✦ Luna Orbit — Cybersecurity

Platform Security Engineer, Operating Systems

at Anthropic

📍 San Francisco, CA | New York City, NY | Seattle, WA Hybrid Posted March 07, 2026
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Position Details

Type Not Specified
Experience senior
Exp. Years 5+ years
Education Not specified
Category Cybersecurity

About this role

This role involves designing and implementing OS-level security controls for AI infrastructure, focusing on kernel hardening, runtime protection, and system integrity.

Key Responsibilities

  • Design OS security configurations
  • Develop kernel security policies
  • Implement runtime protection mechanisms
  • Apply security patches and kernel hardening
  • Build attestation and integrity monitoring systems

Technical Overview

The technical environment includes Linux internals, security frameworks like SELinux and AppArmor, eBPF, kernel development, virtualization, and hardware security features.

Ideal Candidate

The ideal candidate is a senior OS security engineer with over 5 years of experience in Linux kernel security, kernel hardening, and exploit mitigation. They possess deep knowledge of Linux internals, security frameworks, and kernel development, with a strong focus on building secure, tamper-proof OS environments.

Must-Have Skills

5+ years operating systems securityLinux internalsKernel hardening techniquesC programmingKernel development experienceSecurity frameworks (SELinuxAppArmorseccomp)Exploit mitigationRuntime protectionKernel modulesSecurity patches

Nice-to-Have Skills

Real-time or embedded OSHardware security featuresSecure boot technologiesContributions to Linux kernelExperience with virtualization

Tools & Platforms

SELinuxAppArmorLinux Security ModuleseBPFLinux kernelCustom kernel modules

Required Skills

LinuxKernel hardeningSELinuxAppArmoreBPFKernel developmentSecurity patchesFull-disk encryptionSecure bootLinux Security Modules

Hard Skills

LinuxLinux Security ModulesSELinuxAppArmorKernel hardeningeBPFKernel developmentCSystems programmingVirtualizationContainerizationSecure bootHardware security featuresKernel security policiesRuntime protectionFull-disk encryptionOS securityAttestationIntegrity monitoring

Soft Skills

Problem-solvingSecurity expertiseCollaborationCommunicationAnalytical thinking

Industry & Role

Industry Technology / AI & Machine Learning
Job Function Develop and maintain OS security controls for AI infrastructure

Keywords for Your Resume

Operating Systems SecurityKernel hardeningSELinuxAppArmorLinux Security ModuleseBPFKernel developmentC programmingSecurity patchesFull-disk encryptionSecure bootAttestationIntegrity monitoringKernel security policiesRuntime protectionVirtualization securityContainer securityLinux internalsLinuxKernel security

Deal Breakers

Less than 5 years experience in OS security, Lack of Linux kernel development experience, No knowledge of SELinux or AppArmor, Inability to work on-site in specified locations

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