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Sr. Performance Engineer Resume

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Des Moines, IA

PROFESSIONAL SUMMARY:

  • Over 7 years of diverse experience in Performance Engineering methodologies. Hands - on experience in design, development and execution of Performance Test Plans as well as Test Strategies for Automated Performance Testing. Capacity to identify problems, analyze test results, and investigating their cause and suggesting remedies.
  • Extensive knowledge of Software Development Life Cycle (SDLC), Performance Test Life Cycle, Scrum and Agile having thorough understanding of various phases like Requirements, Analysis/Design, Development and Testing.
  • Hands on experience in Load Runner including Web (HTTP/ HTML), Web Services. Some hands on experience using other Tools - Silk Performer, Quick Test pro, Wily Intro Scope, and Rational Tools
  • Performance testing expertise in developing Performance Test plans, Test Strategy, Load Modeling, Performance Metrics and Performance Analysis.
  • Proficient with using Web, Web Services, Citrix, Winsock,SAP GUI, SAP Web and in LoadRunner
  • Developed and deployed test Load scripts to do end to end Performance testing using Load Runner.
  • Sound knowledge of creating Load, Stress and Performance tests using LoadRunner
  • Experience in monitoring servers using tools like SiteScope, Wily.
  • Analyzed the test results (TPS, Hits/second, Transaction response time, CPU utilization etc) using Loadrunner Analysis, various monitor tools and prepare Test Reports
  • Checked for Network Bottlenecks using Network Delay Time and Vuser Graphs
  • Extensively used of Quality Centerfor Change Management and Defect Tracking.
  • Experience in monitoring servers using tools like SiteScope, Wily, TeamQuest.
  • Excellent Documentation, Management and Presentation skills for the QA Project Team including Test Plan, Test Case Specs, Test Requirement, Test Case Matrix and Defect Reports.

TECHNICAL SKILLS:

Testing Tools: LoadRunner 7.5/8.0/ 8.1/9.0/9.1/9.5/11 , Quick Test Professional, Win runner, WilyQuality Center/Test Director 6.0/7.6/8.0/9.2 , Site Scope, Rational Clear Quest.

Operating Systems: Windows XP/2000/NT/2003, Macintosh, UNIX

Languages: Java, C, C#, .NET, JAVA/J2EE,Java Script, XML, VB script, 4-Test, TSL, PL/SQL

Databases: MS SQL Server 7.0/2000/2005/2008 , DB2, Oracle 9i/10G/11i, SQL, PL SQL.

Web Servers: iPlanet, Web Server 4.1, Tomcat 3.2.1/4.0.1 , IIS

Application Servers: Web logic 6.1, iPlanet 6.0, WebSphere 5.0, Jakarta Tomcat 4.1.29, JRun

Design Tools: UML, Rational Rose, ERwin 4.0/3.5, Visio, MS Project

ERP: SAP ECC/4.6 B/4.6C

Middleware: WebMethods 6.5, EDI, JMS

Internet Tools: HTML, JavaScript, VBScript, VBA, JSP, XML, ASP, .NET

PROFESSIONAL EXPERIENCE:

Confidential, Des Moines, IA

Sr. Performance Engineer

Responsibilities:

  • Prepared Test Plan and Test Cases based on the business requirements.
  • Involved in conversion testing to convert data from existing systems for use in replacement systems.
  • Conducted load, performance testing and monitors to identify bottlenecks using Loadrunner.
  • Analyzed various Load conditions and Transaction Profile documents to evaluate the peak load conditions.
  • Loadrunner is used for Load and performance testing and analysis of various reports.
  • Created scripts that randomized test data and parsed responses for session ID information in order to dynamically update virtual user scripts while running load tests.
  • Correlation is done to VuGen Scripts for supplying unique data to the scripts.
  • Installed and configured Loadrunner Monitors on UNIX environment.
  • Configured different Run Time Settings in Controller for various scripts.
  • Performed database validations using SQL.
  • Performed resource analysis (defined number of generators, hardware and software requirements, and number of machines for stress testing).
  • Used Toad to access database and performed functional Database Testing
  • Managed performance Test environment by installing Loadrunner agents to manage load tests on the host machines.
  • Created and designed different scenarios to best simulate the real world conditions.
  • Created various Load scenarios using by managing different VuGen script.
  • Monitored server resources for different scenarios and end user response time for various transactions.
  • Used Analysis to check the performance using various graphs and reports.
  • Interacted with Developers to report and track Defects using various defect tracking tools like Quality Center, Clear Quest.

