Staff Kernel Security Engineer (Linux)

Staff Kernel Security Engineer

Company

Crusoe, Inc.

Conditions

6 days agoSalary: 215K - 260K

Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will strengthen kernel and operating-system security through hardening, CVE triage, vulnerability research, secure code reviews, auditing, and incident-response support. You will establish security guardrails, audit hypervisor isolation, balance security with performance, and mentor engineers on kernel security practices.

Requirements

• Deep knowledge of Linux kernel internals and security
• Knowledge of kernel vulnerabilities and exploitation techniques
• Experience with Linux kernel security mitigations
• Secure coding and security-focused code review experience in C
• Proficiency with kernel debugging and security analysis tools
• Familiarity with hardware-assisted security features
• Bachelor's degree in Computer Science, Computer Engineering, or a related field
• At least 5 years of relevant industry experience, including 3 years in low-level operating systems or kernel security
• Ability to pass a background check
• Experience with CVE remediation and automation

Responsibilities

• Implement kernel hardening and triage CVEs
• Enforce access controls, boot security, CI guardrails, and fuzzing coverage
• Research vulnerabilities and backport upstream security fixes
• Establish secure coding standards and conduct security-focused code reviews
• Develop and use security auditing, fuzzing, static-analysis, and dynamic-analysis tools
• Support kernel and operating-system security incident response
• Audit and harden Cloud Hypervisor device models and vhost-user datapaths
• Collaborate on security practices across hardware, hypervisor, operating-system, infrastructure, and security teams
• Mentor junior engineers on kernel security practices
• Debug and root-cause kernel-level security issues

Benefits

• Equity packages
• Restricted Stock Units
• Paid time off
• Paid holidays
• Leave of absence programs
• Health, dental, and vision insurance
• Employer HSA contributions
• Paid parental leave
• Life insurance
• Short-term disability insurance
• Long-term disability insurance
• Tuition reimbursement
• Mental health and wellness support
• Commuter benefits
• Cell phone stipend
• 401(k) plan with up to 4% company match
• Volunteer time off
• Global travel insurance and emergency assistance
• Daily meals allowance

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