Etl/bi Tester Resume
Atlanta, GA
SUMMARY
- Over 7 + years of IT experience in the Analysis, design, development, testing and Implementation of Business Intelligence solutions using Data Warehouse/Data Mart Design, ETL, OLAP, Client/Server applications.
- Extensively used ETL methodology for supporting data extraction, transformations and loading processing, in a corporate - wide-ETL Solution using Ab Initio, Informatica power Center
- Experience in Dimensional Data Modeling using Star and Snow Flake Schema.
- Experience in testing and writing SQL and PL/SQL statements.
- Strong working experience in the Data Analysis, Design, Development, Implementation and Testing of Data Warehousing using Data Conversions, Data Extraction, Data Transformation and Data Loading (ETL)
- Experience in testing Business Intelligence reports generated by various BI Tools like Micro Strategy, Cognos and Business Objects
- Highly experienced with different RDBMS such as Oracle 9i and 10g, MS SQL Server 2000, Teradata, Mainframes DB2 and MySql.
- Experience in analyzing business specification documents, developing test plans, defining test cases, developing and automating test scripts.
- Extensive experience in Functional Testing, System Testing, Integration Testing, Regression Testing, User Acceptance Testing.
- Extensive experience in writing SQL and PL/SQL scripts to validate data warehouse.
- Involved in all the phases of Software Testing Life Cycle.
- Experience in UNIX commands and shell scripting.
- Experience with bug tracking tools like Quality Center and Clear Quest.
TECHNICAL SKILLS
Operating Systems: Windows Vista/XP/NT/2003/2000, Linux and UNIX
Databases: Oracle 11i/10g/9i/8i, MS SQL Server 2008/2005/2000 , Confidential DB2 8.1, Teradata V2R6, MS Access 2008
ETL Tools: Informatica Power Center 7.1, Ab Initio (GDE 1.15, Co. Op 2.15)
Languages: SQL, PL/SQL,Unix Shell Script, C
Testing Tools: Quality Center 10.00, Test Director, Rational Clear Quest
Reporting Tools: Micro Strategy 8.0, Cognos, Business Objects XIR2
PROFESSIONAL EXPERIENCE
Confidential, Atlanta, GA
Responsibilities:
- Analyzed Business requirements from BRS document.
- Participated in rigorous meeting with Business and Development team in analyzing the requirements and estimating and defining the test approach.
- Involved in time estimates for ETL and reports validations.
- Prepared Test Scripts according to the business requirements in HPQualityCenter.
- Responsible for testing Business Reports developed by Micro Strategy.
- Performed Master data regression, which is very important data for THD.
- Validated the data for core customer tables, which is a part of Performance enhancements to the core customer tables.
- Preparation of various test documents for ETL process in Quality Center.
- Validated data for Teradata and Mainframes DB2
- Developed test cases to test Teradata scripts (Bteq, multiload, fastload).
- Validated microstartegy reports as well as dashboards.
- Validated functionality and data in dashboards and reports.
- Validated Drill down reports and Ad hoc reports developed by microstartegy.
- Written Complex SQL for validating the Ab Initio Graphs.
- Converted Business and system requirements into positive and negative test cases.
- Experienced with UNIX commands like ls, wc and grep.
- Used SQL Assistant to query Teradata database tables.
- Reviewed log files in UNIX for error cause when graphs failed.
- Involved in Non-Functional testing i.e. Back out and Implementation.
- Used Teradata Export and Import utility for loading and unloading the Flat file data into Teradata tables.
- Validated Complex Ab initio graphs using mapping document provided by development team.
- Worked on issues with development team for migration of defect fix from development environment to QA environment.
- Updated Project lead and Project Manager with QA daily status report.
Environment: Teradata V2R6, Oracle 10g/11i, Ab Initio, Quality Center 9.2, SQL, UNIX, TOAD, Teradata SQL Assistant, Mainframes DB2 PL/SQL, Micro Strategy 8.0, MS Office, Flat File, Windows
Confidential, Richmond, VA
ETL/BI Tester
Responsibilities:
- Analyzed system requirements specified in Quality Center Requirements.
- Participated in meetings for code migration from dev to QA.
- Extensively used SQL to validate Teradata tables loaded by Ab Initio Graphs.
- Reviewed source to target matrix document and developed validations.
- Wrote Test cases for Enterprise Data Warehousing (EDW) Tables and Data Mart Staging Tables.
- Developed positive and negative test cases to validate Teradata tables.
- Executed Ab Initio ETL graphs from UNIX environment.
- Experienced with UNIX commands like ls, wc and grep.
- Used Unix VI Editor to access flat files data to validate target tables.
- Used SQL Assistant to query Teradata database tables.
- Validated Ab Initio transformations like reformat, filter and aggregates.
- Written complex SQL queries to validate ETL that loaded the data marts.
- Maintained defect life cycle from time to time using Quality Center.
- Preparation of various test documents for ETL process in Quality Center.
