Etl Tech Lead Resume
2.00/5 (Submit Your Rating)
Charlotte, NC
SUMMARY
- 16 Years of IT experience in analysis, design, development and implementation of Business Intelligence solution using Data Mart/Data Warehousing Design, ETL, OLAP, Client/Server and web applications on Unix and windows platform in various domains such as Banking, Finance, Insurance, Sales and Manufacturing.
- 14 years’ experience in design, develop and maintaining Data Warehouses and Data Marts using Informatica, Teradata, Oracle, DB2, SQL Server, Siebel
- 2 Years of Business Intelligence experience using Business Objects 6.5/5.1(Designer, Business Objects and Migration) and Micro Strategy
- Strong hands on experience in creating SSIS Packages, Stored Procedures using SSIS, SQL Server 2008, and T - SQL.
- Strong hands on experience using Teradata utilities (SQL, B-TEQ, Fast Load, Multiload, Fast Export, and Tpump).
- Created bulk data loads from multiple data sources (Oracle, Flat files) in to Teradata using BTEQ, Multi load, and Fast load utilities.
- Proficient in Oracle in writing and using SQL queries, Stored Procedures, Materialized Views, and Optimization tuning techniques.
- Experienced in Data Extraction, Transformation, and Loading (ETL) from disparate Data sources like Multiple Relational Databases Oracle, DB2, SQLServer, Mainframe, SAP R/3, SAP BW and Worked on integrating data from flat files and CSV files into a common reporting and analytical Data Model using Informatica
- Expertise in Creation, Modification and Testing of Informatica Mappings, Mapplets, Workflows, Worklets and debugging and performance tuning of Informatica Mappings and Sessions.
- Experienced in Performance tuning of critical Informatica jobs & database loader jobs and Data Warehousing Applications
- Wide experience in applying Business Logic using SQL Scripts, PL/SQL, Database Packages, Procedures, Functions and Triggers.
- Write High Quality SQL, PL/SQL, and Shell Scripting code based on Business requirements.
- Exposed to various domains of Data warehouses like Insurance, Finance, Pharmaceutical and Sales
- Extensive experience in Offshore and Onsite model. Received good Customer feedback for timely delivery and fulfilled the expectations
- Extensive exposure in writing the UNIX Shell Scripts to automate the process.
- Handled critical job failures in the Production environment and Involved in fixing the data issues in the EDW database
- Hands on Experience using ITIL model, Supported Level1 & Level2 people on Production Issues and involved in tuning Informatica jobs as Performance group member under Level3 team.
- Involved in 24/7 on-call support for Info Factory, CDM, and CRM related jobs in Systems & QA & Production environments.
- Involved in Code Reviews & suggested best practices and presented Informatica new features in USER Group meetings.
- Hands-on experience using Informatica Power Exchange- in implementing CDC from VSAM systems, DB2 databases, Power Center Connect for SAP, expertise in installation, configuration and administration of Power Exchange.
- Well trained on Informatica Data Quality & Data Explorer tools.
- Good knowledge in Software Development Life Cycle (SDLC) and Quality Assurance Life Cycle
- Experience in analyzing, designing, developing Universes and Created different types of Business Objects reports
- Used Calculations, Variables, Sorted inputs, Drill down, Slice and Dice, Alerts for creating Business Objects reports
- Experienced in Creation and Modification of MSTR reports/queries, and Narrow Caster Runs - Monthly Production Runs
- Strong analytical, presentation, problem solving and excellent inter-personal communication skills and flexible to learn new technologies in the IT industry towards company’s success
PROFESSIONAL EXPERIENCE
Confidential, Charlotte, NC
ETL Tech lead
Responsibilities:
- Accountability for all applications under INFA Tower.
- Reassignment of tasks and tickets when required to keep overall tower healthy as possible.
- Provide Tower status on WSR calls.
- Maintaining relationship with Application team leads and Business stake holders.
- Technical and process assistance to team members as needed.
