Offensive Security Engineer — AI & Cloud Threat Hunter

Anthropic Limited; San Francisco (CA); Hybrid; USD 300,000 - 320,000; Full time

Job summary

Anthropic is seeking a seasoned Security Engineer to lead red and purple team engagements, focusing on safeguarding our AI platforms across cloud, endpoints, and bare metal environments.

You will perform high‑value penetration testing, contribute to AI‑assisted security tooling, and collaborate with security and engineering teams on AI-specific threat scenarios. Strong Python/Go skills and a track record of discovering novel attack vectors are essential.

Qualifications

• 5+ years of hands-on red teaming and offensive security operations.
• Expertise in at least two areas listed (macOS security, Linux security, cloud security, Kubernetes, CI/CD).
• Proven track record of discovering novel attack vectors and chaining vulnerabilities creatively.
• Experience conducting adversarial simulations against well-defended environments.
• Strong engineering skills (Python, Go, or similar).
• Ability to write clear findings that drive action, helping teams understand risk and prioritize fixes.
• Collaborative approach, working in close collaboration with the blue team.

Responsibilities

• Conduct red and purple team engagements simulating advanced threat actors across our cloud infrastructure, endpoints and bare metal deployments.
• Penetration test specific, high value deployments.
• Contribute to AI-assisted security testing tooling and workflows.
• Work cross functionally with other security and engineering teams, particularly on AI-specific attack scenarios.
• Document and present findings to technical and executive audiences, translating attack narratives into actionable risk insights that inform security roadmaps.

Skills

Red teaming

Offensive security

Cloud security

Kubernetes

CI/CD pipelines

Python

Go

Technical writing

Collaboration

Education

Bachelor’s degree

Tools

SIEM/EDR platforms

Job description

Anthropic is seeking a seasoned Security Engineer to lead red and purple team engagements, focusing on safeguarding our AI platforms across cloud, endpoints, and bare metal environments.

You will perform high‑value penetration testing, contribute to AI‑assisted security tooling, and collaborate with security and engineering teams on AI-specific threat scenarios. Strong Python/Go skills and a track record of discovering novel attack vectors are essential.