S atish Babu Narra
IBM Certified Solution Developer-
IBM InfoSphere DataStage v9.1
Tel. no.:+91-996*******
Email: narra.satishbabu@ outlook.com
Professional Summary:
Having three years of Experience on Data Warehouse projects and database solutions.
Worked on Data warehousing tools such as IBM InfoSphere DataStage 8.5 using
Oracle9i/10g and IBM InfoSphere DataStage V9.1 and V8.7 using Oracle 10g and
Netezza.
Develop processes for Cleansing, Transforming, Extracting and Loading data with use
of Data Stage.
Experience in Designing, Developing, and Monitoring of Data Stage parallel jobs.
Extensively worked on the DataStage client tools such as DS Designer, DS Director.
Extensive knowledge on Data Warehousing concepts like Star Schema, Snow Flake
Schema, Dimension and Fact tables.
Experience in handing the different types of Slowly Changing Dimensions like Type1
and Type2.
Knowledge in Informatica 9.1 for creating mapping's, Sessions, Worklets based on
client requirement.
Having Experience on server maintenance and Performance techniques.
Experience in integrating of various data sources like ORACLE and Sequential files.
Good knowledge in Writing SQL and PL SQL Queries.
Having enough exposure on Basic UNIX commands and Shell Scripting concepts.
Thorough knowledge in complete life cycle of an Enterprise Data Warehouse.
Effective Documentation of the Development Process like Low Level Design
Documents and Unit Test Case documents.
Professional Experience:
Working as ETL developer at Bodhtree Consulting Limited, Hyderabad from July2013
To till Date.
Working as software engineer at IBM, Hyderabad from March 2012 To July 2013
Education Qualification:
Master of Computer Applications from JNTUK in 2012.
Bachelor’s of Science from Acharya Nagarjuna University in 2009.
Technical Skills:
Business Intelligence Tools IBM DataStage (V8.7,8.5,8.0.1,9.1)
Database Oracle, MS-SQL Server
Operating systems Windows 2000/XP/7,UNIX
Languages C,SQL
Packages MS-Office
Project Summary:
Project#1:
Project Title : STAR-HEALTH Insurance
Client : SATR-HEALTH,Chennai.
Duration : Aug 2013 to Till date.
Role : ETL Developer
Environment : IBM Information Server v9.1, Oracle 10g.
Description:
• Star Health and Allied Insurance Co Ltd is a joint venture between Oman Insurance Company UAE,
Leading NRIs and an Indian company being a special purpose vehicle formed by a group of business tycoons.
• In February 2013, Tata Capital invested in Star Health Insurance [2] thereby increasing the company`s
total capital base to 5.49 billion (US$89 million).
• In April 2013,Star Health Insurance became the first Insurance company to launch a specialty policy for
people suffering from Cardiac ailments, Star Cardiac care the one of its kind policy for persons who had
undergone Heart Surgeries(Angioplasty and Bypass).
•
• The aim of the project is to build a DataMart with the required dimensions and facts to
support the business intelligence system capable of analyzing the policies information and the status of
different claims, etc...
•
Responsibilities:
•
• Performed major role in understanding the business requirements and designing and loading the data into data
warehouse (ETL).
• Designed and developed ETL jobs using various stages like Join, Aggregator, Lookup, Transformer,
surrogate key generator, funnel, Sort, Remove Duplicates.
• Involved in resolving Production issues.
• Design the jobs with a SCD Type2 to keep track of historical data.
• Involved in taking regular backup of Datastage jobs.
• Worked with UNIX commands.
• Involved in Unit Testing of jobs.
• Extensively worked with flat files. Have Good Knowledge in Fixed width and Delimited Files.
• Co-coordinating work with the other team members.
•
Project#2:
Project Title : OSU (Ohio State University)
Client : IBM
Role : ETL Developer
Environment : IBM Information Server v9.1, Oracle 10g.
Project description
The Ohio State University (OSU) is a sprawling school with seemingly endless
opportunities for students to get involved. It offers a wide variety of graduate programs
through its highly ranked colleges. A datawarehouse for OSU is built using Ascential
Datastage V 7.5.2 and Oracle 10g Database. The main objective of OSU is now to improve
jobs performance by migrating server jobs with Oracle data to parallel jobs Netezza. The
process involves three steps, running server jobs and populating the target tables in oracle.
Moving all the data (source, staging and target) from oracle to netezza. Running parallel jobs
against the moved source data and loading target tables in a different schema in Netezza.
Validating the data loaded by server jobs and parallel jobs in Netezza
Roles, Responsibilities:
Effectively handling new/change requests from clients by proposing and
•
implementing cost and effort efficient solutions. Ensuring that all the requests are well
documented and are deployed as per plan.
Using ETL Code review tool primarily to help in the analysis of the jobs.
•
Understanding the project domain and working of the same.
•
Successfully migrated jobs for Payroll project from DataStage 7.5 to DataStage 9.1.
•
Providing technical and functional support for team members involved in the project.
•
Ensure that the project deliverables adhere to the company guidelines and satisfy the
•
client with adherence to timelines and quality of code
Designed a run job script that can be used to trigger any number of jobs. Designed
•
change data capture logic to reduce load time of jobs from 12 hrs. to less than 15
minutes.
Single point of contact for all DataStage support and enhancement activates.
•
Awarded two “Outperform Award” for exceeding client expectations.
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Received numerous appreciations for developing value additions which significantly
•
increased performance
Platform & Skills:
Ascential Datastage 7.5x2, Data Stage 9.1, Oracle 10g, Netezza 6.0. IBM/AIX, Sql
Developer, Aginity, Flat files, Dataset, WinScp, Putty and Windows Server 2003...