Crusoe designs, builds, and operates energy-first AI infrastructure. Its offerings include Crusoe Cloud for GPU-based training, fine-tuning, inference, and managed services, alongside AI-optimized data centers and energy infrastructure.

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Skills

Amd Sev-Snp Apparmor C#Cloud Hypervisor Code Review Cve Fuzzing Gdb Hypervisor Incident Response Intel Tdx Linux Kernel Secure Coding Security Selinux

Candidate Availability

Onsite · San Francisco · Required

About the Role

You will implement kernel hardening, triage CVEs, enforce access controls and secure boot, and build CI guardrails and fuzzing. You will research vulnerabilities, backport fixes, audit Cloud Hypervisor, conduct security code reviews, support incident response, mentor engineers, and collaborate across teams.

Requirements

Deep knowledge of Linux kernel internals with security focus
Understanding of kernel vulnerabilities and exploitation techniques
Experience with Linux kernel security mitigations
Secure coding experience, particularly in C
Proficiency with kernel debugging and security analysis tools
Familiarity with hardware-assisted security features
Bachelor's degree in Computer Science or related field
5+ years of experience with 3+ in low-level OS or kernel security
Ability to pass a background check
Experience with CVE remediation and automation

Responsibilities

Implement kernel security enhancements and triage CVEs
Enforce mandatory access controls, secure boot and CI guardrails with fuzzing
Research vulnerabilities and backport upstream fixes
Establish secure coding standards and conduct security code reviews
Develop and use kernel security auditing, fuzzing and analysis tools
Support incident response for kernel or OS-level compromises
Balance security enhancements with system performance
Audit and harden Cloud Hypervisor and advance confidential computing
Collaborate with cross-functional engineering teams
Mentor junior engineers
Debug and root-cause kernel-level security issues

Benefits

Competitive compensation and equity packages
Restricted Stock Units
Paid time off, paid holidays & leave of absence programs
Health, dental & vision insurance
Employer HSA contributions
Paid parental leave
Paid life insurance, short-term and long-term disability
Professional development & tuition reimbursement
Mental health & wellness support
Commuter benefits
Cell phone stipend
401(k) with company match up to 4% of salary
Volunteer time off
Global travel insurance & emergency assistance
Daily meals allowance
Additional location-specific perks