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DDN Linkedin · Posted 8d ago

Staff Engineer - Performance

Pune/Pimpri-Chinchwad

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Indexed description

Job Summary

Key Responsibilities

  • 12+ years systems/storage performance engineering at staff/principal level.
  • Deep Linux storage I/O path and kernel module profiling/tuning.
  • Distributed storage benchmarking at scale (fio, file-system tools).
  • NVMe/NVMe-oF, block-device internals, erasure coding / RAID data paths.
  • RDMA (RoCEv2/InfiniBand), TCP offload, NUMA-aware tuning.
  • C, Python, and Linux perf tooling (perf, ftrace, eBPF, flamegraphs).
  • Add build gating and smoke-test stages so broken builds never reach QE.

Preferred Skills

  • Lustre performance (LNet, OSTs/MDTs, obdfilter-survey, client fio).
  • Software-defined NVMe-oF / distributed block storage internals.
  • Cloud bare-metal (OCI/GCP), dense NVMe platforms.
  • OFED/MOFED/DOCA driver evaluation, ConnectX-class NIC tuning.

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