Offensive Security Engineer – Red Team & Cloud

About the role

Anthropic is seeking an experienced Offensive Security Engineer to join its Security Engineering team. You will help protect cutting‑edge AI systems by simulating advanced threat actors and developing AI‑assisted testing tools.

Key responsibilities

• Conduct red and purple team engagements across cloud infrastructure, endpoints, and bare‑metal deployments.
• Perform penetration testing on high‑value, mission‑critical deployments.
• Build and improve AI‑assisted security testing tooling and workflows.
• Collaborate with security, engineering, and product teams on AI‑specific attack scenarios.
• Document and present findings to technical and executive audiences, translating attack narratives into actionable risk insights.

Required profile

• 5+ years of hands‑on red‑team or offensive security experience.
• Deep expertise in at least two of: macOS security, Linux security, cloud security (GCP/AWS/Azure), Kubernetes, CI/CD pipelines.
• Proven track record of discovering novel attack vectors and chaining vulnerabilities.
• Experience running adversarial simulations against well‑defended environments.
• Strong engineering background with Python or Go.
• Ability to write clear, actionable findings and work closely with blue‑team counterparts.

Required skills

• Python
• Go
• macOS security
• Linux security
• GCP
• AWS
• Azure
• Kubernetes
• CI/CD pipelines
• Red teaming
• Purple teaming
• Penetration testing

What we offer

• Competitive annual salary ranging from $300,000 to $320,000 USD.
• Opportunity to work on security challenges at the forefront of AI safety.
• Collaborative environment with world‑class researchers and engineers.