4 hours ago
Base Salary
$32k - $485k/yr
Responsibilities
- Build cryptographic frameworks, mTLS infrastructure, secure serialization, authorization systems, and other security foundations.
- Partner with product, research, infrastructure, and security teams to integrate frameworks with lower-layer security controls.
- Design, build, operate, and maintain security services and libraries from threat modeling through production and adoption.
- Build and operate a zero-trust access gateway for Anthropic’s internal services.
- Design and roll out authorization frameworks that enforce least privilege consistently.
- Own cryptographic frameworks and libraries.
- Mentor engineers, contribute to hiring, and help grow the security engineering culture.
Requirements
- At least 8 years of software engineering experience building security-relevant production systems and independently leading complex initiatives.
- Strong programming skills in Go, Rust, or Python.
- Deep understanding of OAuth 2.0, OIDC, JWTs, service-to-service authentication, and policy-based access control.
- Hands-on experience with PKI, X.509, mTLS, and workload identity.
- Working knowledge of applied cryptography, including primitive selection and composition, key management, and library failure modes.
- Experience shipping and operating highly reliable Kubernetes services across cloud and on-premises environments, including on-call support.
- Ability to resolve ambiguous technical problems across teams with clear ownership and communication.
- Strong developer-experience orientation, clear communication across organizational levels, and interest in AI safety.
- Preferred: experience building and driving adoption of organization-wide security frameworks or libraries.
- Preferred: experience with zero-trust or BeyondCorp-style access gateways, identity-aware proxies, large-scale mTLS migrations, open-source cryptographic libraries, and policy-language or relationship-based authorization systems.
- Preferred: familiarity with ML infrastructure, including training and inference serving.
- Bachelor’s degree in a relevant field or an equivalent combination of education, training, and/or experience.
Benefits
- Annual salary range of $32,000—$485,000 USD.
- Visa sponsorship is offered, with reasonable efforts made after an offer and support from an immigration lawyer.
- Hybrid policy requiring staff to work from an office at least 25% of the time, with some roles requiring more office time.
- Competitive benefits, optional equity donation matching, generous vacation and parental leave, flexible working hours, and office collaboration space.
Tech Stack
Categories
About Anthropic
Anthropic builds large language models and the Claude AI assistant for developers and enterprises, offered via API access and enterprise plans. Founded in 2021 and headquartered in San Francisco, it distributes Claude through its own platform and via partners such as Amazon Bedrock and Google Cloud’s Vertex AI. Its work emphasizes model reliability, interpretability, and practical tooling for tasks like coding assistance, analysis, and customer support automation.