Sr/Staff Lustre Engineer
DDN, Santa Clara Colocation
About the job
What you’ll do
- 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