Senior Parallel File System Software Developer
Lawrence Livermore National Laboratory12 hours ago
Base Salary
$211k - $267k/yr
Responsibilities
- Provide technical leadership for the evolution, reliability, and performance of production Lustre file systems at petabyte and billion-object scale.
- Research, architect, develop, maintain, integrate, and sustain parallel file-system software and related storage solutions.
- Develop and lead evaluation, design, integration, and deployment of software fixes, upstream patches, and local enhancements.
- Diagnose and resolve complex system-wide performance, scalability, reliability, and architectural issues in production storage systems.
- Review upstream and local code changes, establish adoption criteria, and lead integration into production Lustre deployments.
- Lead cross-functional storage-system initiatives while evaluating technical tradeoffs, risks, lifecycle impacts, and alternative architectures.
- Establish technical roadmaps, architecture, and engineering priorities for parallel file-system software.
- Provide strategic technical guidance to management, stakeholders, partner organizations, and external technical communities.
- Mentor and develop technical staff and share storage expertise across the organization.
- Work off-hours as needed to resolve production problems.
Requirements
- Bachelor's degree in computer science or a related field, or an equivalent combination of education and related experience.
- Ability to obtain and maintain a U.S. Department of Energy Q-level security clearance; Q-level clearance requires U.S. citizenship.
- Significant subject-matter expertise in parallel file-system internals, including substantial Lustre experience.
- Significant experience in a production high-performance computing environment with serious downtime and end-user consequences.
- Advanced proficiency developing systems software in C in a team environment, with additional proficiency in C++, Rust, or Python.
- Highly advanced knowledge of Linux operating systems and kernel interfaces, including configuration, networking, and system security.
- Advanced debugging and problem-solving skills for highly parallel, multithreaded, and multi-component storage systems.
- Advanced proficiency with Linux debugging and inspection tools such as strace, perf, gdb, /proc, and eBPF.
- Expert communication, collaboration, technical-influence, and presentation skills.
- Demonstrated ability to lead technical projects or major workstreams, establish technical direction, and influence multidisciplinary decisions.
- Preferred qualifications include a master's degree, open-source storage contributions, technical publications or conference presentations, and experience with large-scale storage architecture or technical roadmaps.
- Preferred experience includes S3, object storage, OIDC/OAuth, metadata extraction and cataloging systems, and integrating traditional storage with cloud-first technologies.
Benefits
- Hybrid work option with flexibility to work remotely from home and regular visits to LLNL.
- Flexible benefits package.
- 401(k).
- Relocation assistance.
- Education reimbursement program.
- Flexible schedules depending on project needs.
- Career Indefinite position open to Lab employees and external candidates.
- External applicants must pass a post-offer, pre-employment drug test; the position is subject to DOE clearance, classified-work restrictions, and applicable mobile-device rules.
About Lawrence Livermore National Laboratory
Lawrence Livermore National Laboratory (LLNL) is a U.S. Department of Energy/National Nuclear Security Administration laboratory in Livermore, California, conducting research for national security, energy, and fundamental science. Founded in 1952 and operated by Lawrence Livermore National Security, LLC, LLNL’s portfolio spans stockpile stewardship, high-performance computing, and the National Ignition Facility laser program, with work funded primarily through federal contracts and appropriations for defense, intelligence, and civilian agencies.