Senior LustreFS Engineer – Distributed Storage Expert

DDN; Austin (TX); On-site; USD 210,000 - 270,000; Full time

Job summary

DDN is seeking a Staff Engineer with 10+ years of distributed storage and Linux-based systems expertise to design, debug, and optimize LustreFS and related subsystems in Austin.

You will lead cross-team investigations, contribute to performance and reliability, review changes, and apply AI-assisted workflows to speed triage, logging, and feature development in a fast-moving engineering environment.

Qualifications

• 10+ years in systems software, distributed systems, storage, Linux kernel or filesystem engineering.
• Deep LustreFS development, support or performance engineering with depth in at least one major subsystem.
• Strong C programming and Linux debugging skills.
• Working knowledge of Linux kernel internals, filesystem semantics, networking and performance analysis.
• Experience with LNet and/or high-performance transports such as RDMA, InfiniBand, RoCE or TCP-based storage networking.
• Ability to debug and resolve issues spanning multiple layers including client, server, network and backend storage.
• Strong collaboration skills across functions in a fast-moving engineering environment.

Responsibilities

• Design, develop and debug LustreFS features, fixes and enhancements across subsystems such as llite, MDS/MDT, OSS/OST, LDLM and LNet.
• Investigate customer and scale-related defects, drive root-cause analysis and implement high-quality fixes with strong attention to correctness and maintainability.
• Contribute to performance tuning, failure analysis and reliability improvements for large-scale Lustre deployments.
• Participate actively in code reviews, design reviews and subsystem discussions, bringing rigor to testing and operational readiness.
• Work closely with QE and support to reproduce issues, improve diagnostic data quality and increase coverage for high-risk failure scenarios.
• Help document subsystem behavior, debugging approaches, known failure patterns and operational best practices.
• Use AI-assisted tools where appropriate to speed up issue triage, summarize logs, improve code understanding and capture reusable lessons learned.

Skills

LustreFS development

C programming

Linux debugging

Distributed systems

Tools

LNet

RDMA/InfiniBand/TCP storage

Linux kernel tools

Job description

DDN is seeking a Staff Engineer with 10+ years of distributed storage and Linux-based systems expertise to design, debug, and optimize LustreFS and related subsystems in Austin.

You will lead cross-team investigations, contribute to performance and reliability, review changes, and apply AI-assisted workflows to speed triage, logging, and feature development in a fast-moving engineering environment.