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Sr Performance Engineer Resume

SfO

SUMMARY

  • 7+ years of experience in IT wif expertise in Application Performance Analysis.
  • Expertise in Test documentation, Performance testing and execution on Client/Server, Integrated Intranet. Mainframes and Internet applications.
  • Hands on experience in using automated tools like LoadRunner, Performance Center and Quality Center.
  • Experience in Performance testing of Web applications and Client/Server by using LoadRunner and Performance Center.
  • Performance testing experience in .Net, Java, Oracle applications by using HTTP/HTML, Java, Web Services, Ajax TruClient, Web Click &Script and multiple protocols.
  • Experience wif monitoring system resources such as CPU Usage, % of Memory Occupied, VM Stat, me/O Stat.
  • Hands on experience and exposure in all phases of project development lifecycle and Software Development Life Cycle (SDLC) right from Inception, Transformation to Execution which include Design, Development, and Implementation.
  • Experience in executing SQL queries to validate teh data in teh back end.
  • Proficient wif using Web, Web Services, SAP GUI, SAP ECC and SAP Web
  • Experience in Load Testing, Stress Testing, Endurance Testing and Spike testing.
  • Experience in server side monitoring and test result analysis using DynaTrace, Sitescope and Wily Introscope for application server to identify performance bottlenecks.
  • Knowledge of Software Development Life Cycle and Test Methodologies.
  • Excellent communication and presentation skills, self - starter, quick learner, and a team player.

TECHNICAL SKILLS

Automated Test Tools: LoadRunner, Performance Center

Defect Tracking Tools: Jira, Quality Center

Tools: MS Word, MS Excel, MS PowerPoint, Visio, VSS, VBA

Languages: C, Cs+, lava, PL/SQL

Web/GUI Related: HTML and XML

Databases: Oracle, MS SQLServer, DB2, MS Access

Scripting Languages: VB Script, Java Script

Monitoring Tools: DynaTrace, Wily Introscope, SiteScope, Tivoli

Project Management Tools: MS Project

ERP: SAP ECC/4.6 8/4.6 C

PROFESSIONAL EXPERIENCE

Confidential, SFO

Sr Performance Engineer

Responsibilities:

  • Involved in project planning, coordination and implemented performance methodology.
  • Gathered and Analyzed business requirements and procedures.
  • Worked on multiple applications simultaneously.
  • Load test execution and worked wif Product Management and Development determining teh number of virtual users to be used during teh performance test.
  • Updated scripts for new release and added new functionality as per new releases.
  • Responsible for teh development of Vuser scripts for several different protocols such as Web (HTTP/ HTML), Web Services, Ajax TruClient
  • Created test strategies and conditions for load, stress, concurrent users, and network bandwidth scenarios.
  • Correlated and parameterized scripts as well as configured teh RunTime settings in Virtual User Generator.
  • Developed Scenarios wif different schedules like Ramp-up, Duration.
  • Enhanced Vuser scripts by creating transactions
  • Parameterized Vuser scripts wif different sets of data
  • Manually correlated teh session IDs and Database primary keys to save teh dynamically changing value into a parameter by going to teh body of teh server response.
  • Monitored Different kinds of Graphs including Throughput, Hits/Sec, Transaction Response time, Windows Resources (Memory Utilization, CPU Utilization, Threads, etc) while executing teh scripts from LoadRunner Controller.

Environment: LoadRunner, web (HTTP/HTML), web service, Ajax TruClient, Silverlight, Jira, Oracle, Sql server.

