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Performance Engineer Resume

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Omaha, NE

SUMMARY

  • Over 8 years of extensive experience in LoadRunner and Performance Centre including Virtual User Generator, Controller, LoadRunner Agents, Result Analysis
  • Extensive experience in designing the test cases based on BTRD.
  • Analysed the test results (TPS, Hits/second, Transaction response time, CPU utilization etc.) using LoadRunner Analysis, various monitoring tools and prepare Test Reports.
  • Checked for Network Bottlenecks using Network Delay Time and Vuser Graphs.
  • Extensive experience in using LoadRunner monitors such as IIS Monitor, Web Logic 8.1 Monitor.
  • Written LoadRunner Scripts, enhanced scripts with C functions, Parameterized, stored dynamic content in LoadRunner functions. Text checks were written, Created scenarios for Concurrent (Rendezvous) and Sequential users. Run time settings were configured for HTTP, iterations. Simulated Modem speeds to bring the testing scenario to real world. CPU, Memory, ASP Requests, Network, Web connections and through put were monitored while running Baseline, Performance, Load, Stress and Soak testing.
  • Measured Response times at sub transaction levels at web, App servers and database server levels by using Optimal Application expert. Highly concentrated on Transactions per sec during testing.
  • Experience in monitoring Oracle Database performance for Indexes, Sessions, Connections, poorly written SQL queries and dead - locks for each component of application.
  • Experience in monitoring servers using tools like SiteScope, Wily etc.
  • Hands on experience with analysis of business, technical, and functional requirements and Developed, Executed & Tested the test plans, test cases and test strategies.
  • Good understanding of object oriented methodologies, software life cycle and software testing methods.
  • Experience in using Dot Net Diagnostics tool in LoadRunner.
  • Extensive experience in analyzing performance bottlenecks such as very high CPU usage, memory leaks.
  • Performance tested the .Net applications and Java applications using LoadRunner.
  • Developed different scenarios to isolate bottlenecks like Smoke Test, Scalability testing, Reliability testing, Stress testing, fault tolerance testing, Performance regression testing etc.
  • Good with Debugging, Identifying, Adjusting and fixing script errors by running it within VuGen.
  • Excellent with parameterization and correlation.
  • Configured and used SiteScope to monitor and analyze the performance of the server by generating various reports of CPU utilization, Memory Usage, JVM Heap Size etc.
  • Involved in analyzing, interpreting and summarizing meaningful and relevant results in a complete Performance Test Report.
  • Extensively Worked in Web, Citrix, Click and Script, Oracle Protocol, Seibel, Winsock, Soap protocols, Web Services, RTE, SAPGUI.
  • Configured and used SiteScope Performance Monitor to monitor and analyze the performance of the server by generating various reports from CPU utilization, Memory Usage to load average etc.
  • Analyzed LoadRunner Metrics and other performance monitoring tools results during and after performance testing on Application server database and generated various Graphs and Reports.
  • Utilized Database, Network, Application server and WebLogic Monitors during the execution to identify bottlenecks, bandwidth problems, infrastructure problems, and scalability and reliability benchmarks.
  • Analyzing performance, graphs and reports.
  • Working with different Vuser types and groups.
  • Filtering and sorting information.
  • Configuring Run-Time settings for Vugen and Controller.
  • Monitoring Vusers status.
  • Well versed with all functionality of Virtual User Generator, Controller, and Analysis.
  • Configuring Pacing and Think Time to meet load rates.

TECHNICAL SKILLS

Platforms: Windows 95/98/2000/NT/XP/Windows Vista/Windows 7, Unix

Environment: MS .NET Framework 3.5/2.0/1.1, MS VISUAL STUDIO 2008/2005

Programming/Scripting Languages: C#, .net, VB Script, JavaScript, XML, HTML, SQL, Flash Action Scripting 1 & 2, JSP, Shell script

RDBMS: SQL Server 2005/08, Oracle, Toad, MS Access

Testing Tools: Quick Test Professional (QTP), Selenium, Quality Center (QC), HP Sitescope, Test Director, Performance Center, Load Runner, SOAP UI,Junit, JMeter

Miscellaneous: MS Office, Web Services, Salesforce, TIBCO

Version Control Tools: Visual SourceSafe (VSS), SharePoint

Project management: Microsoft Project, PC2/PS7

PROFESSIONAL EXPERIENCE

Confidential - Omaha,NE

Performance Engineer

Responsibilities:

  • Prepared test planning document based on analysis of requirements and design documents.
  • Execute performance / volume testing to ensure all development deliverables are production ready using HP Performance Center.
  • Write/maintain test case scripts and execute; document detailed results and summary report.
  • Multi-task between current release, install activities, and prioritize task for next release
  • Coordinated with project team members Business Analyst and developers on testing requirements.
  • Monitor and resolve testing issues.
  • Developed and Executed JMeter Scripts.
  • Manage testing tasks concurrently on multiple projects.
  • Coordinate the overall execution of the test plan with group and business representatives.
  • Good knowledge of Spotlight software.
  • Participated in the Performance and Infrastructure testing activities surrounding Web based, middleware applications, a set of web services built on varying technologies (.net, J2EE based web services).
  • Good understanding of the project life cycle, from analysis to production implementation, with emphasis on test data metric analysis, performance testing, load/stress testing, and auditable documentation of plan and results.
  • Used Winsock and ODBC Protocol to execute store procedure using LoadRunner for Database migration from Sybase to SQL Server.
  • Used SOAP UI for testing of the web services under the implemented SOA framework.
  • Used Manual and Automated Correlation to Parameterize Dynamically changing Parameters
  • Prepare the data for the Parameterized values in the scripts for multiple scenarios
  • Developing Vuser scripts and enhanced the basic script by Parameterizing the constant values using LoadRunner.
  • Extensively used Quality Center for test planning, maintain test cases and test scripts for test execution as well as bug reporting
  • Used Quality Center to invoke the scripts and initially performed the baseline testing and organized all the scripts systematically and generated reports
  • Researched on production issues.
  • Additional responsibilities as directed by either the QA Lead or Management

Environment: HP LoadRunner 11/11.5, HP UFT, Performance Center, HP ALM, SharePoint, Sitescope, Java, C, VBScript, TSL, XML, HTML, MS Office, SQL, PL/SQL, VTS, SOA, Crystal Reports, WebServices,, WebSphere(WAS), Unix and Windows.

Confidential, NYC-NY

Performance Engineer

Responsibilities:

  • Worked closely with Business Analysts and Developers to gather Application Requirements and Business Processes in order to formulate the test plan.
  • Developed scripts using LoadRunner by recording/playback and as well as by writing custom functions.
  • Involved in test environment build and designed Load (capacity) model on the basis of current volume and projected percentage increase in volume.
  • Developed Vugen test scripts in Loadrunner for Oracle forms and JSP pages using NCA and HTTP protocols.
  • Interacted directly with developers, project managers for the development, execution and reporting of all testing efforts.
  • Actively took ownership of defects and coordinate with different groups from initial finding of defects to final resolution.
  • Analyzed Load Runner on-line graphs and reports to identify network/client delays, CPU /memory usage, I/O delays, database locking and other issues at server level.
  • Responsible for Performance Tuning Java Application.
  • Performed both automatic and manual correlation using the options in LoadRunner.
  • Analyzed system usage information such as task distribution diagram and load model to create effective test scenarios.
  • Configured Web/Application/Database server monitoring setup using LoadRunner Controller.
  • Used IP spoofing to generate and associate different IP addresses to Virtual Users to emulate real-time scenarios for load balancing issues.
  • Activating / configuring monitors and adding desired performance counters into the Graphs.
  • Performed SQL querying to validate the data in the back end data base, and also to check the data flow between different modules.
  • Monitored the CPU, memory, and network utilizations on the Unix server using Site Scope monitor.
  • Analyzed results of Transactions Response time, Transaction under load, Transaction Summary by Vusers, Hit per Second and Throughput.
  • Tested Custom Screens, Views and Applets in Siebel to suit the business requirements.
  • Responsible for complete functional and regression testing, the Siebel application used to manage and maintain the leasing data in the company.
  • Determined the source of bottlenecks by correlating the performance data with end-user loads and response times.

Environment: HP LoadRunner 9.5/11, HP Performance Center & ALM, HP Diagnostics, C#, .Net, Java Servlets, JSP, JavaScript, Oracle SQL Developer, Perfmon, Oracle 9i & 10g, Wily Introscope.

Confidential, San Francisco-CA

Sr. Performance Tester

Responsibilities:

  • Developed Performance testing plan: collecting requirements from Application Owners, Business Analysts, Business Leads, Architects and Developers.
  • Participated in various phases of product review, recommendation and evaluation process by working closely with Architect, Business Lead, Project Manager, Business Analyst and Windows/Unix Infrastructure SMEs to determine Business impact based on number of customers and transactions.
  • Conducting Test Plan walkthroughs, reviewing System Requirements, Test Scenarios and obtaining sign-offs.
  • Developed LoadRunner scripts by using Virtual User generator for Base Line, Soak (Endurance test) and Stress test scenarios by storing dynamically varying object IDs in parameters and validating correct downloads of HTML pages by checking the content in sources.
  • Defined Rendezvous point to create intense load on the server to measure the server performance under load.
  • Monitoring software and hardware behavior during test run using PERFMON and LoadRunner online monitors.
  • Responsible for monitoring Oracle Database performance for Indexes, Sessions, Connections, poorly written SQL queries and deadlocks for each component of application.
  • Identified and analyzed memory leaks at each component level.
  • Database stored procedure executions, Indexes and deadlocks with load were analyzed.
  • Performed Performance testing to resolve Production issues and validate maintenance fixes.
  • Performance testing of Web applications, Web Services (SOA) and Siebel using HP Load Runner.
  • Used HP Load Runner: Vugen, Controller and Analysis for Portal/Web applications, Web Services (SOA), Siebel and XML.
  • Developed automated performance tests using Vugen, created scenarios, ran and coordinated performance testing. Integrated Performance Testing with various applications as well as within a Cloud environment.
  • Produced status reports, test results, analysis, recommendations, identified risks, if applicable and published metrics used in stakeholder’s decisions.
  • Involved in troubleshooting application performance and performance tuning
  • Involved in HP Performance Center installation planning.
  • Participated in monitoring: HP Business Availability Center, HP Site scope, NMON and Windows performance monitor.