- Developed test cases to test Teradata scripts (Bteq, multiload, fastload).
- Used Toad for oracle for querying Oracle database tables.
- Compared Oracle and Teradata tables using Toad for Oracle.
- Responsible for testing Business Reports developed by Micro Strategy.
- Validated cosmetics like font and color in Micro Strategy reports.
- Written complex SQL queries to validate reports developed by Micro Strategy.
- Validated drilldown and crosstab reports developed by Micro Strategy.
- Worked with development team to ensure testing issues are resolved.
- Updated Project manager and QA Lead with QA and defect status.
Environment: Teradata V2R6, Oracle 10g/11i, Ab Initio, Quality Center 9.2, SQL, UNIX, TOAD, Teradata SQL Assistant, PL/SQL, Micro Strategy 8.0, MS Office, Flat File, Windows
Confidential, Durham, NC
Data Warehouse QA Analyst
Responsibilities:
- Analyzed the Functional requirements using Detailed Design Document.
- Setting up of environments to be used for testing and the range of functionalities to be tested as per technical specifications.
- Developed test cases and SQL queries based on mapping document.
- Worked with development team to ensure testing issues are resolved.
- Executed Ab Initio ETL graphs from Unix environment.
- Reviewed log files in UNIX for error cause when graphs failed.
- Written SQL queries to validate Ab Initio graphs and transformations.
- Queried Teradata target tables using SQL Assistant and documented results.
- Validated data marts against stage tables using complex SQL queries.
- Used SQL Server Management Studio to query SQL Server database.
- Tested reports like drilldown and crosstab reports developed by Micro Strategy.
- Validated filter and calendars in micro strategy reports.
- Conducted system and integration testing on Ab Initio ETL graphs.
- Tested summary reports, detail reports developed by Micro Strategy.
- Defects tracking, review, analyze and compare results using Quality Center.
- Preparation of various test documents for ETL process in Quality Center.
- Involved in time estimates for ETL and reports validations.
- Executed test cases and documented test results in excel spreadsheet.
Environment: SQL Server 2005/2008, Teradata V2R5, SQL, Ab Initio, Quality Center 8.0, SQL Assistant, Unix, SQL Server Management Studio, Micro Strategy 8.0,XML.
Confidential, SFO, CA
ETL/BI Tester
Responsibilities:
- Written test cases for validating Informatica Power Center mappings.
- Queried Oracle tables using Toad for Oracle.
- Created and executed test cases and compared the result with expected result
- Used Informatica workflow manager to run workflows.
- Used workflow monitor to monitor workflows and review session log files.
- Experience in preparing the traceability matrix, test scenarios and test cases.
- Involved in preparation of Requirement Traceability Metrics (RTM), Software Metrics,
- Defect Report and requirement traceability using Test Director.
- Reviewed the test cases written based on the Change Request document.
- Tested data migration to ensure that integrity of data was not compromised.
- Experienced in writing complex SQL queries for testing data in oracle targets.
- Tested Cognos business reports using complex sql queries.
- Validated reports cosmetic like color, size in cognos reports.
- Reviewed the test cases written based on the Change Request document.
- Preparation of System Test Results after Test case execution.
- Developed SQL* loader scripts to load the data into the custom tables.
Environment: Oracle 10g, Informatica Power Center 7.1, Test director, SQL, Unix, Toad, Cognos, MS Office, Windows XP
Confidential, IL
ETL QA Analyst
Responsibilities:
- Involved in Design and development of test plans based on high-level and detailed designs.
- Analyzed requirements given by the business analysts and developed test cases.
- Performed black box/functional testing and regression testing.
- Written SQL for validating Informatica ETLs.
- Used Informatica workflow manager and workflow monitor during data load.
- Parameterizes test cases for use with varied, controlled test input values (runtime-generated, user-defined, or from data sources)
- Worked on issues with migration from development to testing.
- Designed and developed UNIX shell scripts as part of the ETL process, automate the process of loading, pulling the data.
- Developed Test Plan, Test Strategy and Testing Scope Document.
- Tested business reports developed by Business Objects.
- Used SQL for Querying the database in UNIX environment
- Developed separate test cases for ETL process (Inbound & Outbound) and reporting
Environment: Informatica, Windows, MS-Office Tools, SQL, PL/SQL, XML, XSLT, Manual Testing, Test Director, Oracle, UNIX, Manual Testing, Business Objects
Confidential
QA Analyst
Responsibilities:
- Analyzed business requirements and functional specifications.
- Conducted the Functional, System, Integration, Regression, and performance testing of the Web application
- Worked with Functional Analyst and Solutions Architect for converting requirements and design documents.
- Closely worked with Subject Matter Experts. Extensively involved with performance testing.
- Created test processes, test cases and methods for performing these tests using technical document.
- Written SQL queries to validate backend database tables.
- Involved in Manual testing of the Java applications
- Developed and Tested the Web application
Environment: Java, Java Servlets, Oracle, HTML, DHTML, JDBC