Senior Data Warehousing Consultant Resume
SUMMARY:
- Informatica Certified: PowerCenter Data Integration 9.x:Developer Specialist
- Oracle Certified: OracleDatabase Administrator Certified Associate
- 15+ years of experience in software requirements, design, development, maintenance and Production Support
- 10+ years of experience in Data Warehousing and Business Intelligence using Informatica Power Center, InformaticaPowerExchange, SalesForce APIs, hands on experience with Microsoft SSIS
- Exposure to Bigdata, Hadoop, HDFS Architecture, MapReduce, Sqoop, Oozie, Hive, HBase, Pig
- Exposure toTalendstudio 6.3
- Extensively used SQL and PL/SQL to write stored procedures, functions, packages, triggersand CDC Implementations
- Experienced in developing PL/SQL packages, Procedures, Functions, SQL scripts and DatabaseTriggers
- Oracle Apps (R11) expertise (Oracle Incentive Compensation module)
- Managed and executed all phases of a data warehouse project life cycle that includes requirements gathering, architecting, design, development, Implementation, QA, end - to-end it solutions in DW,OLAP&BI space
- Experience in Agile,(Iterative Model), kanban, CMMI level standards andUNIX Shell scripting
- Experience in star, snow flake schema designand de-normalization techniques
TECHNICAL SKILLS:
ETL: InformaticaPowerCenter 10.2/10.1/9.6/9.1/8.6 , InformaticaPowerExchange for SalesForce, Apex Loader, Informatica Cloud Data Loader for Salesforce, Microsoft SSIS
Databases: HPE Vertica 8.1, Oracle 12c/11g, Exadata, Teradata 14.10, MongoDB 3.2, SQL Server2012
Operating Systems: LINUX, UNIX (SUN Solaris, SUN OS, HP9000, HPUX), Windows 8/7/XP, Open VMS
Languages: SQL, PL/SQL, Java2, UNIX Shell Scripting, HTML, XML, Perl, Java Script
Operating Systems: LINUX, UNIX (SUN Solaris, SUN OS, HP9000, HPUX), Windows 8/7/XP, Open VMS
Application Servers: Oracle iAS 10g/9i, Netscape iPlanet, BEA WebLogic Server 7.0
Data Modeling: ERWin 9.2, Oracle Designer
Methodologies: Star Schema, Snow Flake Schema, Fact and Dimension Tables
Tools: SQL Developer,SQL*Loader, SQL Navigator, Toad, Splunk, Oracle Warehouse Builder, Oracle Developer, Designer, Discoverer, Oracle BIS 11i, Oracle Express, PRO*C, SQL*Loader, Oracle AQ, Visio, CONTROL-M, Sentry, AUTOSYS, MOVEIT, Active Batch V9, SQL Server Agent Job Scheduler, Borland Star Team 2008, Python
WORK EXPERIENCE:
Confidential
Senior Data warehousing Consultant
Responsibilities:
- Map Confidential brokerage and managed portfolios to Schwab existing FC model of assignments
- Migrate Confidential member and wealth managers info into Retail Sales Force using CAT, O2 and Pogo interfaces
- Create generic framework to use for further migrations/acquisitions
Environment: Informatica Power Center 10.2, Oracle 12c, Sales Force, JIRA, Confluence and Unix.
Confidential
IT Lead
Responsibilities:
- Product enhancement and customizations
- Integration with other ordering and engineering systems for satellite
- Develop and maintain the interfacing xml based system connectors
- Created code for IFS Event handling
- Performance tuning of different interfaces
Environment: Oracle 12c, XML, IFS, Agile, Velocity (Aerospace softwares), SoapUI, ProSource and Unix
Confidential
Data warehousing Lead Consultant
Responsibilities:
- Understanding the existing Mule flows and business logic behind the implementation
- Data modelling and design of sources, intermediate tables and target tables
- Create design document in confluence for each flow with requirements and test conditions
- Implemented complex Informatica mappings, sessions, worklets and workflows for each Mule flow and associated data migrated from Teradata and Salesforce to target systems.
- Created worklets to implement failover strategy for lookup data extraction from SalesForce
- Extract data from Oracle and Teradata source and perform upserts to objects of different orgs in Sales Force
- Unix scripting
- Used Splunk to query and view Mule run logs
- Designed data flows and got coded with offshore developers to meet SLAs
- Performance tuning of workflows and source queries
- QA testing, support, production deployment and production support
- Requirements gathering with business
- Design and development of Informatica mappings, sessions and workflows to load from various financial feeds (moneymate, morningstar, pogo) into Confidential Investment Management (CSIM) data warehouse
- Design and development of Security Audit management to validate the vendor application management for different APMs, AD groups and Roles
- Developed Python scripts to convert Excel files into CSV files to load using Informatica.
- Created MS SQL Agent jobs to schedule import feeds and dependent exports
- Source control using TFS and Agile team work using Atlassian suite (JIRA, Confluence, Bit Bucket, Bamboo)
- Mentored team on performance enhancements, tuning, data warehouse development strategies
Environment: Informatica Power Center10.1, Python, Microsoft SQL Server suite, TFS, JIRA, Bit Bucket and Bamboo
Confidential
Data warehousing Consultant
Responsibilities:
- Design and development of Vertica objects, schemas, dimensions, facts, aggregates and publish tables
- Design and development of Informatica mappings, sessions and workflows to load from Oracle sources using direct load to Vertica objects on Amazon Web Services prod and non-prod platforms
- Design and development of loading the Aggregates and publish tables using Informatica
- Sourced data from MongoDB
- Creating Autosys jobs to schedule Vertica jobs using JIL scripts
- Used Splunk for Vertica log querying
- Create the workflow schedules using Autosys
- Designed and developed process to load daily flow ETF transactions from BNY to Oppenheimer with revised and excluded file processing.
