Principal Infrastructure Engineer, Agent Platform — Equity

Speedrun Talent Network; San Mateo, Northern (CA, KY); Hybrid; USD 279,000 - 345,000; Full time

Benefits offered by this job

Equity compensation

Job summary

Roblox is seeking an experienced engineer for the Agent Infra team to own design and implementation of Roblox’s core agent infrastructure, scaling it to serve internal and external customers. You will work on reliability, security, and running untrusted code in secure sandboxes, defining SLOs and observability.

You will mentor senior engineers, lead design reviews, and collaborate with Security, Engineering Efficiency, and Infrastructure to keep the agent platform aligned with organizational

Qualifications

• 8+ years building and operating backend, distributed, or infrastructure systems in production.
• Deep expertise in workflow orchestration, scalable backend infrastructure, agentic runtimes, or secure sandboxing and access.
• Production code is written in Go, Python, Rust, or similar.

Responsibilities

• Own the design and implementation of Roblox’s core agent infrastructure and scale it to serve every internal and external customer.
• Drive reliability and security: keep long-running agents alive during deploys, restarts, and outages; run untrusted code in sandboxes and control network reach; define SLOs and observability.

Skills

Backend systems

Workflow orchestration

Scalable backend infrastructure

Agentic runtimes

Secure sandboxing and access

Go

Python

Rust

High availability

Education

Bachelor's degree in CS/CE or equivalent

Tools

Kubernetes

Temporal

AWS

GitOps

Argo CD

Job description

Roblox is seeking an experienced engineer for the Agent Infra team to own design and implementation of Roblox’s core agent infrastructure, scaling it to serve internal and external customers. You will work on reliability, security, and running untrusted code in secure sandboxes, defining SLOs and observability.

You will mentor senior engineers, lead design reviews, and collaborate with Security, Engineering Efficiency, and Infrastructure to keep the agent platform aligned with organizational