Security Engineer, Offensive Security

Anthropic · San Francisco, CA | New York City, NY · Security · listed September 9, 2026

The shape of it

Seniority
Senior
Experience asked
5+ years
Where
Hybrid
Stated pay
$300,000 – $320,000 USD
Requirements listed
7
Length
920 words

In the posting’s own words

The Security Engineering team's mission is to safeguard our AI systems and maintain the trust of our users and society at large. Whether we're developing critical security infrastructure, building secure development practices, or partnering with our research and product teams, we are committed to operating as a world-class security organization and keeping the safety and trust of our users at the forefront of everything we do.

What it asks for · 7

  • 5+ years of hands-on experience in 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 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

Also a plus

  • 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
  • Familiarity with detection engineering and SIEM/EDR platforms from the defensive side
  • Experience with data center security or hardware-based attacks

What the job covers

  • 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.

Tools and skills named

Security & compliance
  • Security12×
Cloud & infra
  • AWS
  • Azure
  • CI/CD
  • GCP
  • Kubernetes
  • Linux
Languages
  • Go
  • Python
Ways of working
  • Testing2×
Models & research
  • Machine learning

Words the posting leans on

  • security12×
  • engineering5×
  • attack4×
  • experience4×
  • actor2×
  • cloud2×
  • contribute2×
  • deployments2×
  • development2×
  • findings2×
  • infrastructure2×
  • organization2×
  • red2×
  • risk2×
  • safety2×
  • security engineering2×

Counted from the posting after the mission statement and the legal notices are set aside. The ones near the top are the ones a screener is looking for.

The posting, your resume, and the gaps between them. One click loads all three.

More open at Anthropic

every open role at Anthropic

How this page was made

An automated read of a public job posting, fetched September 9, 2026 and last changed by Anthropic on September 9, 2026. Every list above is pulled from the posting’s own sentences — nothing rewritten, nothing added, no judgment about the role or the company. Counts and seniority are read off the text by rule, so they can be wrong where the posting is unusual. The original is the only thing that binds. Openings close without warning; check the source before spending an evening on it.