Senior Software Security Engineer

Anthropic Anthropic · AI Frontier · New York, NY +2 · Security

Senior Software Security Engineer at Anthropic, focusing on protecting AI systems and user trust. Responsibilities include building and maintaining identity and secrets management, cluster security controls, cloud security controls, secure development frameworks, and hardening CI/CD pipelines. The role requires strong programming skills in Python or systems languages, experience with cloud security, and a track record of end-to-end ownership. The company's mission is to create reliable, interpretable, and steerable AI systems.

What you'd actually do

  1. Build and maintain identity and secrets management systems, including credential issuance, rotation, and workload authentication across our multi-cloud environments
  2. Contribute to cluster security controls including RBAC policies, namespace isolation, workload identity, and pod security
  3. Implement and maintain cloud security controls including IAM, network segmentation, VPC architecture, and encryption across our multi-cloud and on-prem environments
  4. Design and implement secure development frameworks and libraries that make secure coding the path of least resistance for our engineering teams, including service to service authentication, serialization libraries, and tool proxies.
  5. Harden CI/CD pipelines against supply chain attacks through isolated build environments, signed attestations, dependency verification, and automated policy enforcement

Skills

Required

  • Python
  • Go
  • Rust
  • cloud security controls
  • end-to-end ownership
  • communication skills
  • collaborative work

Nice to have

  • developer security tooling
  • Kubernetes security
  • cloud security posture management
  • network security
  • eBPF
  • secrets management
  • workload authentication
  • OAuth 2.0
  • OIDC
  • SAML
  • SPIFFE/SPIRE
  • security systems in research environments

What the JD emphasized

  • security-relevant systems in production
  • taking ownership of problems end to end
  • AI safety