Senior Staff Engineer, Lustre

🔥 12 hours ago

🌲 North Carolina, Texas – Remote

🌲 North Carolina – Remote 🤠 Texas – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 12%

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DDN

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 1998

🏥 Healthcare

📦 Logistics

🏭 Manufacturing

💰 $10M Funding Round on 2011-06

Healthcare • Logistics • Manufacturing

DDN is a global leader in AI data intelligence solutions, providing high-performance computing and sophisticated data management technologies. With a focus on accelerating AI deployments and advanced data analytics, DDN's products, including the Data Intelligence Platform and advanced storage systems, serve diverse sectors such as healthcare, financial services, and government. DDN is committed to transforming enterprise data infrastructure to leverage the full potential of AI and drive operational efficiency.

📋 Description

• Design, develop and debug LustreFS features, fixes and enhancements across llite, MDS/MDT, OSS/OST, LDLM and LNet • Investigate customer and scale-related defects, drive root-cause analysis and implement high-quality fixes • Contribute to performance tuning, failure analysis and reliability improvements for large-scale Lustre deployments • Participate in code reviews, design reviews and subsystem discussions • Work with QE and support to reproduce issues, improve diagnostic data quality and increase coverage for high-risk failure scenarios • Document subsystem behavior, debugging approaches, known failure patterns and operational best practices • Use AI-assisted tools to accelerate issue triage, log summarization, code understanding and reusable lessons learned • Investigate customer-facing and scale-related issues across client, metadata, object storage, LNet and transport layers • Design and implement reliability, observability and serviceability improvements • Review and validate fixes through targeted tests, failure injection, log analysis and performance characterization • Strengthen documentation, code review quality and subsystem knowledge sharing

🎯 Requirements

• 10+ years of experience in systems software, distributed systems, storage, Linux kernel or filesystem engineering • Strong experience in LustreFS development, support or performance engineering, with depth in at least one major subsystem • 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 high-performance transports such as RDMA, InfiniBand, RoCE or TCP-based storage networking • Ability to debug and resolve issues spanning client, server, network and backend storage layers • Strong collaboration skills and ability to work across functions in a fast-moving engineering environment • Experience in HPC, AI infrastructure or large-scale parallel storage environments preferred • Exposure to metadata-heavy and throughput-heavy workload characterization and tuning preferred • Familiarity with ZFS, ldiskfs, NVMe-backed storage and observability/performance tooling preferred • Experience creating test plans, reproducer frameworks, runbooks or diagnostic automation preferred • Comfort using AI tools for debugging, code reviews, triage, documentation and early-stage design ideation preferred • Experience mentoring junior engineers or leading focused technical efforts within a subsystem preferred

🏖️ Benefits

• No benefits, perks, or compensation extras are specified in the posting • Application limit: up to 3 positions within a 60-day window • Candidates are asked to wait 90 days before reapplying for the same position if it is not the right fit

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