Environment: HP LoadRunner 9/9.5, QC, WinRunner,, IBM Rational, SiteScope, Performance Center, HP J2EE Diagnostic, Windows, IIS 5, JMeter, IBM AIX, SQL, DB2, SQL Server, Oracle, UNIX, Siebel, SOA, WebSphere, J2EE.

Confidential, Des Moines-IA

Performance Tester

Responsibilities:

  • Responsible for identifying and gathering test requirements from users/ stakeholders to decide on the technical test architecture and infrastructure to be used and come up with a test design process.
  • Attending meeting with architecture and application teams to discuss performance objective, strategy and progress.
  • Worked with development, users and support groups to understand the application architecture, to simulate realistic production scenarios for load and stress testing.
  • Analyzing the requirements, preparation of Test Scenarios based on requirements and risks.
  • Extensively worked on Load Runner, created scripts based on prioritized/critical scenarios and scattered the peak load over the production like distribution ratio.
  • Defining the test scenarios and making sure that the scripts are working according to planned scenario.
  • Responsible for conducting the Load, Stress and Performance testing using LoadRunner and developed Vu Gen test scripts and scenarios.
  • Enhancing the scripts using VU Generator and performed Parameterization and Correlation to meet the requirements.
  • Manually correlated the dynamically changing server responses by going to the body of the server response in the Load Runner.
  • Created various scenarios in Load Runner for performing baseline, stress tests and endurance tests.
  • Scheduling and Time tracking utilization and scheduling of Controllers and VU Generators for each individual engineer testing needs in the group.
  • Monitored the metrics such as response times, throughput and server resources such as CPU Utilization, Available Bytes and Process Bytes by using Load Runner monitors for IIS server.
  • Designed the Load Runner scenarios with various user-mix incrementing in constant ratios, till the peak load is achieved.
  • Experience in Performance Testing using Web Services protocol.
  • Configured Web/Application/Database server monitoring setup using LoadRunner Controller.
  • Generating, Analyzing and interpreting the reports post the performance test execution
  • Used SQL queries to verify the data from the SQL Server database.
  • Reported, tracked, reviewed, analyzed and compared bugs using a Defect Tracking Database in Quality Center.

Environment: LoadRunner, Quality Center, UNIX, Windows NT, Oracle, HTML, XML/SOAP, Web Services, Java script, JSP, IIS, Java, J2EE

Confidential, Pittsburgh-PA

Performance Tester

Responsibilities:

  • Worked closely with Production Managers, Technical Managers and Business Managers in planning, scheduling, developing, and executing performance tests.
  • Develop performance test plans for new application releases and coordinate the Performance engineering team through completion of performance testing projects.
  • Act as Load Runner expert, meet with SDC engineers to determine performance requirements and goals, determine test strategies based on requirements and architecture.
  • Performed Performance testing using LoadRunner and developed test scripts and scenarios.
  • Created test script for the application using the web protocol in the VuGen component of LoadRunner.
  • Enhancing the scripts using VU Generator and performed Parameterization and Correlation to meet the requirements.
  • Created various checkpoints in the script using LoadRunner.
  • Inserted start and end transaction points in the scripts.
  • Created test scenarios for running the testing using LoadRunner.
  • Inserted rendezvous points to emulate the behavior of the browser under heavy load conditions.
  • Profiled slow performing areas of the application, system resources and identify bottlenecks and opportunities for performance improvements.
  • Execute performance test scenarios and analyze results
  • Identified functionality and performance issues, including: deadlock conditions, database connectivity problems, and system crashes under load.
  • Supported in developing testing efforts, project transactions, setting up testing network, functional, integration, regression test and test automation.
  • Responsible for writing Test Plans for Internal and Integration Test environments
  • Performed High Level Design document reviews. Participated in Feature Design review meetings and presented test case review, strategy and feature functionality.
  • Responsible for load tests using LoadRunner by creating scenarios for performance testing of the application by simulating real-time user load.
  • Performed Load and Performance testing using LoadRunner to validate system response time for designated transactions or business functions.
  • Configured Web/Application/Database server monitoring setup using LoadRunner Controller.
  • Generating, Analyzing and interpreting the reports post the performance test execution.
  • Analyzed results of Transactions Response time, Transaction under load, Transaction Summary by Vusers, Hit per Second and Throughput
  • Activating / configuring monitors and adding desired performance counters into the Graphs
  • Used the Transactions and Web Resource monitors to pinpoint bottlenecks.

Environment: Unix, LoadRunner, Oracle, HTML, Quality Center, J2EE, Web Sphere, XML, Perl, Solaris, SQL/PL SQL, SQL server database, ASP, Windows XP, MS Office.

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