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Staff Engineer - Performance

DDN
Pune Office Posted Sep 4, 2026
Full-timeOn-site

About this role

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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