Role Overview
Crusoe is seeking a Staff Linux Kernel Engineer to join the Cloud Engineering team in San Francisco, CA. This full-time position suits an experienced systems professional ready to drive the technical direction of the Linux kernel team and design large-scale infrastructure for artificial intelligence workloads.
Key Responsibilities
Lead deep-dive root-cause analysis across operating system and hardware layers, managing vulnerability triage, backporting for CVEs, and building automated analysis tools.
Architect and deliver critical development initiatives, including new kernel features, security patching systems, and deployment mechanisms from design to production and upstream.
Write and review kernel code focusing on core subsystems like memory management, the scheduler, networking, storage, and GPU-related components.
Design advanced virtualization technologies tailored for high-performance computing and GPU-accelerated artificial intelligence workloads, optimizing for low latency and high scalability.
Proactively discover and implement kernel efficiency improvements, such as hugepage optimization, DAMON-based memory management, and memory overcommit.
Guide, mentor, and review the technical output of junior and mid-level engineers within the organization.
Requirements
Bring ten or more years of professional experience in systems software engineering on low-level systems or infrastructure teams.
Possess comprehensive knowledge of Linux kernel internals, including memory management, the scheduler, networking, storage subsystems, and device drivers.
Demonstrate strong C programming capabilities along with fluency in standard kernel development workflows like patch submission, Lore, and mailing lists.
Show direct experience evaluating kernel security vulnerabilities through exploitability assessment, CVE analysis, and backporting fixes.
Exhibit a proven ability to establish technical direction and guide complex engineering projects independently from start to finish.
Nice to Have
A documented track record of upstream Linux kernel contributions.
Deep familiarity with virtualization technologies such as KVM, Xen, or QEMU alongside kernel internals.
Skills and Tools
Linux Kernel Internals
C Programming
Kernel Development Workflow
Virtualization Technologies
Security Patching and CVE Analysis
Salary and Benefits
Annual compensation ranging from $215,000 to $260,000 plus a bonus, supplemented by Restricted Stock Units included in all offers.
Comprehensive medical, dental, and vision insurance alongside employer contributions to health savings accounts.
Retirement readiness through a 401(k) plan featuring a company match of up to 4%.
Generous paid time off, paid holidays, leave of absence programs, and paid parental leave.
Financial security via life insurance, short-term disability, long-term disability, and global travel insurance with emergency assistance.
Professional development support, tuition reimbursement, mental health resources, and wellness programs.
Daily meals allowances, cell phone stipends, commuter transit and parking benefits, and volunteer time off.
About the Company
Crusoe operates as a vertically integrated artificial intelligence infrastructure company that owns and manages the entire stack from electrons to tokens to power demanding workloads. The organization applies an energy-first strategy to make artificial intelligence infrastructure environmentally responsible and faster for innovators.
How to Apply
Interested candidates should visit the official Crusoe careers page to submit their application for this position.
