Crusoe
Senior Staff Linux Kernel Engineer
$250K–$300K
San Francisco, CA - US +1 · On-site · Senior Staff · Full-time · Posted Aug 13, 2026
- Location
- San Francisco, CA - US
Sunnyvale, CA - US - Experience
- 10+ years of systems software engineering experience on low-level systems or infrastructure teams.
About the job
Sets technical direction for Crusoe’s Linux kernel team and leads kernel development, security, virtualization, and performance work for production AI and HPC infrastructure.
What you'll do
- Lead kernel project architecture, development, deployment, and upstream contributions; own roadmap and mentor engineers.
- Analyze OS and hardware issues, lead kernel CVE triage and backporting, and build vulnerability-analysis tooling.
- Develop and review kernel subsystems and GPU-focused virtualization and efficiency improvements.
What they ask for
- Deep knowledge of Linux kernel internals, including memory management, scheduling, networking, storage, I/O, and/or device drivers.
- Strong C programming skills and fluency in kernel development workflows, including patch submission, mailing lists, and Lore.
- Experience assessing kernel security vulnerabilities, exploitability, and fixes.
- Ability to set technical direction and drive projects end-to-end.
Nice to have
- Track record of upstream Linux kernel contributions.
- Knowledge of virtualization technologies such as KVM, Xen, or QEMU.
Pay
Up to $250,000 -$300,000 USD base salary + Bonus (amount not specified); Restricted Stock Units included in all offers (amount not specified).
Tools
Linux kernel, C, Lore, KVM, Xen, QEMU, DAMON
AI focus
Develops and optimizes Linux kernel and virtualization infrastructure for GPU-accelerated AI and HPC workloads.
Model-written summary · the original posting is authoritative