Performance Tester/Platform Engineer

General Dynamics Information Technology

Performance Tester optimizing performance for AWS applications in the Case Management Modernization Program. Collaborating with Agile teams to ensure performance objectives are met in cloud-based environments.

Posted 6/21/2026full-timeRemote • 🇺🇸 United StatesMid-LevelSenior💰 $96,569 - $130,651 per yearWebsite

Tech Stack

Tools & technologies

AWSCloudDistributed SystemsEC2JavaScriptJMeter

About the role

Key responsibilities & impact

Develop and execute performance, load, stress, and endurance tests to validate system scalability and responsiveness
Define performance benchmarks and KPIs based on application SLAs, SOW requirements, and user load models
Build, configure, and maintain performance test environments in AWS cloud infrastructure
Design test scripts using JMeter, LoadRunner, or K6, integrating them into CI/CD pipelines for continuous performance monitoring
Collaborate with developers, DevOps engineers, and QA teams to identify performance bottlenecks and tune system configurations
Analyze test results and prepare detailed performance reports, recommending optimization strategies

Requirements

What you’ll need

5+ years of related experience
Bachelor’s degree in Computer Science (or relevant field)
5+ years of experience with integration, regression, and system testing using automated testing tools in web-based applications
5+ years of experience in software performance testing and engineering, with 3+ years in cloud-based or distributed systems
Experience in writing test cases, test plans, executing test scripts, reporting defects and preparing test results reports
Strong proficiency in JavaScript for scripting, test development, and automation across modern performance testing tools such as JMeter, LoadRunner, NeoLoad, or K6
Experience testing applications in AWS cloud environments (EC2, ECS, CloudWatch, RDS)

Benefits

Comp & perks

Comprehensive benefits and wellness packages
401K with company match
Competitive pay and paid time off
Full-flex work week to own your priorities at work and at home
GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

performance testingload testingstress testingendurance testingtest script developmentJavaScriptautomated testingsystem testingperformance engineeringtest case writing

Soft Skills

collaborationcommunicationanalytical skillsproblem-solvingreporting

Certifications

Bachelor's degree in Computer Science