QA & Test Automation Engineer; Systems

This role ensures the CLEARSITE™ platform meets rigorous functional, performance, and contractual requirements prior to deployment. The QA/Test Engineer owns automated testing frameworks, fusion validation harnesses, replay testing, and regression pipelines across a complex, real-time distributed system.

Key Responsibilities

• Build and maintain Python-based test automation frameworks (pytest)
• Develop deterministic fusion validation harnesses across multiple fusion strategies
• Validate system-wide latency SLOs and acceptance criteria
• Test Target Tracker accuracy, lifecycle correctness, and false association rates
• Validate event bus reliability, idempotency, and priority enforcement
• Support replay harness testing against live telemetry
• Validate decoder integrations, protocol performance, and throughput
• Develop regression test suites for new modules and decoders
• Integrate tests into CI/CD pipelines

Required Qualifications

• 3+ years QA or test engineering experience (backend or distributed systems)
• Strong Python and pytest automation experience
• Experience testing APIs with latency and throughput requirements
• Familiarity with microservices and event-driven architectures
• Understanding of statistical and performance metrics

Preferred Qualifications

• Experience testing real-time or ML-driven systems
• Familiarity with replay/simulation-based testing
• Experience with Click House or time-series validation
• Exposure to RF or signal-processing systems

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Digital Global Systems is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or protected veteran status. We are committed to providing reasonable accommodations to individuals with disabilities. If you need an accommodation during the application or interview process, please contact DGS.

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