Note: The job is a remote job and is open to candidates in USA. GDIT is a global technology and professional services company delivering technology solutions and mission services to government, defense, and intelligence organizations. The Performance Tester/Platform Engineer will design, execute, and analyze performance, load, scalability, and resilience tests for AWS-based enterprise applications supporting the Case Management Modernization Program. The role collaborates with Agile DevSecOps, development, infrastructure, and QA teams to identify bottlenecks, optimize system performance, and validate application releases.
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
- * **Education:** 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
- **Security Clearance Level:** Ability to obtain a position of Public Trust with the Administrative Office of the US Courts
- **Must be a US Person (Green Card Holder, US Permanent Resident Alien, Refugee, Asylee, US Citizen)**
- * **ISTQB Performance Testing Certification (CT-PT)** – preferred
- * **AWS Certified Solutions Architect – Associate or DevOps Engineer** – preferred
- * **SAFe Practitioner (SPC/SSM)** – beneficial
- * **Performance Engineering Certification** – a plus
Benefits
- Medical plan options, including some with Health Savings Accounts, for all US-based employees
- Dental plan options for all US-based employees
- Vision plan for all US-based employees
- 401(k) plan with pre-tax and post-tax contribution options up to IRS annual limits and a company match
- Full-flex work weeks where possible
- Paid time off, including vacation, sick, personal time, holidays, paid parental leave, military leave, bereavement leave, and jury duty leave
- New employees typically receive 15 days of paid leave per calendar year
- An additional 10 paid holidays per year
- Paid leave and paid holidays prorated based on the employee’s date of hire
- Paid Family Leave of up to 160 hours in a rolling 12-month period for eligible employees
- Short- and long-term disability benefits
- Life insurance
- Accidental death and dismemberment insurance
- Personal accident insurance
- Critical illness insurance
- Business travel and accident insurance
- AI-powered career tool that identifies career steps and learning opportunities
- Internal mobility team focused on helping employees achieve their career goals
- Comprehensive wellness packages
- Paid time off
- Remote work arrangement
- Growth opportunities and learning support
- Award-winning culture of innovation
- Military-friendly workplace
Company Overview