Senior LustreFS Engineer – AI-Enhanced Debug & Scale

DDN; Clifton (TX); On-site; USD 150,000 - 230,000; Full time

Job summary

DDN seeks a Staff Engineer with 10+ years of distributed storage and Linux-based systems engineering. This hands-on senior role focuses on design, debugging, performance and operational excellence across LustreFS and adjacent stack components.

The candidate will drive complex investigations, collaborate with engineering, QE, support and release teams, and leverage AI-assisted tools to accelerate triage, log analysis and feature design.

Qualifications

• 10+ years of experience in systems software, distributed systems, storage, Linux kernel or filesystem engineering.
• Strong LustreFS development, support or performance engineering.
• Strong C programming and Linux systems debugging skills.
• Working knowledge of Linux kernel internals, filesystem semantics, networking and performance analysis.
• Experience with LNet and/or RDMA/InfiniBand/RoCE or TCP-based storage networking.
• Ability to debug across multiple layers including client, server, network and backend storage.
• Strong collaboration skills across engineering, QE, support and release teams.

Responsibilities

• Design, develop and debug LustreFS features across subsystems like llite, MDS/MDT, OSS/OST, LDLM and LNet.
• Investigate defects, drive root-cause analysis and implement fixes.
• Contribute to performance tuning, failure analysis and reliability improvements for large-scale Lustre deployments.
• Participate in code reviews and subsystem discussions with emphasis on testing and operational readiness.
• Work with QE and support to reproduce issues and improve diagnostic data quality.
• Document subsystem behavior and debugging approaches.
• Use AI-assisted tools to speed up triage, log summarization and code understanding.

Skills

LustreFS development

C programming

Linux systems debugging

Linux kernel internals

LNet and high-performance transports

multi-layer debugging

collaboration

Job description

DDN seeks a Staff Engineer with 10+ years of distributed storage and Linux-based systems engineering. This hands-on senior role focuses on design, debugging, performance and operational excellence across LustreFS and adjacent stack components.

The candidate will drive complex investigations, collaborate with engineering, QE, support and release teams, and leverage AI-assisted tools to accelerate triage, log analysis and feature design.