Staff Engineer - Performance

DDN • Enterprise Storage Systems • Servers & Data Center Hardware • Python • 23 days ago

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Salary

≈ $48k – $101k per year (Estimated)

Location

In office (Pune)

Seniority

Staff · 12+ years exp

Employment

Full-Time

Confirmed on the employer's own hiring board on Sep 27, 2026. First seen by Alion on Sep 4, 2026.

Overview

Company

Impact

Profile match

DDN

DDN (DataDirect Networks) is a data storage company headquartered in Chatsworth, California that builds high-performance storage systems and a data intelligence platform for AI factories, cloud providers and supercomputing. Formed in 1998 through the merger of MegaDrive and ImpactData by co-founders Alex Bouzari and Paul Bloch, it has systems in 48 of the world's top 100 supercomputers and took a $300 million investment from Blackstone at a $5 billion valuation. It hires Rust, Go and Lustre software engineers, DevOps and build engineers, solutions architects, support engineers, manufacturing test technicians, and sales, tax and legal staff.

ddn.com • HQ: Los Angeles, London, United States • Servers & Data Center Hardware • Enterprise Storage Systems • 501-1000 employees • Est. 1998

Tech stack of DDN

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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