Staff Engineering In Test
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Key skills for this role
Key Skills for This Role
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Key Responsibilities:
- Quality Engineering & System Validation
- Design detailed test strategies and validation plans for networking and security features for distributed system
- Create scalable, automated test suites that validate Hadoop components for multi-tenant behavior, concurrency, data consistency, and system-level performance.
Automation Frameworks & Tooling
Build and maintain robust automation using tools such as Hadoop benchmarks and container-based environments leveraging Docker, Jenkins, Kubernetes.
Develop reusable automation templates, harnesses, and utilities to accelerate test creation and reduce engineering overhead.
Performance, Reliability & Scale Testing
Construct and execute performance tests covering I/O throughput, system latency, NVMe access patterns, concurrency limits, and long-running workload stability.
Use advanced tools (profilers, fuzzers, failure-injection frameworks, trace analyzers) to uncover issues in distributed workflows.
Analyze CPU, memory, disk, and network utilization to diagnose performance bottlenecks and identify regression risks.
Cross-Functional Quality Leadership
Work closely with architects, developers, release engineering, DevOps, and customer engineering to drive quality-first design decisions.
Participate in feature design reviews, ensuring testability, observability, and resilience are built into system components.
Lead root cause analysis (RCA) for complex issues and propose long-term improvements to engineering practices and platform stability.
Documentation & Quality Standards
Produce clear, detailed test plans, automation guides, design-review feedback, and quality metrics reports.
Contribute to the development and maintenance of internal QA standards, best practices, and. onboarding materials.
Required Qualifications
- 10+ years of experience in software quality engineering, with strong focus on distributed systems, system-level testing, or infrastructure platforms .
- Hands-on expertise in test automation using Python , Bash , and modern CI/CD tooling (Git, Jenkins, etc.).
- Strong understanding of: Distributed concurrency, File systems and I/O stack behavior, Storage performance analysis (NVMe, SPDK), Networking, tracing, and system observability
- Experience with large-scale performance testing, stress testing, and reliability validation.
- Demonstrated skill in diagnosing complex system issues across logs, traces, network captures, and profiling tools.
- Experience in Hadoop products preferred.
Preferred Qualifications
- Experience validating large-scale data platforms , storage engines, or distributed scheduling systems.
- Experience with AI technologies in context of quality engineering, such as issue triaging, test generation, automation.
- Familiarity with observability technologies such as OpenTelemetry, Grafana, Prometheus .
- Background in compliance or security testing (e.g., access control, backup/restore workflows, Section 508/HIPAA/PCI).
- Contributions to open-source test frameworks or distributed systems validation tools.
About DDN
Private American data storage and AI infrastructure company serving enterprises, cloud providers, governments, and research institutions.
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