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Open nowPosted 4 days ago

QA Engineer II

DDN102 open roles

Pay
$110,000 – $140,000 a year
Where
Remote - North Carolina
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Your applicationOpen nowQA Engineer IIDDN · Remote - North Carolina

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The clock on this job

Early applications get read.

8.2% of postings close within 7 days. Measured by our own scanner across the market. DDN postings stay open a median of 30 days.

Share of postings closed within
  1. 1.9%1 day
  2. 3.8%3 days
  3. 8.2%7 days
  4. 15.2%14 days
  5. 34.2%30 days
This job: posted 4 days ago

DDN median: 30 days open

The posting

Performance QE Engineer – distributed storage platform

DDN is hiring a Performance Automation Engineer to help build and extend our automated benchmarking infrastructure for the RED (Infinia) storage platform — covering S3, Block/CSI, and POSIX/HPC I/O paths, from test orchestration through results collection and dashboards.

The role requires knowledge & experience in storage performance testing, automation, and system‑level benchmarking, along with strong Python and Ansible skills to build scalable, repeatable test frameworks.

What You’ll Do

- Work upon performance testing for a large‑scale distributed storage platform supporting S3 object storage, POSIX file systems, and block‑level protocols.

- Write and maintain Ansible playbooks/roles for cluster setup, health checks, and install/configuration

- Contribute to Celery-based task orchestration for running I/O workloads in parallel

- Execute and troubleshoot storage benchmarks: FIO, IOR, mdtest, IO500, WARP

- Write Python scripts for parsing results, generating manifests, and normalizing metrics

- Help maintain the PostgreSQL results schema and Grafana dashboards

- Assist with test reporting integration

- Debug test failures and flaky pipeline run across protocols

- Contribute new benchmark profiles (YAML workload definitions) under review

- Work closely with developers to validate fixes and feature performance impact.

What You Bring

- Python (2+ yrs): comfortable with scripting, basic async/task-queue concepts (Celery a plus)

- Working knowledge of Ansible (writing/modifying playbooks and roles)

- Basic SQL skills (PostgreSQL)

- Linux fundamentals — filesystems, networking, processes

- Exposure to CI/CD tools (GitHub Actions or similar)

- Understanding of storage concepts (block/file/object) — willingness to learn benchmarking tools (FIO, IOR, mdtest)

Nice to Have

- Prior exposure to Redis/RabbitMQ or any message queue

- Grafana or other dashboarding tool experience

- Node.js basics

- Internship/project experience with performance testing or storage systems

- Familiarity with monitoring and metrics tools (Prometheus, Grafana).

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