Senior Lustre Architect & Performance Lead

Data Direct Networks

California (MO)

On-site

USD 140,000 - 210,000

Full time

14 days+
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Benefits offered by this job

Highly Competitive Vacation Plans
Paid Holidays
Bonus Programs
Tuition Reimbursement
Employee Referral Program
Excellent Medical, Dental and Vision

Job summary

Data Direct Networks is seeking a Sr/Staff Lustre Engineer to contribute to Lustre architecture and lead the implementation of features across core subsystems. You will write high‑performance code in the Lustre kernel and user space, and own the full development lifecycle from design to upstream patch submission.

You will drive scalability for multi‑petabyte Lustre deployments, modernize internals, prototype NVMe‑oF and CXL integrations, and validate with IOR/mdtest/fio.

Qualifications

  • 7+ years of Lustre software development experience.
  • Strong track record of meaningful Lustre codebase contributions in production or open‑source environments.
  • Experience designing, implementing, and upstreaming Lustre features that made it into major releases.

Responsibilities

  • Contribute to Lustre architecture and lead implementation of new features across core subsystems including MDS/OSS, LDLM, DNE, DoM, FLD, layout, snapshot, quota, security, and recovery.
  • Write high‑performance, production‑grade code across the Lustre kernel module, user‑space utilities, and supporting libraries.
  • Own the full development lifecycle for major features, from design and coding through testing, performance tuning, and upstream patch submission.
  • Improve scalability for multi‑petabyte Lustre environments, including metadata performance, I/O path optimization, and integration with modern interconnects and storage fabrics.
  • Modernize Lustre internals through kernel API updates, locking improvements, RDMA enhancements, and cloud/container‑oriented capabilities.
  • Prototype and evaluate emerging technologies such as NVMe‑oF, CXL, and other next‑generation storage approaches for potential Lustre integration.
  • Strengthen regression, stress, and performance validation using tools such as IOR, mdtest, fio, and custom Lustre test tooling.
  • Perform deep code‑level performance analysis using Lustre tracing tools, perf, lockstat, and kernel profilers.
  • Work closely with Principal Engineers, hardware teams, and application owners to translate real workload needs into practical Lustre improvements.
  • Mentor other developers and contribute design docs, technical guides, and engineering reviews.

Skills

Lustre software development
C programming
Linux kernel development
Distributed systems
High‑performance I/O
Python/Bash tooling

Education

Bachelor’s or Master’s degree in Computer Science/Engineering

Tools

lctl
llstat
strace
perf
kernel tracers

Job description

Data Direct Networks is seeking a Sr/Staff Lustre Engineer to contribute to Lustre architecture and lead the implementation of features across core subsystems. You will write high‑performance code in the Lustre kernel and user space, and own the full development lifecycle from design to upstream patch submission.

You will drive scalability for multi‑petabyte Lustre deployments, modernize internals, prototype NVMe‑oF and CXL integrations, and validate with IOR/mdtest/fio.

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