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# Staff Linux Kernel Engineer

- **Company:** Crusoe's Inc
- **Location:** Sunnyvale, CA, United States
- **Experience:** Expert
- **Salary:** $250,000.0 - $300,000.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Artificial Intelligence, Device Drivers, Memory Management, Kernel-Based Virtual Machine, Linux Kernel, Mailing List, Quick EMUlator (QEMU), Software Engineering, Subsystems, Virtualization Technology, Xen Servers, High Performance Computing, Low Latency, Vulnerability Analysis
- **Published:** September 23, 2026
- **Apply:** https://www.thejobnetwork.com/job/82a844b8-4d8f-4948-9a38-74a34233f12a/senior-staff-linux-kernel-engineer

## About the Role

* Deep knowledge of Linux kernel internals - memory management, scheduler, networking, storage subsystems and/or device drivers
 * Strong C programming skills; fluency in kernel development workflow (patch submission, mailing lists, Lore)
 * Experience evaluating kernel security vulnerabilities: CVE analysis, exploitability assessment, backporting fixes
 * Demonstrated ability to set technical direction and drive projects end-to-end
 * Track record of upstream Linux kernel contributions is a strong plus
 * Deep knowledge of Linux kernel internals (memory management, scheduler, I/O) and virtualization technologies (KVM, Xen, or QEMU)
 * 10+ years of experience in systems software engineering working on low-level systems or infrastructure teams.

## Description

You will set the technical direction for Crusoe's Linux kernel team, owning the roadmap and architecting critical development projects. This role requires a balance of high-level architectural design and hands-on kernel coding. You will tackle the most complex kernel problems while mentoring and growing the engineers around you to deliver production-ready infrastructure at scale.

What You'll Be Working On:

 * Perform deep-dive root-cause analysis of issues across the OS and hardware layers. You will lead the triage and backporting for kernel CVEs while building automated tooling for vulnerability analysis.
 * Architect and lead critical projects - new kernel features, security patching infrastructure, deployment systems - from design through production and upstream.
 * Develop kernel code with an upstream-first mindset - we aim to contribute all changes to the Linux kernel community and keep our downstream patches zero; this is a core part of how the team works, not an afterthought
 * Develop and review kernel code: memory management, scheduler, networking, storage, and GPU-related subsystems
 * Design and implement advanced virtualization technologies tailored for GPU-accelerated AI and HPC workloads. You will optimize the stack for low latency and high scalability across hypervisors and device emulation.
 * Find and develop kernel efficiency improvements proactively (e.g., DAMON-based memory management, hugepage optimization, memory overcommit)
 * Mentor and review work from mid-level and junior engineers


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