Senior Software Security Engineer

AI safety and research company building reliable, interpretable, and steerable AI systems, including the Claude product family and developer platform.

Series F+Recently funded0 current maintainers0 active leadsTeam intelligence

Maintainer signals as of 9/24/2026

San Francisco, United States
About Anthropic

Anthropic PBC develops frontier AI systems and deploys them through Claude products and the Claude Platform, with a stated focus on safety, interpretability, and steerability.

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Skills

Candidate Availability

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

About the Role

You will build identity, secrets-management, cloud-security, and cluster-security systems. You will harden CI/CD pipelines, design secure development frameworks, identify and remediate security gaps, and improve cloud security posture through infrastructure-as-code scanning and automated remediation.

Requirements

  • 5+ years of software engineering experience with security-relevant production systems
  • Python, Go, or Rust
  • Cloud security controls
  • End-to-end problem ownership
  • Communication and cross-functional collaboration
  • AI safety

Responsibilities

  • Build and maintain identity and secrets-management systems
  • Contribute to cluster security controls
  • Implement and maintain cloud security controls
  • Design and implement secure development frameworks and libraries
  • Harden CI/CD pipelines against supply-chain attacks
  • Identify and remediate security gaps through code review, threat modeling, and debugging
  • Improve cloud security posture through infrastructure-as-code scanning and automated remediation

Benefits

  • Visa sponsorship support
  • Optional equity donation matching
  • Generous vacation
  • Parental leave
  • Flexible working hours