Senior Performance Test Engineer

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Senior Performance Test Engineer in USA

Cognizant
Full time
Email

USA
09/20/2026
Report

Durham, NC

Responsibilities

Design and execute load, stress, endurance, and spike testing for enterprise applications.
Develop and maintain reusable performance test scripts using LoadRunner and JMeter.
Create workload models that simulate real-world user behavior and system usage patterns.
Analyze application, infrastructure, database, network, memory, and CPU metrics to identify performance bottlenecks.
Recommend performance improvements and support optimization initiatives.
Integrate performance testing into CI/CD pipelines and support continuous performance validation.
Collaborate with application developers, architects, DevOps teams, and business stakeholders.

Requirements

6+ years of experience in Software Quality Engineering, Performance Testing, or Performance Engineering.
Hands-on expertise with LoadRunner and JMeter.
Experience with Datadog, New Relic, and AWS CloudWatch.
Proficiency in LoadRunner, Performance Center, Java, Python, JavaScript, and SQL.
Experience troubleshooting performance issues using application, database, network, memory, and CPU metrics.
Strong understanding of performance engineering methodologies, workload modeling, and scalability testing.
Preferred qualifications include healthcare domain experience, CI/CD and DevOps integration experience, knowledge of GenAI-based performance testing tools, healthcare interoperability and HIPAA knowledge, and familiarity with NeoLoad, Gatling, AppDynamics, and Dynatrace.

Benefits

Medical, dental, vision, and life insurance.
Paid holidays and paid time off.
401(k) plan and contributions.
Long-term and short-term disability coverage.
Paid parental leave.
Employee Stock Purchase Plan.
Hybrid position requiring at least 1 day per week in a Cognizant or client office in Durham, NC.

Cognizant

Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value. We build full-stack AI solutions powered by deep industry, process and engineering expertise — embedding an organization's unique context into technology system...

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