Confidential, ME

Sr Performance Engineer

Responsibilities:

  • Coordinated wif internal business departments on their information system’s needs.
  • Gathered and Analyzed business requirements and procedures.
  • Responsible for developing teh performance test strategies, plans and cases
  • Developed Vuser scripts dat contain tasks performed by each Vuser, tasks performed by Vuser's as a whole, and tasks measured as transactions.
  • Responsible for parameterizing large and complex test data to accurate depict production trends.
  • Validated teh scripts to make sure they have been executed correctly and meets teh scenario, descriptions.
  • Coordinated creation of stress environments to conduct stress/load testing.
  • Developed Vuser scripts for SAP ECC(GUI) and SAP SRM(WEB) protocols based on teh user workflows
  • Worked wif teams to identify teh bottlenecks and performed regression testing to achieve teh pre spin off results.
  • Monitored Different kinds of Graphs including Throughput, Hits/Sec, Transaction Response time, Windows Resources (Memory Utilization, CPU Utilization, Threads, etc) while executing teh scripts from loadRunner, Performance Center.
  • Responsible for reviewing teh code in order to identify teh root cause.
  • Extensively used LoadRunner to conduct performance testing of teh application.
  • Prepared LoadRunner scenarios for Load and Performance testing using different host systems.
  • Developed LoadRunner Vugen Scripts using Correlation to parameterize dynamic values.
  • Responsible conducting for root cause analysis.
  • Monitored teh metrics such as response times and server resources such as Total Processor Time, Available Bytes and Process Bytes by using Performance Center Monitors
  • Correlated and parameterized scripts as well as configured teh RunTime settings in Virtual User Generator.
  • Developed Scenarios wif different schedules like Ramp-up, Duration.
  • Monitored performance using windows performance monitors and Performance Center monitors.

Environment: LoadRunner, Quality Center, MQ Series, SAP ECC, BI, BW, SAP GUI, SAP WEB.

Confidential, MN

Sr Performance Engineer

Responsibilities:

  • Gathered and Analyzed business requirements and procedures.
  • Managed project from end to end and managed 2 other testers.
  • Responsible for developing teh performance test strategies, plans and cases
  • Developed Vuser scripts dat contain tasks performed by each Vuser, tasks performed by Vuser's as a whole, and tasks measured as transactions.
  • Responsible for parameterizing large and complex test data to accurate depict production trends.
  • Validated teh scripts to make sure they have been executed correctly and meets teh scenario, descriptions.
  • Coordinated creation of stress environments to conduct stress/load testing.
  • Involved in project planning, coordination and implemented performance methodology.
  • Coordinated wif internal business departments on their information system’s needs.
  • Developed Vuser scripts using Performance Center Web (HTTP/HTML), .Net, and Web Services (SOAP/S0A) protocols based on teh user workflows
  • Worked wif teams to identify teh bottlenecks and performed regression testing to achieve teh pre spin off results.
  • Monitored Different kinds of Graphs including Throughput, Hits/Sec, Transaction Response time, Windows Resources (Memory Utilization, CPU Utilization, Threads, etc) while executing teh scripts from loadRunner, Performance Center.
  • Responsible for reviewing teh code in order to identify teh root cause.
  • Updated scripts for new release and added new functionality as per new releases.
  • Used Vugen to record and replicate a realistic scenario for SAP ECC.
  • Extensively used LoadRunner/Performance Center to conduct performance testing of teh application.
  • Prepared LoadRunner/Performance Center scenarios for Load and Performance testing using different host systems.
  • Developed LoadRunner Vugen Scripts using Correlation to parameterize dynamic values.
  • Responsible conducting for root cause analysis.
  • Monitored teh metrics such as response times and server resources such as Total Processor Time, Available Bytes and Process Bytes by using Performance Center Monitors
  • Correlated and parameterized scripts as well as configured teh RunTime settings in Virtual User Generator.
  • Developed Scenarios wif different schedules like Ramp-up, Duration.
  • Monitored performance using windows performance monitors and Performance Center monitors.
  • Tracked defects using Quality Center.

Environment: Performance Center, Sitescope, Wily Interscope, Java diagnostics, MS SQL/SQL, Quality Center, SAP ECC, BI,BW, Portal, MM, SD, XML, SAP GUI, BEA Web Logic.

