Tahir A.

• Highly Skilled Teradata certified/Horton-works Big Data Certified Professional having 10 + Years of experience in Operational Data warehousing , Business Intelligence and Big data Analytics. • Carried out multiple roles across the project life cycle and has experience in implementing the large scale data analytics solutions including complex Telecommunication, Retail, Manufacturing and Construction industry data warehouse and BI/Data Analytics solutions • Strong ETL & DWH design and development experience using cutting edge industry tools e.g. Teradata 12/13/14 , Teradata Utilities , Informatica , ODI , Oracle ODIC, Data Stage , MS SSIS , MS SSRS , Toad, SQL- Developer etc. • Designed high level ETL architecture for overall data transfer from the OLTP to OLAP with the help of multiple ETL tools and also prepared ETL mapping processes and maintained the mapping documents.