Infrastructure Engineer (TP)

Levels.fyi

4d•Hybrid

About The Position

Anthropic is seeking an experienced Infrastructure Engineer to join our Sandboxing team within the Research organization. In this role, you'll build and scale the systems that enable researchers to safely execute and experiment with AI-generated code and interactions in isolated environments. As our models become more capable, the infrastructure supporting secure execution environments becomes increasingly critical. You'll work on distributed systems that must operate reliably at significant scale while maintaining strong security boundaries. Your work will directly support Anthropic's mission to develop AI systems that are safe, beneficial, and trustworthy.

Requirements

5+ years of experience building and operating backend infrastructure at scale
Deep expertise in distributed systems design and implementation
Strong operational experience, including debugging complex production issues
Proficient with cloud platforms, particularly GCP/GCS (experience with AWS or Azure is also valuable)
Experience with containerization technologies (Docker, Kubernetes) and understand their security implications
Comfortable working with infrastructure as code and modern DevOps practices
Strong programming skills in languages such as Python, Go, or Rust
Results-oriented with a bias towards flexibility and impact
Care about the societal impacts of your work and are motivated by Anthropic's mission

Nice To Haves

Serverless architectures and functions-as-a-service platforms (Cloud Functions, Cloud Run, Lambda)
Designing and implementing secure multi-tenant systems
High-performance computing environments or ML infrastructure
Linux systems internals, including namespaces, cgroups, and seccomp
Network security and isolation techniques
Building systems that support research workflows and rapid iteration

Responsibilities

Design, build, and operate distributed backend systems that power secure sandboxed execution environments
Scale infrastructure to meet growing research and product demands while maintaining reliability and performance
Implement and maintain serverless architectures and container orchestration systems
Collaborate with research teams to understand requirements and translate them into robust infrastructure solutions
Develop monitoring, alerting, and observability systems to ensure operational excellence
Participate in on-call rotations and incident response to maintain system reliability
Contribute to infrastructure automation and tooling that improves developer productivity
Partner with security teams to ensure sandboxing infrastructure maintains appropriate isolation guarantees