Senior AppSec Engineer — AI Systems & Threat Modeling

Anthropic Limited; San Francisco (CA); On-site; USD 320,000 - 485,000; Full time

Job summary

Anthropic Limited is seeking an experienced security engineer to design and operate Claude-powered security systems. You will lead threat modeling for innovative AI systems and evolve automated triage with cross-functional partners.

You will embed with Product, Infrastructure, and Research to shape secure launches, respond to incidents, and guide security on production deployments involving Claude.

Qualifications

• Hands-on application and infrastructure security experience across cloud environments.
• Production-quality coding ability in Python/Go/Rust/TypeScript with durable systems.
• Threat-modeling and vulnerability-identification skills with real-world experience.
• Autonomy and ambiguity handling with strong technical communication.

Responsibilities

• Design, build, and operate Claude-powered security systems end-to-end.
• Lead secure design reviews and threat modeling for novel AI systems.
• Advance automated triage and bug bounty workflows with automation.
• Collaborate with Product, Infrastructure, and Research as an embedded security owner.
• Share on-run duties including incident response and launch consults.

Skills

Hands-on security

Cloud & container security

Production coding (Python/Go/Rust/Type

Education

Bachelor’s degree

Tools

Claude-powered tooling

Job description

Anthropic Limited is seeking an experienced security engineer to design and operate Claude-powered security systems. You will lead threat modeling for innovative AI systems and evolve automated triage with cross-functional partners.

You will embed with Product, Infrastructure, and Research to shape secure launches, respond to incidents, and guide security on production deployments involving Claude.