Environment: LoadRunner, Performance Center, Rational Clear quest, Quality Center, Test Director, BAC, VB Script, .Net, JavaScript, SQL, Java, JAVA, J2EE, JSP, IIS, XML/XLST, Oracle, Windows 2000, UNIX, Solaris, Vision, UML, Rational Requisite Pro.

Confidential, Mount Laurel, NJ

Performance Engineer

Responsibilities:

  • Involved in writing detailed Performance Test Plans, Test Scripts and Test Cases based on requirements using
  • Involved in creating various Performance test scripts for testing the web-based applications using LoadRunner 9.5with HTTP/HTML and Web Services protocols.
  • Interacted with the various project teams to find out the end user actions and scenarios.
  • Involved in developing and maintaining scalable, reusable performance test scripts using LoadRunner.
  • Extensively used Vugen to create and debug scripts.
  • Debugged and enhanced the Load Runner Scripts using C Language.
  • Parameterized the scripts and enhanced large files according to the test cases.
  • Provided multiple sets of data during test execution and used the data randomly, sequentially and uniquely.
  • Uploaded Scripts, Created Timeslots, and Created Scenarios and ran Load Tests in controller.
  • Added and monitored Web Logic, App server and Windows servers during performance testing by using SiteScope.
  • Develop and maintained the Test strategies, processes and standards.
  • Involved in the performance testing of a number of Apps Running on a variety of platforms ranging from legacy systems to Web (JAVA J2EE, Microsoft.NET).
  • Used Controller to perform Load Test, Longevity test and Stress Test.
  • Performing the Load testing to test the behaviour of the DB Servers, Web Servers and Application Servers.
  • Analyzed the Windows Resource utilization viz. CPU and Memory impact on the application and server when there is a change in load and environment.
  • Analyzed Average CPU usage, Response time, TPS and also analyzed Web Page Breakdown graphs to pin-point response time problems.
  • Performed Base Line test for comparison with actual Load Test.
  • Performed back-end testing by querying the database with complex SQL queries and validate the data populate in tables.
  • Identified defects, assess root cause, and prepared detailed information for developers and business stakeholders
  • Responsible for making defect status report and project status report every week.
  • Identified performance bottlenecks and the Web, Middleware and databases, by configuring Site scope monitor on servers, and using detailed analysis.
  • Conduct performance testing and coordinate monitoring as joined activity - DBA and application developers monitoring the server health.
  • Analyze test results and prepare detailed Performance Test Reports including the recommendations.

Environment: .Java,.Net, Web logic, Web Services, XML, Load Runner, Wily, Quality Center, Site Scope, Oracle, SQL

Confidential, IL

Performance Analyst/Sr.Tester

Responsibilities:

  • Defining the test scenarios and making sure that scripts are working according to planned scenario.
  • Different loads at different increments generated starting from 50 Users and ramped up to 1000 Users until it reached 100% CPU.
  • Extensively worked on Virtual User generator. Scripts in VuGen and enhancing the Script by doing Correlation, parameterization and debugging the script.
  • Configured Load Runner to monitor various performance parameters of database servers, application server s and web servers - for e.g. - CPU usage, total sessions created, current open sessions count, and number of open users on the database.
  • Heavily involved in designing load models for all the projects undertaken here. It involved lot of calculations for accurate balancing of the load.
  • Extensively used NT Performance Monitor to analyze the System Bottlenecks like Memory Leaks, CPU Utilization etc and also Network Bottlenecks.
  • Verify the firewall checkpoints with HP Diagnostic’s tool.
  • Designing and Executing the Scenarios in Performance Center and Used the Controller to perform Load Test and Stress tests.
  • Used Performance monitor and Load Runner graphs to analyze the results.
  • Identifying the Bottlenecks and reporting the conflicts against the SLAs.
  • Work with development team, users and support groups to understand the application architecture, use the current production issues to simulate the best possible real time scenarios for load and stress testing.
  • Communicating and leading with offshore teams, scheduled meetings to discuss.