- Make sure all PROD Batch loads completed and not missed any SLA
- Gather repeated issues/Long running jobs and come up with solutions
- Responsible for updating Applications run book and KEDB on periodic basis.
- Responsible for all THR/TREX activities (end to end )
- Tracking all planned and unplanned releases and outages
- Mentoring all news resources and L1 resources
- Automate Adhoc tasks wherever it is possible
- On-Call support for all INFA/MS Applications
- Responsible for all UAT / PROD releases and handover calls
- Making sure all PTs / JIRAs are closed with in SLA timelines
- Responsible for Business Analysis and Requirements Collection and involved in Designing Technical Specification
- Transforming high-level design spec to simple ETL coding. Designing mappings according to the mapping standards, naming standards and warehouse standards for future application development
- Created Common objects for the ETL team to maintain the Common Code and Documented standards for Informatica code development
- Handled Offshore Teams and Co-ordinated with them on the ETL Development work efforts.
- Used Informatica to load data from Flat Files/ to DB2 database and extract data from different databases (Oracle, DB2, and SQL Server).
- Created Informatica mappings using the transformations like Source Qualifier, Aggregator, Expression, Lookup, Router, Filter, Update Strategy and Joiner transformations
- Involved in Creating, Validating, Testing and running the sequential and concurrent Batches and Sessions
- Involved in Tuning critical Informatica jobs & database loader jobs.
- Guided the team to modify the logic to improve the performance of the maps.
- Created views which are refreshed On Demand for the Hyperion Reports.
- Wrote Shell scripts to get files from different servers.
- Modify existing mappings and write new programs as needed.
- Involved in Creating, Validating, Testing and running the sequential and concurrent Batches and Sessions
- Involved in Tuning critical Informatica jobs & database loader jobs.
- Involved in data analysis and created reports using SQLs.
- Created Deployment groups and worked closely with DBAs to migrated Informatica code /database tables from Dev to QA and QA to Production.
- Crated and worked on Jade Items for Code fixes & data fixes.
- Performed Unit Testing and Integration Testing for Data Warehousing Applications and tuned for better performance
- Involved in Code Reviews & suggested best practices.
- Responsible for Business Analysis and Requirements Collection and involved in Designing Technical Specification
- Transforming high-level design spec to simple ETL coding. Designing mappings according to the mapping standards, naming standards and warehouse standards for future application development
- Created Common objects for the ETL team to maintain the Common Code and Documented standards for Informatica code development
- Used Informatica to load data from Flat Files to DB2 database and extract data from different databases (Teradata, oracle, SQL Server).
- Handled Commercial, Consumer, Mortgage, and Deposit loads in to MDM.
- Created Informatica mappings using the transformations like Source Qualifier, Aggregator, Expression, Lookup, Router, Filter, Update Strategy and Joiner transformations
- Created Complex SQL’s, PL/SQL Procedures to support MDM.
- Guided the team to modify the logic to improve the performance of the maps.
- Created Materialized views which are refreshed On Demand for the PB Dashboards.
- Wrote Shell scripts to get files from different servers.
- Created data loads from multiple data sources (DB2, Flat files) in to Teradata using BTEQ, and Fast load utilities.
- Modify existing mappings and write new programs as needed.
- Involved in Creating, Validating, Testing and running the sequential and concurrent Batches and Sessions
- Involved in Tuning critical Informatica jobs & database loader jobs.
- Involved in data analysis and created reports using SQLs.
- Created Deployment groups and worked closely with DBAs to migrated Informatica code /database tables from Dev to QA and QA to Production.
- Crated and worked on Jade Items for Code fixes & data fixes.
- Performed Unit Testing and Integration Testing for Data Warehousing Applications and tuned for better performance
- Involved in 24/7 on-call support for MDM related jobs in Production environment.
- Involved in Code Reviews & suggested best practices.
