Tista Science and Technology Corporation

Lead Performance Engineer

Job ID 2020-2074
Job Locations US-MD-Rockville | US-MD-Columbia


TISTA Science and Technology Corporation, a CMMI Maturity Level 3 company, focuses on delivering information technology (IT) and professional services to Federal and State agencies. TISTA is an Inc. 500 company, a recipient of the 2010 Top 100 Service-Disabled Veteran-Owned Businesses from Diversity Business, recognized in Washington Technology's FAST 50 list of the fastest growing small businesses in government contracting in 2012 & 2013, recognized as the Top 25 Fastest Growing Small Technology companies by the Washington Business Journal in 2014 & 2015, and selected as the Veteran Owned Company of the Year in 2014 by the Montgomery County MD Dept. of Economic Development. 


TISTA Science and Technology is seeking a Lead Performance Engineer to join our growing team. 



  • Identifies application performance bottlenecks and facilitate root cause analysis of system issues to minimize impact and future occurrence. 
  • Creates solutions and conduct performance tests to improve availability, performance, reliability, capacity and scalability in the application, system or database layers 
  • Functions as the team expert in performance testing
  • Mentors and assists other performance testing in solving difficult problems
  • Analyzes performance requirements, translate into detailed performance test plans and create test scripts. 
  • Assists in the design and the development teams in establishing standard SLAs and ensures the applications meet the defined SLAs. 
  • Analyzes test results with engineers, product managers, other stakeholders and coordinates with the respective teams for performance tuning, memory leaks and bug fixes. 
  • Understands system's technical architecture, and able to identify the performance implications for different layers of system based on design discussions or architecture documents. 
  • Creates and maintains test framework and scripts for Load, Stress and Endurance/soak tests. • Maintains credibility in communication and takes actions on assigned responsibilities. 
  • Maintain performance test scripts.
  • Maintain performance test scenarios.
  • Perform regression performance testing.
  • Monitor system level statistics during performance test executions.
  • Develop and submit performance test reports.
  • Perform Root Cause Analysis for performance optimization and architecture 
  • Reviews entire environment and executes initiatives to reduce failures, defects and improving overall performance 
  • Ensure timely proactive identification of performance issues, escalating issues as warranted


  • Bachelor's degree in Computer Science or related field with demonstrated knowledge of algorithms, information systems and basic programming concepts is required 
  • 5+ years of experience in Performance testing included but not limited to Load, Stress and Endurance test planning, scripting and execution. 
  • Experience testing large scale applicationsand parallel project orientation with accretive overlap. Has the ability to drive multiple projects concurrently and identifies when to cross leverage results.  
  • Have advanced knowledge of programming languages such as JavaScript, C, C++, Java, Visual Basic, Linux command languages, and other programming languages supporting technology that may be adopted and deployed by Customer.
  • Hands on experience with performance testing techniques such as performance work load modeling, establishing baselines, services monitoring, and profiling system performance. 
  • Experience in configuring and executing scripts using performance test tools such as JMeter, Tsung, Locust, or Load runner. 
  • Performance testing experience working with databases such as Oracle, Microsoft SQL Server and MongoDB. 
  • Experience with performance monitoring tools across a wide variety of technologies. 
  • Lead the Performance Engineering test activities, standard of Operation enhancements. Provide strong leadership and detailed management of change, both on software and hardware and demand management. Correlate application release plans with Performance Engineering testing activities, status reporting, prioritize in concert with business needs and priorities. 
  • Experience in testing the performance of RESTful API. 
  • Experience in summarizing performance testing results in a clear and concise manner to management. 
  • Extensive understanding web application and browser concepts (HTTP/HTTPS, connections, cookies, caching, streaming, etc.). 
  • Experience handling test data in various formats (JSON, XML, CSV, etc.) while understanding data storage, encoding, encryption, data transformation, and related concepts. 
  • Hands-on experience in parameterizing scripts for load, spike, stress, and soak tests. 
  • Familiarity with issue tracking and SDLC tools such as JIRA. 
  • Experience working in Agile/Scrum models. 
  • Experience with maintaining and frequently updating performance testing scripts based on application enhancements and changes. 
  • Enthusiastic and energetic with an inherent curiosity to break code and stress test it. 


Public Trust 


• Rockville, MD/Columbia MD


TISTA Science and Technology Corporation, a CMMI Maturity Level 3 company, focuses on delivering information technology and professional services to Federal and State agencies. TISTA is recognized in 2019 by Inc. 5000 as one of the fastest growing private companies in the US. TISTA is also a recipient of 2019 Top Veteran-Owned Companies by the Washington Business Journal. TISTA also received a 2018 Moxie Award in the GovCon category.

Here at TISTA Science and Technology we value our Veterans and encourage all to apply!

#thinktista #tistacares

Employment Transparency: 
TISTA is an Equal Opportunity/Affirmative Action Employer and embraces diversity in our employee population. It is the policy of TISTA to provide equal opportunity to all qualified applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status, or genetic information. TISTA will refrain from discharging, or otherwise discriminating against, employees or applicants who inquire about, discuss, or disclose their compensation or the compensation of other employees or applicants.

The EEO is the Law poster is available here and the poster supplement is available here. 
The Pay Transparency Policy is available here.

Tista is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation due to a disability for any part of the employment process, please send an e-mail to recruiting@tistatech.com or call (301) 968-3420 and let us know the nature of your request and your contact information.  







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