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Performance Engineer Resume

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MN

SUMMARY

  • Over seven years of experience in IT as a Performance Engineer for various internally and externally facing Client/Server applications.
  • Hands on experience in implementing LoadRunner, Developing Load Test Conditions and Test Scenarios.
  • Solid Experience wif installing LoadRunner Controller, Analysis and Generator on Windows platform. Also experienced wif performing a separate installation and updating settings for WAN emulation on Load Generators.
  • Performance testing Experience in Web services, Winsock, SAP WEB/GUI, J2EE, Oracle, Mainframes applications by using HTTP/HTML, Web Click &Script, Oracle NCA,TCP/IP Protocol and multiple protocols
  • Experience wif creating Vuser scripts, Vuser groups, manual and goal oriented scenarios using LoadRunner and wif the use of various performance monitors for load test analysis.
  • Extensive Knowledge on Web, Web services and Winsock Protocol.
  • Extensive knowledge in SAP Load testing scenario.
  • Good communication and inter - personal skills, accustomed to work in a team environment wif tight schedules and capable of working efficiently under pressure, manage multiple project.
  • Extensive experience in Enhancement, Upgrade & post Go Live implementation support.
  • Hands on experience in using automated tools like, Performance Center, QTP, Test Director, Quality Centre and SharePoint
  • Used the various monitoring tools like Wily-Introscope, HP Diagnostics and Application Performance Analyzer for z/OS to keep track of the test performance and identify various bottlenecks.
  • Good understanding of Java Programming.
  • Worked extensively wif LoadRunner. Created Scenarios, Ran tests wif IP Spoofing wif process and multithreaded environments, analyzed and generated performance reports
  • Extensively involved in performance tuning of application servers such as Weblogic and Tuxedo.
  • Extensively involved in Performance tuning of Web servers such as web sphere.
  • Involved in Performance tuning of database Servers.
  • Strong theoretical and practical experience wif various Agile approaches and implementation in a large organization
  • Extensive experience wif baseline, benchmark, load, stress, endurance, and capacity testing for performance.
  • Collecting the frequency of JVM Heap and Garbage Collection in WebSphere and Weblogic during test
  • Created Performance scenarios and scripts for various types of tests (load, stress, baseline/ benchmark/ Capacity).
  • Knowledge of Java Virtual Machine internals including class loading, threads, synchronization, and garbage collection
  • Analyzed LoadRunner scenario results.
  • Working wif different Vuser types and groups
  • Conducted performance testing, stress testing using LoadRunner.
  • Performed IP Spoofing using LoadRunner
  • Installing, maintaining and administering LoadRunner software.
  • Activating / Configuring monitors
  • Online monitoring of Graphs/Monitors
  • Analysis of cross results, cross scenarios and merged graphs
  • Analyzing performance, graphs and reports
  • Working wif different Vuser types and groups
  • Filtering and sorting information
  • Configuring Run-Time settings for Vugen and Controller
  • Monitoring Vusers status
  • Well versed wif all functionality of Virtual User Generator, Controller, and Analysis
  • Configuring Pacing and Think Time to meet load rates

TECHNICAL SKILLS

Testing Tools: HP Load Runner 9.5/11.5, ALM 11, Mercury Win runner 7.6, 8.0, HP Quality Center, ALM Performance Center v11.02, 11.50, SoapUI, JMeter

Programming Languages: Java, J2EE, Html, Oracle, C, C++,SQL, XML

Monitoring Tools: Sitescope, Perfmon, BMC patrol, Dynatrace, Wily Introscope, Topaz

Methodologies: Agile and Waterfall

Database: DB2, MS-ACCESS, MySQL, Oracle, SQL Server 2005.

Operating Systems: Windows NT/2000/XP/7, Unix, Linux and Solaris

Others: MS Office, WordPerfect Office Suite

PROFESSIONAL EXPERIENCE

Confidential, MN

Performance Engineer

Responsibilities:

  • Developed Scripts by recording and by writing custom functions using Ajax Truclient Protocol and Citrix Protocol
  • Worked wif Developers and system analysts to gether the application requirement and Business process
  • Used Wily Introscope for the monitoring of CPU, Mamory and Stalls on the front end of the application.
  • Worked on Restful Webservices to design and develop the script for the application.
  • Involved in troubleshooting to find the rootcause of the problem
  • Performed the analysis in depth to catch the failure points of the application
  • Responsible to make the Test log and keep the test scenarios and results updated wif the changes.
  • Responsible for doing Stress testing and Endurance Testing.

Confidential, Dallas, Texas

Performance Engineer

Responsibilities:

  • Involved in various meetings wif customers/Development team to gether the performance requirements and SLAs before the testing.
  • Design the performance test plan and test cases.
  • Developed Load Runner test scripts according to the test specifications/Requirements using HTTP/HTML, WebServices Protocol in Load Runner 11.5
  • Built Scripts wif Data Driven Methodology which applies the Business rules to validate the components displayed on the website.
  • Customized scripts for error detection and recovery.
  • Responsible for writing startup scripts and compiled module functions for the front and backend validation.
  • Involved in the root cause analysis for the problems in proposed architecture.
  • Used IP spoofing to generate and associate different IP addresses to Virtual Users to emulate real-time scenarios for load balancing issues.
  • Used to identify the queries which was taking long time and optimize those queries to improve the performance
  • Monitored the CPU, memory, and network utilizations on the LMA servers using Site Scope monitor.
  • Involved in analyzing the problems using transaction breakdown, Network monitoring and Resource monitoring to find the performance bottlenecks.
  • Develop and implement load, capacity and stress tests wif Load Runner and Present performance statistics to application teams and provided recommendations of performance improvement.
  • Investigage and troubleshoot performance problems in a lab environment including analysis of performance problems.
  • Performed in-depth analysis to isolate points of failure in application.
  • Developed and deployed test automation scripts to do end to end performance testing using.

