the tables.
• Design, develop, test and review & optimize Informatica MDM and Informatica IDD Applications.
• Parameterized the whole process by using the parameter file for the variables.
• Imported xsd file to create the xml target and create the HierarchicalRelationship
• Implemented the logic by using HTTP transformation to query the web server.
• Configure and setup a secure FTP connection to the vendor using the Informatica Managed File transfer software.
• Created complex Shell scripts for various set of actions that would automate the process of executing the actions like validating the presence of indicator files.
• Pushing the compressed and encrypted xml files and flat files generated to the external vendor using MFT.
• Involved in Unit testing and system integration testing (SIT) of the projects.
• Assist the team members with the mappings developed as part of knowledge transfer.

Environment: Informatica PowerCenter 8.6.1/ 8.1.1 , Informatica IDQ 9.5.1, MDM 9.5.1, Windows Server 2008, MS-SQL Server 2005, Batch Scripting, Perl Scripting, XML Targets, Flat Files,),Tidal 5.3.1. UNIX, IDQ(IDE)