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AnthropicAnthropicSan Francisco, CA

Platform Security Engineering, Operating Systems

Hardens and secures the OS layer for Anthropic's AI infrastructure, designing kernel-level protections, runtime enforcement, attestation, and isolation for large-scale model training environments. Requires deep Linux kernel expertise, C/systems programming, and OS security experience.

320k – 405k
Hybrid5+ YOESecurity Engineering

About the role

Key Responsibilities

  • Design and implement hardened OS configurations for AI workloads across diverse hardware platforms
  • Minimize attack surfaces by removing as many unnecessary components as possible from kernelspace and userspace
  • Develop kernel security policies using SELinux, AppArmor, and custom Linux Security Modules and runtime enforcement mechanisms
  • Implement and maintain full-disk encryption solutions for diverse storage systems
  • Build security infrastructure for AI systems, research environments, and production services
  • Create OS-level attestation and integrity monitoring systems
  • Apply security patches, develop patches for custom kernel modules, and kernel hardening configurations
  • Design secure boot processes and trusted execution environments
  • Work with container teams to ensure proper workload isolation at the kernel level
  • Design privilege separation and mandatory access control policies
  • Implement secure update mechanisms for OS components
  • Build tooling for security configuration management and compliance verification
  • Serve as a subject matter expert for OS security questions and designs

Minimum Qualifications

  • Deep knowledge of Linux internals, including kernel subsystems and security frameworks (SELinux, AppArmor, seccomp, etc.)
  • Experience with kernel hardening techniques and exploit mitigation
  • Strong programming skills in C and systems programming languages
  • Experience with eBPF for security monitoring and enforcement
  • Understanding of virtualization and containerization security
  • Track record of identifying and fixing OS-level security vulnerabilities
  • Experience with security-focused Linux distributions

Preferred Qualifications

  • 5+ years of experience in operating systems security or kernel development
  • Kernel development experience or contributions to Linux kernel
  • Experience with real-time or embedded operating systems
  • Knowledge of hardware security features and their OS integration
  • Experience with secure boot technologies
  • Experience with confidential computing and memory encryption technologies (SEV, TDX, SGX)
  • Background in vulnerability research, exploit development, or fuzzing
  • Experience with formal methods for OS verification
  • Knowledge of hardware security features and their OS integration (TPM, HSM, secure enclaves)

Education

  • Bachelor’s degree or an equivalent combination of education, training, and/or experience in a relevant field

Skills

LinuxKernel HardeningSelinuxApparmorSeccompEbpfCLinux Security ModulesSecure BootTpmSevTdxSgxVirtualization SecurityContainer Security
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