Platform Engineer/Performance Tester at General Dynamics Information Technology – La Grange, Illinois

USA LA Home Office (LAHOME)
Full time
RQ212559
Type of Requisition:
Pipeline

Clearance Level Must Currently Possess:
None

Clearance Level Must Be Able to Obtain:
None

Public Trust/Other Required:
BI Full 6C (T4)

Job Family:
Software Engineering

Job Qualifications:

Skills:
CI/CD, Containerization, Performance Testing
Certifications:
None
Experience:
5 + years of related experience
US Citizenship Required:
No

Job Description:

Seize your opportunity to make a personal impact supporting the Case Management Modernization (CMM) Program. The CMM program is an initiative to support the Administrative Office of the US Courts (AO) in developing a modern cloud-based solution to support all 204+ federal courts across the United States.

GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career.

The Platform Engineer/ Performance Tester will work as part of the CMM Enterprise Data Warehouse (EDW) team to deploy a secured cloud-native EDW platform and support the statutory and operational reporting, data cataloging, and other analytical objectives.

RESPONSIBILITIES:

• Design, implement, and maintain automated performance testing frameworks integrated into CI/CD pipelines for cloud-native applications
• Define and track key performance KPIs (e.g., response time, throughput, resource utilization, latency, error rates) based on SLAs and stakeholder requirements
• Conduct load, stress, and scalability testing to validate performance under multi-tenant conditions and concurrent user loads
• Develop and manage a performance dashboard and provide executive-level and technical-level reporting on system behavior
• Perform real-time monitoring, observability, and telemetry setup for application and infrastructure performance using modern tools and dashboards.
• Collaborate with developers, QA, SREs, and operations teams to identify performance bottlenecks and provide optimization recommendations
• Validate the performance of critical workflows and use cases, including long-running queries, search operations, and API endpoints
• Capture and report on system metrics such as CPU, memory, disk, network, and application-specific logs for tuning and diagnostics
• Support canary release functions to allow end-user beta testing in production-like environments
• Contribute to the performance section of the Monthly Status Report (MSR) and sprint-level performance documentation
• Ensure alignment of performance testing strategy with DevSecOps and MLOps processes for continuous integration and delivery
• Developing and executing formal performance test plans to ensure the delivery of quality software applications
• Writing and maintaining comprehensive test plans and reports
• Verifying and validating functionality by evaluating software against system requirements
• Identifying and documenting defects using reproducible test cases
• Work independently to triage issues and prioritize tasks
• Responsible for supporting cloud solution resources, both IaaS and PaaS, that enable the business to securely run sensitive workloads within a cloud
• Implementing and designing server, network, and software configurations for a cloud computing infrastructure and applications with a focus on DevOps principles

REQUIRED EXPERIENCE & QUALIFICATIONS:

• Technical Training, Certification(s) or Degree and 1+ years' experience with deploying and managing applications and systems to commercial and private clouds, or equivalent years of experience
• Experience in performance engineering and automated testing of cloud-based applications and platforms
• Strong knowledge of performance testing tools such as JMeter, Gatling, LoadRunner, BlazeMeter, or k6
• Hands-on experience with CI/CD pipelines using tools such as Jenkins, GitLab CI, Azure DevOps, or GitHub Actions
• Experience with monitoring and observability tools such as Grafana, Prometheus, Datadog, New Relic, CloudWatch, or Elastic Stack
• Proficiency in scripting languages such as Python, Bash, or JavaScript for automation of testing and reporting workflows
• Familiarity with containerized environments (Docker, Kubernetes) and microservices testing strategies
• Strong understanding of cloud infrastructure performance characteristics, especially AWS
• Experience with telemetry frameworks and logging standards to support traceability and root cause analysis
• Demonstrated ability to analyze large volumes of test data, identify trends, and drive root cause identification and tuning
• Experience working in Agile/Scrum teams and participating in sprint ceremonies
• Experienced in providing DevSecOps implementation using GitOps, or similar tools
• Experienced in developing, testing, and maintaining containerized applications utilizing docker, k8s, OpenShift, etc.
• Working knowledge of Source Version Control and Build/Release tools and methodologies
• Demonstrated experience in optimizing computing performance and measurement
• Extensive hands-on experience with Test planning, writing test cases/scripts, test case automation, performance test execution and analysis of performance test results
• Familiarity with standard concepts, practices, and procedures of cloud technology, including Software as Service (SaaS), Platform as Service (PaaS), or Infrastructure as a Service (IaaS)
• Supporting large scale infrastructure migration methodologies and techniques (IaaS/PaaS) including application migrations to cloud platforms (AWS).
• Comprehensive knowledge of security compliance and security control

PREFERRD EXPERIENCE & QUALIFICATIONS:

• Bachelor's Degree in Computer Science, Information Systems, Engineering or other related scientific or technical discipline
• 5+ years' experience with deploying and managing applications and systems to commercial and private clouds

COMMUNICATION & ORGANIZATIONAL:

• Excellent presentation and communication (oral and written) skills
• Excellent organization and time management skills and ability to identify priorities to accomplish a variety of tasks simultaneously
• Consultant mindset with the ability to work with high level customer stakeholders and build excellent customer relationship
• 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
• Experience with process design and documentation methodologies, and design and production of quality deliverables, process and use case modeling, business case development
• Demonstrated ability to work effectively, independently, and as part of a team

GDIT IS YOUR PLACE:

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support: An internal mobility team focused on helping you achieve your career goals
• Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY
Explore a career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your ambition to deliver your best work.

The likely salary range for this position is $96,569 - $130,651. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:
40

Travel Required:
Less than 10%

Telecommuting Options:
Remote

Work Location:
Any Location / Remote

Additional Work Locations:

Total Rewards at GDIT:
Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and 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. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. GDIT typically provides new employees with 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. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

Join our Talent Community to stay up to date on our career opportunities and events at
gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

About Us

Join our 30,000 everyday heroes. We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology. For more information about GDIT's Privacy Policy, click here: