Sandbox Systems Engineer – Secure AI Compute

Xai; Greater London; On-site; GBP 107,000 - 262,000; Full time

Benefits offered by this job

Equity

Healthcare

Dental

Cash plan

Income protection

Life insurance

Discounts

Job summary

SpaceXSI in London is hiring a Software Engineer for the Sandbox Service to maintain a secure, scalable environment for model execution and tool interaction. You will work on containers, virtual machines, and large-scale job orchestration to ensure reliable code execution and safe experimentation.

The role requires experience with Rust, C++, or Go, plus containerisation and virtualization. Familiarity with Python and Linux/Windows systems is preferred, with equity and healthcare included in the

Qualifications

• Experience with Rust, C++, or Go.
• Solid knowledge of the networking stack.
• Familiarity with Python.
• Deep experience with either Linux or Windows systems.

Responsibilities

• Maintain a secure, scalable Sandbox service infrastructure.
• Manage containers and virtual machines for model execution.
• Support integration of tools and applications with user interfaces.

Skills

Rust

C++

Go

Tools

cgroups

KVM

gVisor

QEMU

Job description

SpaceXSI in London is hiring a Software Engineer for the Sandbox Service to maintain a secure, scalable environment for model execution and tool interaction. You will work on containers, virtual machines, and large-scale job orchestration to ensure reliable code execution and safe experimentation.

The role requires experience with Rust, C++, or Go, plus containerisation and virtualization. Familiarity with Python and Linux/Windows systems is preferred, with equity and healthcare included in the