Anthropic is seeking a Security Engineer focused on Offensive Security to join the Security Engineering team. Anthropic’s mission is to build reliable, interpretable, and steerable AI systems that are safe and beneficial for users and society. The Security Engineering team safeguards AI systems and maintains the trust of our users and society at large. You will conduct red and purple team engagements across cloud infrastructure, endpoints, and bare-metal deployments; perform penetration testing on high-value deployments; contribute to AI-assisted security testing tooling and workflows; collaborate with security and engineering teams on AI-specific attack scenarios; and document and present findings to technical and executive audiences, translating attack narratives into actionable risk insights to inform security roadmaps.

Qualifications: - 5+ years of hands-on red teaming and offensive security operations - Deep expertise in at least two of: macOS security, Linux security, cloud security (GCP/AWS/Azure), Kubernetes, CI/CD pipelines - Track record of discovering novel attack vectors and creatively chaining vulnerabilities - Experience conducting adversarial simulations against well-defended environments - Strong engineering skills (Python, Go, or similar) - Ability to write clear findings that drive action - Collaborative approach with blue teams

Nice to have: - Prior work at organizations with state actor threat models - Interest in AI safety and how security engineering contributes to responsible AI developments - Background testing AI/ML systems or agentic workflows -

Anthropic is seeking a Security Engineer focused on Offensive Security to join the Security Engineering team. Anthropic’s mission is to build reliable, interpretable, and steerable AI systems that are safe and beneficial for users and society. The Security Engineering team safeguards AI systems and maintains the trust of our users and society at large. You will conduct red and purple team engagements across cloud infrastructure, endpoints, and bare-metal deployments; perform penetration testing on high-value deployments; contribute to AI-assisted security testing tooling and workflows; collaborate with security and engineering teams on AI-specific attack scenarios; and document and present findings to technical and executive audiences, translating attack narratives into actionable risk insights to inform security roadmaps.

Qualifications: - 5+ years of hands-on red teaming and offensive security operations - Deep expertise in at least two of: macOS security, Linux security, cloud security (GCP/AWS/Azure), Kubernetes, CI/CD pipelines - Track record of discovering novel attack vectors and creatively chaining vulnerabilities - Experience conducting adversarial simulations against well-defended environments - Strong engineering skills (Python, Go, or similar) - Ability to write clear findings that drive action - Collaborative approach with blue teams

Nice to have: - Prior work at organizations with state actor threat models - Interest in AI safety and how security engineering contributes to responsible AI developments - Background testing AI/ML systems or agentic workflows -