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Performance Tester

System One -
Vienna, VA

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Job Details

Contract
6 days ago

Benefits

Health insurance
Dental insurance
401(k)
Vision insurance
Life insurance

Qualifications

Software issue identification
Engineering stress testing
Stress testing simulations
Defect resolution root cause analysis
Bug Tracking (Quality assurance practices)
Automation
Tooling
Writing skills
IT system monitoring
System performance optimization
Bug Reporting (Quality assurance practices)
Programming languages
Issue tracking
Log analysis tools
Developing automated testing protocols
Scalability
Production monitoring
Agile software development
Technical troubleshooting support
Root cause analysis
Defect tracking tools
Cloud monitoring
Scalability and Performance Testing (system development)
Postman (API platform)
Project stakeholder communication
Load Testing
Stress Testing
Cross-functional communication
Test Planning (Quality assurance practices)
Production troubleshooting

Full Job Description

Job Title: QA Performance Engineer
Location: Vienna, VA
Type: Contract
Compensation:
Work Model: Hybrid – onsite and remote
Hours: 40.0

Responsibilities

Perform load, stress, endurance, and scalability testing to validate the production readiness of applications and infrastructure for stability and performance
Design, develop, and execute performance test scripts and scenarios that accurately simulate real-world user behavior
Build, maintain, and enhance automated performance testing solutions using tools such as NeoLoad or similar
Analyze performance test results to identify bottlenecks, system constraints, and optimization opportunities
Utilize monitoring and observability tools (AppInsights, Splunk, etc.) to assess system performance and troubleshoot issues
Partner with cross-functional teams to integrate performance testing early in the SDLC
Define performance SLAs and establish baseline metrics using production insights to ensure realistic and measurable performance goals
Identify, understand, and document system dependencies across services and applications for accurate test coverage and implement mocking strategies to stabilize testing environments
Support stabilization and management of performance testing environment, ensuring consistency, reliability, and scalability
Support QA leads and leadership in planning, prioritization, and execution of performance testing activities
Assist in coordinating performance testing efforts across multiple initiatives to ensure timely and high-quality delivery
Provide mentorship and technical guidance to junior team members, fostering a culture of knowledge sharing and continuous improvement
Review performance test scripts, test plans, and results to ensure alignment with standards and best practices
Collect, analyze, and communicate performance testing results to leadership and stakeholders, providing actionable insights and recommendations
Contribute to the development and continuous improvement of performance testing strategies, frameworks, and standards
Drive continuous improvement initiatives to enhance testing efficiency, coverage, and effectiveness
Analyze and optimize performance across distributed microservices architectures, containerized platforms, and cloud-native environments
Document, track, and report defects identified during testing in accordance with established defect management processes. Collaborate with cross-functional teams to resolve issues and communicate risks and trends to leadership
Perform other duties as assigned

Requirements

4+ years of hands-on experience in software testing, with a strong emphasis on performance engineering, including planning, execution, analysis, and optimization of application performance and scalability
Experience defining performance baselines and SLAs using production or production-like environments
Experience with dependency mapping, service virtualization, and mocking frameworks (WireMock preferred)
Experience with monitoring and observability tools such as Azure App Insights, Splunk, or equivalent
Hands-on experience with Postman and performance testing tools such as NeoLoad or similar platforms
Proficiency with Azure DevOps or comparable test management tools for planning, executing, tracking, and reporting testing activities
Solid understanding of DevOps practices, CI/CD pipelines, and Agile methodologies
Strong analytical, troubleshooting, and problem-solving skills, with the ability to identify root causes, assess risks, and drive effective resolutions for complex technical issues
Strong communication and stakeholder management skills, with the ability to effectively communicate both verbally and in writing across different audiences and levels of leadership
Strong knowledge of performance testing methodologies, including load, stress, endurance, and scalability testing
Strong understanding of shift-left testing practices and early performance validation strategies
Strong understanding of SDLC, STLC, and quality engineering best practices
Hands-on experience with scripting and programming languages (e.g., Javascript) for developing and troubleshooting automated test solutions and frameworks
Experience with mocking tools (preferably WireMock) and performance scripting/monitoring tools

Nice To Have

Hands-on experience with mocking/mocking tools (preferably WireMock)
Knowledge of functional testing (SDET)

Comments
2026-07-08 01:38 PM - -: Please confirm if the candidate is legally authorized to work in the United States. Please confirm if the candidate will require employer sponsorship now or in the future.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M2
#LI-EL1
Ref: #851-Rockville-S1

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