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Software Engineer, Sandbox Service

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ulti

Company

xAI

Location

London, England, United Kingdom

Status

Open

Posted

2025-12-18T18:51:00+00:00

xAI is hiring a member of technical staff for its Sandbox service team in London, on-site and full-time. The team builds and runs the system that gives models controlled access to containers and virtual machines: provisioning on large clusters, scheduling jobs, and tuning filesystem and network performance. Models use it to run code, drive tools and explore environments during training. The posting wants expert Rust, C++ or Go, Python familiarity, deep Linux or Windows experience, virtualisation knowledge (cgroups, KVM, gVisor, QEMU) and networking.