Senior LustreFS Engineer: Performance & AI Debugging

Ddn; Santa Clara (CA); On-site; USD 190,000 - 260,000; Full time

Job summary

Ddn is seeking a Staff Engineer with 10+ years of experience in distributed storage and Linux-based systems engineering. The role is hands-on and focuses on design, debugging, performance, and operational excellence across LustreFS and related components.

The ideal candidate will drive complex investigations, collaborate across engineering, QE, support and release teams, and use AI-assisted tools to speed triage, logging, and feature design. Strong subsystem depth is required.

Qualifications

• 10+ years in systems software or distributed storage.
• Strong LustreFS experience and subsystem depth.
• Proficient in C programming and Linux debugging.
• Experience across client, server, network and storage layers.

Responsibilities

• Hands-on development and debugging of LustreFS features and fixes.
• Investigate scale-related defects and perform root-cause analysis.
• Contribute to performance tuning and reliability improvements.
• Participate in design reviews and subsystem discussions.
• Collaborate with QE, support and release teams for diagnostics.

Skills

Distributed systems

Linux kernel

C programming

Performance analysis

AI-assisted tooling

Code reviews

Education

BS in Computer Science

Tools

LustreFS

LNet

RDMA

NVMe tooling

Job description

Ddn is seeking a Staff Engineer with 10+ years of experience in distributed storage and Linux-based systems engineering. The role is hands-on and focuses on design, debugging, performance, and operational excellence across LustreFS and related components.

The ideal candidate will drive complex investigations, collaborate across engineering, QE, support and release teams, and use AI-assisted tools to speed triage, logging, and feature design. Strong subsystem depth is required.