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DDN
Staff Engineer - Performance
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Location
Pune Office
Work mode
on-site
Type
full-time
Seniority
Lead
Experience
12+ yrs
Department
Department
Company size
1,001–5,000 people
First seen
Oct 3, 2026 · 1w ago
Verified live
1d ago
At a glance
Summarised by Seekless from the posting.
Must have
7
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
Nice to have
4
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
Skills
Linux
C
Python
NVMe
NVMe-oF
RDMA
RoCEv2
InfiniBand
TCP
fio
perf
ftrace
eBPF
Lustre
LNet
OFED
MOFED
DOCA
OCI
GCP
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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