Staff Security Engineer — Secure Frameworks & Foundations

Alex Loftus; New York (NY); Hybrid; USD 180,000 - 240,000; Full time

Job summary

Anthropic is hiring a Staff + Software Security Engineer for Secure Frameworks to design and operate critical security foundations spanning cryptography, identity, and access controls. You will work with product, research, and infrastructure teams to integrate secure frameworks and maintain them in production.

The role emphasizes greenfield development, ownership, and mentoring engineers while advancing security in a rapidly growing AI safety-focused company.

Qualifications

• 8+ years of software engineering experience building security‑relevant systems in production.

Responsibilities

• Design, build and run security foundations used across Anthropic's fleet from threat model through production.

Skills

Go

Rust

Python

Security engineering

Kubernetes

OAuth 2.0 / OIDC

PKI / X.509

Job description

Anthropic is hiring a Staff + Software Security Engineer for Secure Frameworks to design and operate critical security foundations spanning cryptography, identity, and access controls. You will work with product, research, and infrastructure teams to integrate secure frameworks and maintain them in production.

The role emphasizes greenfield development, ownership, and mentoring engineers while advancing security in a rapidly growing AI safety-focused company.