Staff Engineer
Ddn · Pune Office
- Location
- Pune Office
- Posted
- 5 days ago
- Type
- Fulltime / On site
- Salary
- Not listed — worth asking early.
What the job really is
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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