Mid-Senior Infrastructure Engineer - Sandboxing Team

About the Role

We are looking for a Mid-Senior Infrastructure Engineer to join our Sandboxing Team at Anthropic. This Infrastructure Engineer remote position is critical as you will help build and scale systems that enable researchers to safely execute and experiment with AI-generated code in isolated environments. Your work will directly contribute to our mission of creating reliable and beneficial AI systems.

What You'll Do

• 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.

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 (AWS or Azure experience is also valuable).
• Experience with containerization technologies (Docker, Kubernetes) and 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.

Nice to Have

• Experience with 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.

What We Offer

• Annual salary range of $300,000—$405,000 USD.
• Hybrid work policy requiring 25% office time.
• Visa sponsorship available.
• Generous vacation and parental leave.
• Flexible working hours.
• Collaborative office space in San Francisco.
• Equity donation matching.

Join us at Anthropic and be part of a team that values communication, collaboration, and the societal impacts of AI. Apply for this Infrastructure Engineer remote position today!