The Sandbox service team at xAI builds and maintains a secure, scalable system that provides models safe, controlled access to computational environments. This includes provisioning containers and virtual machines, orchestrating jobs, scheduling resources, fine‑tuning filesystem performance, and supporting reinforcement learning training for models.
Member of Technical Staff - Sandbox Service at xAI
On-site - London, UK
More jobs at xAISalary
GBP 107,000 - 262,000
Requirements
Skills
- Expert knowledge of Rust, C++ or Go
- Familiarity with Python
- Deep experience with Linux or Windows systems (familiarity with both is a strong plus)
- Experience with virtualisation and containerisation technologies (e.g., cgroups, KVM, gVisor, QEMU)
- Solid knowledge of the networking stack
Responsibilities
- Build and maintain a secure, scalable system that provides models safe, controlled access to computational environments
- Provision containers and virtual machines on large‑scale clusters
- Orchestrate massive jobs and schedule resources at the cluster level
- Fine‑tune filesystem performance on nodes
- Enable Grok to safely run and test code in real‑time for user queries
- Support reinforcement learning training where models interactively explore tools
Technologies
RustC++GoPythonLinuxWindowscgroupsKVMgVisorQEMUNetworking stack
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