Environment: Load Runner, HP Quality Center,HP Performance Center, SAP ECC, BI, BW,BI, BW Portal, MM, SD, XML, SAP GUI, BEA Web Logic, J2EE Diagnostics, Web Services, JavaScript, IIS, COM+, CA Wily Introscope, Oracle 10g/9i SCM, F&R, FI, SAP Net Weaver, MDM, web Methods and Client.

Confidential, Bridgewater, NJ

Performance Tester

Responsibilities:

  • Identified End-End Scenarios and developed High Level Scenarios for Performance Testing based on Agile Methodologies.
  • Performed Backend testing by integrating SQL queries within scripts and validated the backend workflow under load testing.
  • Used Load Runner9.1 VUGen to verify the transaction response time for various user actions by generating load test scripts and inserted Check points while recording the script in Keyword View.
  • Created Load/Stress scenarios forperformance testing using the Load Runner Controller9.1.
  • Created Traceability matrix between Requirements and Test Cases.
  • Configured Parameters to monitor Memory Utilization, CPU Utilization, Throughput, Network Connections, etc for Web Server, App Server and Data Base Server Monitors in Load Runner.
  • Monitored various graphs like Throughput, Hits/Sec, Transaction Response time, Windows Resources (Memory Utilization, CPU Utilization, Threads, etc..) while execution from controller.
  • Analyzed and prepared test results, analysis summary reports, AWR reports and identified the bottlenecks in the system and suggested technical recommendations to project teams.
  • Performed Regression testing, defect tracking, followed up with the development team to verify bug fixes.
  • Used JIRA (bug tracking tool) as repository for requirement analysis, design test cases, execute test cases, bug tracking and reporting.
  • Execution of the test scenarios and scripts and review of product functionality with co-ordination between development team and testing team.
  • Worked with project stakeholders about status, architecture details, issue escalations, etc.
  • Participated in the Go/No-go meetings.

Technical Environment: HP LoadRunner 9.2/9.1, Clear quest, Clear case, Java, VBscript, J2EE, JIRAXML,Oracle 9i, QC, IIS 6.0, IE6, Windows XP.

Confidential, Fairfax, VA

QA Tester

Responsibilities:

  • Involved in preparing test plans and test cases based on the functional requirement using Rational Test Manager.
  • Involved in Configuration Testing.
  • Performed Class Mapping for the objects of non-standard class.
  • Performed Sanity Testing & Smoke Testing.
  • Prepared Test Data for positive and negative testing.
  • Performed Back-End Testing to ensure data consistency on front-end by writing and executing SQL statements using data pools in Rational Robot.
  • Created extensive Data Driven Test scripts for reading data from Data Pool.
  • Performed Security testing of the application to check unauthorized access.
  • Involved in the Functionality and Configuration testing of the application.
  • Involved in writing Test Matrix and Traceability Matrix.
  • Reported weekly status of bugs using Clear Quest.
  • Involved in version, tracking defects, enhancement requirements using Clear Quest.
  • Participated in the project meetings

Environment: Windows NT, Windows 2000, HTML, Java, Oracle, SQL, IIS and Rational.

Confidential

QA Tester

Responsibilities:

  • Written and organized the Test cases, Test Procedure, Expected results according to the feature categories specified in the requirements document. Test Cases involved both the positive and negative test cases for each feature.
  • Gathered the Test Input data. Test Input data includes Pre-condition, Test Input, Test Result, Test Regression data.
  • Involved in the Planning of TestStrategy on how to automate the testing. Selected the Test Cases for Regression testing and automated the Test Cases using WinRunner.
  • Created VUser scripts for Loadtesting to verify the throughput capacity and ensure performance meets or exceeds previous performance benchmarks using LoadRunner Controller. Created Large number of VUsers and different scenarios for the application, simulating the real time environment.
  • Inserting Rendezvous points for testing the performance during key transactions of the application.
  • Analyzed components to generate performance results as graphs and reports and to identify the bottlenecks in the server, database and network side.

Environment: VBScript, JavaScript, .NET, ASP, Oracle, SQL Server 2000, Window NT, Mercury Suite.

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