Anthropic
Software Engineer, Sandboxing
$320K–$485K
San Francisco, CA +3 · Full-time · Posted Oct 1, 2026
- Location
- San Francisco, CA
New York City, NY
Seattle, WA
San Francisco, California, United States - Experience
- Software engineering experience required; stated years correlate with internal job level requirements.
- Education
- Bachelor’s degree or an equivalent combination of education, training, and/or experience; relevant field of study as demonstrated through coursework, training, or professional experience.
- Visa sponsorship
- Visa sponsorship is offered, but is not available for every role and candidate; the company says it will make every reasonable effort to obtain a visa after an offer.
About the job
Build and operate secure, high-performance sandbox infrastructure for untrusted code and AI agent workloads, from Linux isolation to scalable execution and observability.
What you'll do
- Design, operate, and improve sandbox infrastructure, including startup speed, density, throughput, isolation, and reliability.
- Investigate system-level performance, reliability, and security issues; build monitoring, tracing, and debugging tools.
- Partner with research, product, platform, and security teams to support isolated execution, threat-model the platform, and harden it against abuse.
What they ask for
- Software engineering experience in Linux systems programming, kernel development, or another low-level area.
- Strong programming skills in at least one systems language such as Rust, C, C++, or Go.
- Working knowledge of virtualization or container isolation technologies and Linux resource management, including namespaces, cgroups, scheduling, and memory management.
- Experience profiling and debugging system-level performance issues.
Nice to have
- Experience with multi-tenant sandbox, serverless, or code execution platforms; microVMs or lightweight virtualization.
- Experience with OS security hardening, eBPF, Kubernetes, cloud infrastructure, network isolation, or AI-agent and reinforcement-learning sandboxes.
Pay
$320,000 — $485,000 USD (base salary)
Tools
Linux, Rust, C, C++, Go, KVM, QEMU, Firecracker
AI focus
Build sandbox infrastructure for model-generated code, AI agents, and reinforcement-learning environments, with fast, isolated, reproducible execution.
Model-written summary · the original posting is authoritative