Software Engineer, Compute Infrastructure

Quick Facts

• Role: Software Engineer, Compute Infrastructure

• Focus: Sandbox infrastructure for agent VMs and compute orchestration at large scale

Description

You will build the sandbox infrastructure that gives every agent its own VM, powering coding agents, Grok Bot, reinforcement learning, and more. The role involves developing a cloud for agents, including the virtualization layer (Firecracker and Cloud Hypervisor microVMs), control plane scaling, and the networking/connectivity layer. You will help run and evolve one of the largest sandbox cluster fleets, spanning third- and first-party data centers.

Responsibilities

• Rearchitect the control plane and scheduler to support 1 million concurrent VMs per cluster

• Build a ublk block device that can dedupe, lazy load, and efficiently snapshot VM data

• Design an egress proxy and network isolation to securely filter, monitor, and route agent traffic

• Design resilient systems that can operate across a mixture of cloud and on-premise data centers

Requirements

• Bachelor's degree in computer science, engineering, math, or scientific discipline; OR 2+ years of professional experience building software in lieu of a degree

• Onsite role: must be able to work in person at the San Francisco or New York office

Benefits

• Annual salary range: $140,000–$225,000 USD (level and base salary determined case-by-case)

• Equity

• Comprehensive medical, vision, and dental coverage

• Access to a 401(k) retirement plan

• Short & long-term disability insurance

• Life insurance

• Various other discounts and perks