Security Foundations Engineer: Zero-Trust & Crypto

Emploive; San Francisco (CA); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Equity donation matching

Vacation & parental leave

Flexible working hours

Office space

Job summary

Anthropic in San Francisco is hiring a Security Engineer to design, build and run security foundations used across our fleet. You will work on threat modeling, production-grade cryptographic frameworks, and authorization systems, with greenfield projects and cross-team collaboration.

You'll mentor engineers, contribute to hiring, and help scale security across research, infrastructure, and product teams, ensuring least-privilege access and robust identity solutions in a fast-growing AI safety

Qualifications

• 8+ years of software engineering experience building security-relevant systems in production
• Strong programming skills in Go, Rust or Python
• Deep understanding of authentication and authorization systems: OAuth 2.0 / OIDC, JWTs, policy-based access control
• Hands-on experience with PKI, X.509, mTLS and workload identity
• Working knowledge of applied cryptography and key management
• Experience shipping and operating high-reliability services on Kubernetes across cloud and on-prem
• Proven ability to own ambiguous technical problems and drive to resolution
• Excellent communication across all levels and a strong developer experience orientation
• Passion for AI safety and trustworthy AI systems

Responsibilities

• Build cryptographic frameworks and security services end-to-end
• Design and operate the zero-trust access gateway for internal services
• Architect and roll out authorization frameworks enforcing least privilege
• Mentor engineers and contribute to hiring in Security Engineering
• Collaborate with product, research, infrastructure and other security teams
• Drive security foundations across Anthropic's fleet

Skills

Go

Rust

Python

OAuth 2.0 / OIDC

PKI / mTLS

Kubernetes

Security foundations

Job description

Anthropic in San Francisco is hiring a Security Engineer to design, build and run security foundations used across our fleet. You will work on threat modeling, production-grade cryptographic frameworks, and authorization systems, with greenfield projects and cross-team collaboration.

You'll mentor engineers, contribute to hiring, and help scale security across research, infrastructure, and product teams, ensuring least-privilege access and robust identity solutions in a fast-growing AI safety