DDN

Senior/Staff AI Engineer

DDN
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1 month ago
Remote, United StatesSenior / Staff+

Responsibilities

  • Build and optimize LLM serving and inference systems for production environments.
  • Improve performance across GPU and CPU pathways and reduce throughput and latency bottlenecks.
  • Work on KV cache, memory, storage, and serving architecture challenges.
  • Design and scale systems supporting RAG and retrieval-heavy AI workloads.
  • Contribute to infrastructure where storage architecture and systems efficiency affect AI performance.
  • Solve problems at the intersection of AI, high-performance systems, and distributed infrastructure.
  • Move between system architecture decisions and hands-on implementation.

Requirements

  • Meaningful experience building or optimizing production AI systems rather than only experimenting with models.
  • Deep hands-on systems-layer experience involving GPU and CPU resources, infrastructure tuning, bottleneck reduction, throughput, or latency.
  • Evidence of ownership in model serving, retrieval, caching, storage, or distributed performance.
  • Ability to work across architecture and implementation in environments where efficiency and scale matter.
  • Background in AI infrastructure, high-performance systems, storage platforms, distributed systems, or an adjacent area.
  • Purely academic research experience without meaningful production ownership is not sufficient.
  • PhD preferred, but real-world systems experience is valued more highly.
DDN

About DDN

1,001-5,000 employees
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