Senior Software Security Engineer – AI Safety & Trust

Anthropic Limited; San Francisco (CA); Hybrid; USD 405,000 - 485,000; Full time

Benefits offered by this job

Competitive compensation

Equity donation matching

Generous vacation and parental leave

Flexible working hours

Office space in San Francisco

Job summary

Anthropic Limited's Security Engineering team protects our AI systems and builds cryptographic foundations for model weights and training data. You will own areas across identity, supply chain security, and cloud controls while mentoring engineers and guiding architectural decisions in a greenfield-style environment.

The role emphasizes leading complex initiatives, designing end-to-end security systems, and collaborating with product, research, and infrastructure teams to ensure secure software

Qualifications

• 8+ years of software engineering experience with deep security expertise, including leading complex security initiatives independently.
• Bachelor's degree in Computer Science or equivalent industry experience.
• Strong programming skills in Python or at least one systems language such as Go, Rust, or C/C++.
• Deep understanding of identity systems, cryptographic primitives, and secrets management.
• Working knowledge of Kubernetes security primitives including RBAC, namespaces, network policies, and service accounts.
• Experience leading cross-functional security initiatives and navigating complex organizational dynamics.
• Outstanding communication skills, translating technical concepts effectively across all levels of the organization.
• A track record of bringing clarity and ownership to ambiguous technical problems and driving them to resolution.
• Low ego and high empathy, with a history of growing the engineers around you and supporting diverse, inclusive teams.
• Passion for AI safety and the role security engineering plays in building trustworthy AI systems.

Responsibilities

• Scope, design, and build complex security systems end to end, maintaining them through production and driving through ambiguous technical challenges with minimal oversight.
• Identify systematic risks through threat modeling and risk assessment, then build the controls and infrastructure that address them.
• Mentor engineers across the security team and broader engineering organization, contribute to hiring, and grow security engineering culture at Anthropic.
• Enable other teams to build their own security solutions by providing design pattern guidance and expanding security ownership beyond the security team.

Skills

Security architecture

Python

Go/Rust/C/C++

Identity systems

Cryptography

Kubernetes security

Security leadership

Communication

Ambiguity handling

AI safety

Education

Bachelor's degree in Computer Science or equivalent

Tools

Kubernetes

SPIFFE/SPIRE

mTLS

Job description

Anthropic Limited's Security Engineering team protects our AI systems and builds cryptographic foundations for model weights and training data. You will own areas across identity, supply chain security, and cloud controls while mentoring engineers and guiding architectural decisions in a greenfield-style environment.

The role emphasizes leading complex initiatives, designing end-to-end security systems, and collaborating with product, research, and infrastructure teams to ensure secure software