Senior Etl Tester Resume
Richmond, VA
SUMMARY
- Having +8 years of Information Technology experience; all of her experience is relevant in ETL/ Data Warehouse Testing and is being presented for ETL QA Analyst.
- Experience in software QA Testing and Data Warehouse using ETL tools Informatica, SSIS, Data stage and Reporting tools SSRS, OBIEE and Business Objects.
- Extensive Experience in Quality Center which includes Uploading Requirement, Preparation of Test cases and uploading, Execution of Test Cases, Logging & tracking Defects, Preparation of Metrics and Preparing Status reports for test design Phase and Execution Phase.
- Sound Knowledge and experience in Metadata and Star schema/Snowflake schema. Analyzed Source Systems, Staging area, Fact and Dimension tables in Target Data Warehouse.
- Strong experience in Cognos reports, cubes, extracts and Data Warehouse tables testing.
- Sound knowledge and experience in Data Warehousing and Business Intelligence Testing using different tools like SQL, SSIS, SSRS, DataStage, Cognos etc.
- Expertise in writing and executing test cases based on given software requirement specification and developed detailed Test Plan.
- Performed Functional testing, Integration testing, System testing, Regression testing, and Smoke Testing.
- Experience in Problem solving and Bug reports using Defect Tracking Tool Mercury Quality Center.
- Highly motivated, organized, able to work independently and able to switch between projects quickly.
TECHNICAL SUMMARY:
Testing: Manual Testing, DWH - Testing, Report testing and ETL Testing
Manual Testing: Functional Testing, System Testing, Regression testing
Defect Tracking Tool: MQC, Test director, JIRA
Data Warehousing: SQL Server 2008, Teradata7.2, SSIS, Cognos 10, DataStage
Operating Systems: Windows NT, 9x, 2000, XP, 2003 Server, Linux, SUN Solaris
PROFESSIONAL EXPERIENCE:
Confidential, Richmond, VA
Senior ETL Tester
Responsibilities:
- Identifying field and data defects with required information in ETL process in various jobs and one to one mapping.
- Tested Complex ETL Mappings and Sessions based on business user requirements and business rules to load data from source flat files and RDBMS tables to target tables.
- Load source file data into data warehouse using SSIS package.
- Created the test environment for Staging area, loading the Staging area with data from multiple sources.
- Extraction of test data from tables and loading of data into SQL tables.
- Validated the data in the reports by writing simple to complex SQL queries in the transactional system.
- Executed the Test cases for Cognos.
- Performed segmentation to extract data and create lists to support direct marketing mailings and marketing mailing campaigns.
- Oversaw the historical loads in UAT and PROD environments.
- Also worked on Integration of all the processes in UAT/PROD.
- Optimizing/Tuning several complex SQL queries for better performance and efficiency.
- Prepared the test cases after thorough analysis of each requirement.
- Prepared test data by modifying the sample data in the source systems, to cover all the requirements and scenarios.
- Conducted and actively participated in reviews, walkthroughs of test cases.
- Reviewed the ETL mappings to ensure the transformation rules are applied correctly.
- Created and executed SQL queries to perform source to target testing on Oracle database.
- Coordinated with different users in UAT process.
- Performed Unit testing for all reports and packages.
Environment: Oracle9i, Mercury QC 9.0/11, SQL SERVER 2008, Cognos 7.0 Series, Windows XP/2000 and UNIX.
Confidential, Wilmington, DE
ETL/SQL Tester
Responsibilities:
- Assisted in creating fact and dimension table implementation in Star Schema model based on requirements.
- Troubleshooting, resolving and escalating data related issues and validating data to improve data quality.
- Extensively tested the Business Objects report by running the SQL queries on the database by reviewing the report requirement documentation.
- Validating the reporting objects in the reporter against the design specification document.
- Validating the data files from source to make sure correct data has been captured to be loaded to target tables
- Extensively used Cognos to load data from Flat Files to Teradata, Teradata to Flat Files and Teradata to Teradata. Reviewed Cognos mappings and test cases before delivering to Client
- Written Test Cases for ETL to compare Source and Target database systems.
- Extracted data from various sources like Oracle, flat files.
- Supported the extraction, transformation and load process (ETL) for a Data Warehouse from their legacy systems using Cognos.
Environment: SSIS, Oracle8i, SQL, Cognos 7.0 Series, WindowsXP/2000 and UNIX.
Confidential, Chicago, IL
ETL Tester
Responsibilities:
- Responsible for creating complete test cases, test plans, test data, and reporting status ensuring accurate coverage of requirements and business processes.
- Analyzing requirements and creating and executing test cases
- Involved in ETL process testing using Cognos ETL tool.
- Test Case Execution and Adhoc testing
- Performed Integration, End-to-End, system testing.
- Involving in Functional Testing & Regression Testing
- Involving in writing SQL queries and Database Checkpoints to verify data quality and calculations, reviews
- Performed data validation testing writing SQL queries.
- Wrote complex queries in Teradata SQL assistant to check the data from Source and Target.
- Used Teradata utilities (MLOAD & FLOAD) to load the source files in to test region. And did the querying on the same data.
- Supported the extraction, transformation and load process (ETL) for a Data Warehouse from their legacy systems using Cognos.
- Working on Quality Center for creating and documenting Test Plans and Test Cases and register the expected results
Environment: SQL Server 2000, Teradata V2R6, Crystal Reports, Oracle 8i, Microsoft Business Intelligence, MS Excel, Flat Files.
Confidential, Weehawken, NJ
QA Tester
Responsibilities:
- Involved in the meeting with business analysts and Marketing team for requirement gathering in Definition Stage.
- Gathered and Analyzed Functional and Performance requirements.
- Involved in project planning, coordination and implemented QA methodology.
- Extracted test data by understanding relational database design diagrams Created.
- Designed, Created and executed manual Test Cases.
- Reviewed Test cases for automation and provided inputs about the scope of Automation.
- Prepared documentation about the automation suite architecture.
- Peer Review of the scripts and made recommendations for updates if any.
- Used SSIS to load source files into landing database.
- Performed extensive backend testing by writing Complex SQL queries.
- Setup the Performance test environment with the support of technical team.
- Response time, throughput, hits per second, etc were studied by graphs and reported.
- Created manual & automated test cases for testing web services.
- Used Test Director for storing, maintaining the test repository, bug tracking and reporting.
- Prepared documentation for some of the recurring defects and resolutions and business comments for those defects.
- Assist QA Team with defining and implementing a defect resolution process including defect priority, severity, next steps, and assigned owner.
Environment: Windows XP, SQL*Plus, Oracle 8i, MS Office Suite, SQL Navigator
Confidential
ETL Tester
Responsibilities:
- Analyzing the user specification/Client requirement documentation.
- Prepared and reviewed detailed test scenarios and test cases covering the mappings and Reports.
- Reports creation and data validation.
- Execution of test cases and defect tracking through Quality Center.
- Involved in collection of test metrics.
- Participated in review meetings and status meetings.
- System testing of the application and raised maximum number of defects.
- Identified design flaw and got good appreciation from client.
- Update testing status to client in client meeting on daily basis.
Environment: SQL, PL/SQL, UNIX and Mercury Test Director.
Confidential
ETL Tester
Responsibilities:
- Proof of concept development for Back Ground Reports Module.
- Involved in preparation of test cases.
- Involved in Functionality Testing and Regression Testing.
- Testing manually all the Screens for Privileges of user.
- Effective Coordination between Development team and testing team.
Environment: Spring - Hibernate, JBoss Application Server, SQL and Mercury Quality Center.