[Remote] Performance Tester/Platform Engineer

Note: The job is a remote job and is open to candidates in USA. GDIT is a global technology and professional services company that delivers consulting, technology, and mission services to every major agency across the U.S. government. They are seeking a Performance Tester/Platform Engineer to support the Case Management Modernization Program by designing, executing, and analyzing performance tests for enterprise-class applications in the AWS cloud.

Responsibilities

• 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
• Conduct baseline performance analysis and capacity planning for major CMM components
• 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
• Validate that application releases meet federal performance and reliability standards prior to production deployment
• Support failover and stress testing scenarios to verify system fault tolerance and scalability under load
• Participate in Agile ceremonies and provide performance insights during sprint planning and retrospectives

Skills

• 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
• Experience in the entire QA Life Cycle, including designing, developing and execution on the entire QA process and documentation of test plans, test cases, test procedures and test scripts
• Strong proficiency in JavaScript for scripting, test development, and automation across modern performance testing tools such as JMeter, LoadRunner, NeoLoad, or K6
• Strong knowledge of performance engineering principles, including concurrency modeling, resource utilization, and tuning
• Experience testing applications in AWS cloud environments (EC2, ECS, CloudWatch, RDS)
• Working understanding of NodeJS, REST APIs, microservices, and front-end frameworks such as ReactJS
• Experience with CI/CD pipeline integration for automated performance test execution
• Ability to interpret system logs, metrics, and profiling data to diagnose bottlenecks
• Familiarity with monitoring tools such as Datadog, Prometheus, ELK Stack, or Grafana
• Strong analytical, communication, and documentation skills
• Experience with federal or enterprise-scale application performance testing
• Familiarity with container orchestration (Docker, Kubernetes, OpenShift)
• Understanding of network performance testing and distributed tracing techniques
• Exposure to AI-driven performance analytics or predictive capacity modeling
• Knowledge of FinOps and cost optimization for cloud-based performance tuning
• Excellent presentation and communication skills
• Consultant mindset with the ability to work with high level customer stakeholders and build excellent customer relationships
• Experience identifying and applying industry tools, solutions, methods best practices, and emerging technologies
• Strong analytical skills and problem-solving skills with the ability to formulate and communicate recommendations for improvement
• Demonstrated ability to work effectively, independently, and as part of a team
• ISTQB Performance Testing Certification (CT-PT)
• AWS Certified Solutions Architect – Associate or DevOps Engineer
• SAFe Practitioner (SPC/SSM)
• Performance Engineering Certification

Benefits

• A variety of medical plan options, some with Health Savings Accounts
• Dental plan options
• A vision plan
• A 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match
• Full flex work weeks where possible
• A variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave
• 15 days of paid leave per calendar year to be used for vacations, personal business, and illness and an additional 10 paid holidays per year
• Paid leave and paid holidays are prorated based on the employee’s date of hire
• The GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees
• Short and long-term disability benefits
• Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance

Company Overview