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Platform Security Engineering, Operating Systems

Anthropic· Security
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Hybrid (San Francisco, CA), Hybrid (New York City, NY), Hybrid (Seattle, WA)$320k - $405kFull-timePosted 3mo ago

About the role

Harden and secure the OS layer of Anthropic's infrastructure, designing and implementing OS-level security controls from kernel hardening to runtime protection to support AI model training at scale.

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

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

Skills

Required:Linux kernel internalsKernel hardeningC and systems programmingeBPFSecurity policy frameworksVirtualization and container security
Nice to have:Vulnerability researchSecure boot / TEEs

Benefits

  • Competitive compensation
  • Flexible working hours
  • Generous vacation and parental leave
  • Optional equity donation matching
  • Lovely office space
  • Visa sponsorship support as described in logistics
  • Guidance on AI usage in application process
Last updated Jul 8, 2026. Interested? Apply on the company site.

About Anthropic

building reliable, interpretable, and steerable AI systems

Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

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