Confidential, Tampa, FL

Performance Engineer

Responsibilities:

  • Responsible for analyzing applications and components behavior wif heavier loads as well as optimizing server configurations.
  • Conducted performance, load, and stress testing using LoadRunner and Performance Center.
  • Conducted Load testing for various sub modules of teh application by generating load through Virtual users in Performance Center.
  • Developed various load test scripts using Web (http/html), PeopleSoft, Web Services and Java protocols.
  • Used LoadRunner and Performance Center to manage scripts and scenarios and test documentation.
  • Used Java RMI Protocol in Vugen to capture JAVA API web base applications.
  • Developed single and multiple web protocol scripts using Vugen.
  • Changed teh runtime settings such as pacing, ThinkTime, Log Settings, browser emulation and timeout settings in Vugen and Performance Center to simulate teh real scenario.
  • Ensured response time is not jeopardized by large volumes of data and users.
  • Enhanced Vuser scripts by creating transactions
  • Parameterized Vuser scripts wif different sets of data
  • Responsible for developing various scenarios in order to monitor teh performance of teh application.
  • Responsible for monitoring teh Test results, Transaction Response Time, measuring teh CPU and Memory Utilization of teh Citrix Servers.
  • Coordinated wif Citrix and Network teams to identify teh bottle necks.
  • Ensured dat Citrix Servers and SQL Servers can support teh volume and system usage.
  • Used Quality Center for repository, reporting and results.
  • Responsible for team co-ordination and providing status reports for Senior Management.
  • Created different monitors to check and verify teh availability of various applications and features of teh website, web server, Database services and MQ Series by using Sitescope tool.
  • Responsible for setting up and maintaining Sitescope monitors. Provide daily/weekly application availability reports to teh management

Environment: LoadRunner, Performance Center, Wily lntroscope, PeopleSoft, Quality Center, Sitescope, Java, Apache Tomcat, HTML, Oracle, MS SQL/SQL, Clear Quest, Unix/Linux, MO Series

Confidential, Princeton, NJ

Performance Tester

Responsibilities:

  • Involved in project planning, coordination and implemented performance methodology
  • Developed Performance Test Plans and Test Strategies based on business requirements
  • Conducted Performance testing using LoadRunner and Performance Center.
  • Responsible for teh development of Vuser scripts for several different protocols such as Web (HTTP/ HTML), Web Services.
  • Participated in disaster recovery exercises between two data centers.
  • Responsible for Performance Testing Java application.
  • Responsible for scenario design, test execution and analysis using Performance Center.
  • Monitored .Net Statistics, Load Balance and network traffic in each of teh JVM's.
  • Analyzed, interpreted, and summarized meaningful and relevant results in a complete Performance Test Report.
  • Developed and implemented load and stress tests wif LoadRunner and Performance center and performance statistics to application teams, and provided recommendations of how and where performance can be improved.
  • Monitored and administrated hardware capacity to ensure dat teh necessary resources are available for all tests.
  • Created Rendezvous points to simulate a scenario of multiple users performing teh same action simultaneously.
  • Manually correlated teh session IDs and Database primary keys to save teh dynamically changing value into a parameter by going to teh body of teh server response.
  • Measure Response times at sub transaction levels for Web, App servers and Database server levels by using Optimal Application expert highly concentrated on Transactions per sec duration testing.
  • Analyzed teh load test results including transactions by drilling down, merged graphs (overlay graphs, correlate graphs), cross result graphs and auto correlating measurements and thus focusing or behavior patterns and identifying problematic elements using teh Analysis tool.
  • Monitored PERFMON Counters and windows resources such as, CPU Usage, % of Memory Occupied, me/ 0 Stat.
  • Created test strategies and conditions for load, stress, concurrent users, and network bandwidth scenarios.
  • Assisted teh project teams in identifying and documenting performance test requirements.
  • Designed teh performance test harness for execution on automated, performance, and endurance testing platforms.
  • Worked wif business and technology leads to identify teh appropriate data for testing, and prepare dat data for teh test cases.
  • Performed problem solving analysis and root cause for system functionality and testing challenges using LoadRunner Analysis Tool.

Environment: Quality Center, LoadRunner, Performance Center, JProbe, PeopleSoft, Citrix, .Net, XML, MS SQL/SQL, IBM WebSphere, Lotus Notes and Unix/Linux