Environment: INFORMATICA10.2/9.6.1, Informatica BDM, MDM, OBIEE, Hyperion, DB2, Oracle, Exadata, Teradata, Cloud, SSRS, SQL, PL/SQL, SQL Server, UNIX, AUTOSYS, OBIEE, Flat Files, Teradata SQL Assistance.
Confidential, Charlotte,NC
Sr Informatica/Database Developer
Responsibilities:
- Responsible for Business Analysis and Requirements Collection and involved in Designing Technical Specification
- Created Common objects for the ETL team to maintain the Common Code and Documented standards for Informatica code development
- Used Informatica to load data from Flat Files to Oracle10g database and SQL server to Oracle.
- Created Informatica mappings using the transformations like Source Qualifier, Aggregator, Expression, Lookup, Router, Filter, Update Strategy and Joiner transformations
- Created several complex Informatica mappings as per business requirements and handled ETLs to load huge volume of data.
- Created reusable transformations and Mapplets and used them in complex mappings
- Created bulk data loads from multiple data sources in to Teradata using BTEQ, Multi load, and Fast load utilities.
- Crated Nested queries and fine-tuned long running queries.
- Identified and created the necessary indexes on the tables.
- Involved in Creating, Validating, Testing and running the sequential and concurrent Batches and Sessions
- Involved in Tuning critical Informatica jobs & database loader jobs.
- Created Deployment groups and worked closely with DBAs to migrated Informatica code /database tables from Dev to QA and QA to Production.
- Crated and worked on Jade Items for Code fixes & data fixes.
- Performed Unit Testing and Integration Testing for Data Warehousing Applications and tuned for better performance
- Involved in support for MDM related jobs in Production environment.
- Involved in Code Reviews & suggested best practices and presented Informatica new features in USER Group meetings.
Environment: InformaticaV8.1/8.6, Oracle 10g, Teradata Utilities, MS Visual studio, SSIS, UNIX, Flat Files, Toad
Confidential
Sr ETL Developer
Responsibilities:
- Responsible for Business Analysis and Requirements Collection and involved in Designing Technical Specification
- Transforming high-level design spec to simple ETL coding. Designing mappings according to the mapping standards, naming standards and warehouse standards for future application development
- Created Common objects for the ETL team to maintain the Common Code and Documented standards for Informatica code development
- Involved in the creation and maintenance of the logical and physical data model using ERWIN tool.
- Extensively used UNIX based UDB loader scripts to load data from DB2 to XML files and DB2 tables to Flat Files.
- Used Informatica to load data from Flat Files/CSV files/XML files to DB2, DB2 to Flat Files.
- Created Informatica mappings using the transformations like Source Qualifier, XML SourceQualifier,Union,SQL Aggregator, Expression, Lookup, Router, Normalizer, Filter, Update Strategy and Joiner transformations
- Created several complex Informatica mappings as per business requirements.
- Created reusable transformations and Mapplets and used them in complex mappings
- Created Complex SQL’s, Stored Procedures to support Info factory, CDM & CRM related jobs.
- Involved in Creating, Validating, Testing and running the sequential and concurrent Batches and Sessions
- Involved in Tuning critical Informatica jobs & database loader jobs.
- Created Deployment groups and worked closely with DBAs to migrated Informatica code /UDB jobs from Dev to Systems Test
- Worked with Production support team on Sproj work for fixing data in Systems, QA, and Production.
- Crated SCCS & CMR tickets for Code migrations & data fixes.
- Performed Unit Testing and Integration Testing for Data Warehousing Applications and tuned for better performance
- Involved in 24/7 on-call support for Info Factory, CDM, and CRM related jobs in Systems & QA & Production environments.
- Involved in Code Reviews & suggested best practices and presented Informatica new features in USER Group meetings.
Environment: InformaticaV8.6.1, InformaticaRealTime, Oracle, OFSAA, DB2, UNIX, Flat Files, XMLFilesDBArtisan, Erwin, Maestro, Beyond Compare, RUMBA, SCCS, Reflex.