Confidential, Birmingham, Alabama

Performance Engineer

Responsibilities:

  • Worked closely wif 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.
  • Interacted directly wif developers, project managers for the development, execution and reporting of all testing efforts.
  • Actively took ownership of defects and coordinate wif 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, me/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.
  • 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 wif end-user loads and response times.

Confidential, New York, NY

Performance Engineer

Responsibilities:

  • Used Citrix Protocol to test various applications on Windows 2003/2008 servers.
  • Responsible for gathering and analyzing performance test requirements.
  • Wrote Performance Test Plan and Test Case design document wif the inputs from developers and functional testers.
  • Extensively used LoadRunner using Virtual User Generator to script and customize performance test harness Web Protocol.
  • Extensively used Controller to generate load and define load generators.
  • Used Test Results to provide summary reports, response times and monitor averages.
  • Design and execution of performance tests for new and existing applications using HP performance center 9.5
  • Analyzing performance test results and generating reports using HP Analysis tool 9.5.
  • Monitored metrics like errors, instance count, memory, CPU utilization etc.
  • Consolidate findings and writing suggestion and recommendation.
  • Performed in depth analysis wif Analysis Tool and presented results to management in Excel spreadsheets for review and Q & A sessions.
  • Performed expert level analysis using the results from SiteScope Monitoring Tool
  • Conduct iterative performance effort during Load balance verification and siteminder setup of portal.
  • Extracted Reports from Requirements, Test Plan and Test Lab and verified the Traceability, Req Coverage, Execution status, Test Set Location.
  • Analyzed the CPU utilization, memory usage, garbage collection and DB connections to verify performance of the application.
  • Created customized Load Runner VuGen scripts at the API level wif manual correlation, user defined functions, development libraries (classes and methods), and error handling.
  • Monitored different graphs like transaction response time and analyzed server performance status, hits per second, throughput, windows resources and database server resources etc.
  • Used sitescope and Introscope to monitor the databases, application and web servers (at OS and application level) for performance bottlenecks while conducting load, stress, volume and memory tests.

Confidential, Lenexa, KS

Performance Analyst

Responsibilities:

  • Design and Developed performance testing automation artifacts (scripts, functions, processes) for simple to complex testing situation using HP Load Runner.
  • Performed various load test on SOA based applications using web services protocol.
  • Involved in reviewing Service Level agreement documents and create test plan documents.
  • Created test strategies and conditions for load stress, concurrent users and network bandwidth scenarios using Shunra.
  • Involved wif business and technology leads to identify the appropriate data for testing and prepare the data for the test cases.
  • Created customized LoadRunner scripts for different applications
  • Responsible for monitoring the Test results, Transaction Response Time, measuring the CPU and Memory Utilization of the Citrix Servers.
  • Coordinated wif Citrix and Network teams to identify the bottle necks.
  • Ensured dat Citrix Servers can support the volume and system usage.
  • Monitored performance of applications using Wily Interscope and Sitescope.
  • Generated and analyzed the performance matrices from Performance Center.
  • Analyzed performance, transaction and server resource monitors for meaningful results.
  • Scripted & Executed System Performance Test Cases for Various Service requests to validate the activities on server
  • Responsible for updating the new script after migration.
  • Analyzed LoadRunner reports to calculate the response time and transaction time per second.
  • Using Agile Methodology for developing the project.
  • Analyzed the result of the entire test and observed the load test result for any error.
  • Involved in team meetings to resolve the bug and know the functionality and flow of the application.

Confidential, Woodcliff lake, NJ

Performance Tester

Responsibilities:

  • Responsible for extensive communication wif the product teams to determine performance requirements.
  • Evaluation of performance requirements and designing load runner scenarios to accommodate the effective testing of these requirements.
  • Documentation of the system test plan and conducting its internal and external review wif product teams during team meetings.
  • Documentation of system test reports for test efforts related to product and project.
  • Conduct separate tests for all bottlenecks.
  • Conducted subsequent review of these documents wif product & project teams.
  • Analysis of test results and provision of feedback on the results of tests conducted and the conclusions drawn from them.
  • Aiding the product team in the comprehension of the test results and coordinating wif DBAs to developers to resolve performance bottlenecks.
  • Responsible for the development of LoadRunner scripts and their validation.
  • Responsible for preparing data estimates dat will be required for testing and the consequent evaluation of dat data.

Confidential

QA Engineer

Responsibilities:

  • Reviewed Business Requirement Documents and the Technical Specification, Test plan, Implementation Specifications.
  • Developed test plans, test cases based on functional specifications and design documents.
  • Drafted and revised scripts and ensured traceability between test scripts and business requirements and technical specifications.
  • Created, developed and executed test cases and test scripts manually.
  • Performed System testing, Integration, End-to-End, Back-End testing during the testing of different services.
  • Involved in Defect review meeting and Interacted wif developers to resolve technical issues and investigated the bugs in the application.
  • Used Quality Centre to house all test documentation and report/track all issues including software bugs to resolve technical issues and defects.
  • Involved in design and developing QTP test scripts for testing.
  • Used SQL for testing various databases for services which involved certain back-end testing for the verification and modification of tables.
  • Involved in integration tests, user acceptance testing.
  • Used AGILE methodology for testing this application.

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