Environment: Informatica Power Center10.1, HPE Vertica 8.1, Oracle 12c, MongoDB 3.2, AutosysMoveIT, AWS, JIRA
Confidential, Denver, CO
Data Warehousing Consultant
Responsibilities:
- Requirements gathering with business at BPCS Central, Europe
- Develop Informatica mappings, sessions and workflows as per business requirements using various transformations to implement simple and complex business logic
- Performance tuning ofInformatica sessions jobs and several SQL queries to meet SLAs of existing data warehouse ETLs
- Worked with Teradata and Informatica support to move the existing instances to cloud solutions as Teradata servers are approaching end of life and rest of servers has to move to a different data center
- Worked on BI solution for PO supplier data analysis using Tableau
- Worked on workflow schedules using Informatica scheduler using file watch events
Environment: Teradata 14.10,Informatica Power Center 9.6.1, Oracle 11g, Tableau 10.1
Confidential, Denver, CO
Senior Informatica Consultant
Responsibilities:
- Requirement gathering sessions with the business
- Lead team on design and development of ETL process to extract the code from Access macros and created SQL to convert into Informatica
- Lead and designed, developed and mentored other developers, Informaticaobject for Confidential patient data conversion
- Extensively used connected/unconnected Lookups, Filter, Router, Aggregator, Joiner, Expression, Update strategy, Normalizer, union and Rank Transformation
- Mentored team on performance tuning of Informatica sessions jobs and several SQL queries
- Converted complex SQL queries, analytical functions and inline views into Informatica mappings like dense rank, row number, count distinct etc
- Used Java transformation to generate parameter files and automated parameter file generation process based on the checked in sessions and partitioned sessions to achieve optimal performance
- Created the workflow schedules using Active Batch
- Sourced data from Oracle and Netezza
Environment: Oracle 11g,MS SQL Server 2012,NetezzaAginity Pure Data System for Analytics, Informatica Power Center 9.6, Toad, Active Batch V9. Borland StarTeam 2008
Confidential
Data warehousing Consultant
Responsibilities:
- Worked on design and development of ETL process to send sales transaction, broker dealer and office data to share request data vendors like Market Metrics, Bright Scope etc.
- Worked on several T&P (Teams & Partnerships) data validations using dynamic SQL and critical data validation and reported using Informatica mappings and workflows
- Created ETL end to end process to send Ownership information with Callidus sales compensation files to finance
- Created Autosysjobs with JIL scripts to schedule workflows with conditions and dependency
- Wrote complex SQL queries, analytical functions and inline views
- Involved in design and development for type1, type2 and type 6 (hybrid SCD) mappings
- Worked on other objectives like Siebel Liftoff and other BAU stories
- Configured several MoveIT jobs to transfer files to vendors
- Created Linux scripts and scheduled the workflows using Autosys scheduler
Environment: Oracle 11gExadata, Informatica Power Center 9.1, Toad, Autosys, MoveIT. Dynamic SQL, JIRA
Confidential
Data warehousing Consultant
Responsibilities:
- Designed, developed Informatica mappings, sessions and workflows as per business requirements
- Created mappings for Derivatives, Essbase, Intrader, LoanFacts and Investment debts
- Created XML extract from the WichitaFact to load into eReview that creates an xml file for each association
- Developed mappings that incorporated logic for CDC (change data capture) needed to handle inserts, updates and deletes to the existing targets using MD5
- Created mappings to load data from XML files into CoStar database for Cognos reporting
- Worked on ETLs that consolidate data from AgBank and Confidential merger into Loans2 combined application
- Used Oracle, SQL server, XML and flat file sources and targets like Oracle, XML, Excel, Flat files
- Coordinated on Informatica upgrade from 9.1 to 9.6 to facilitate Congos 11 connectivity
- Mentored team on performance tuning of Informatica sessions jobs and several SQL queries
- Created control-M jobs to schedule workflows with conditions and dependency
- Used Microsoft TFS for version control
- Facilitated and supported unit test, system test, UAT testing and Production deployment
Environment: Oracle 11g, MS SQL Server 2012, Informatica Power Center 9.6.1, Microsoft SSIS, ToadControl-M, ERWin 9.2, Windows Server 2008 R2. Team Foundation Server(TFS).
Confidential
Lead Software Development Engineer
Responsibilities:
- Actively lead data modeling with Fact and Dimension tables, designing, development, deployment and support integration
- Create PL/SQL packages, stand-alone procedures, and stand-alone functions
- Designed, developed and mentored other developers, Informatica Mappings as per business requirements using various transformations to implement simple and complex business logic
- Designed schema tables and related DDL scripts using ERWin, developed PL/SQL programs
- Extensively worked with SQL, PL/SQL (cursors, procedures and packages) and query performance tuning, created database objects like tables, indexes
- Created ETL architectureto track execution times of processes and process control totals
- Used Power Exchange for SalesForce and web services for Integration to the Salesforce.com
- Developed the Shell scripts to preprocess and archive the flat files
- Performance tuning of mappings and SQLs and other database objects
- Created shell scripts and FTP scripts in Linux, and scheduled the workflows using Control-M scheduler
- Facilitated and supported unit test, system test, UAT cycles 1,2 and 3
Environment: Oracle 11g, Informatica Power Center 9.1, Informatica Power Exchange for SalesForce, Toad 9.6.1, Linux, Caliber, Serena Dimensions, Control-M, ERWin 9.2, Windows7, HP Quality center/ HP Application life cycle management.
