Senior / Principal Infrastructure Engineer - ML Platform (AI)

Location: San Mateo, California, United States; office-based roles require onsite attendance Tuesday through Thursday, with optional presence on Monday and Friday.

Salary: $278,530–$345,040 USD annual base pay.

Company

Roblox develops a platform for creating and experiencing 3D immersive digital experiences used by a global community of developers and creators.

What you will do

• Bootstrap and maintain Kubernetes and cloud infrastructure for the ML Platform serving layer, metadata store, model registry, and pipeline orchestrator.
• Define technical strategy and oversee the development of reliable, high-scale infrastructure systems.
• Develop platform tooling that improves time to production across the machine learning lifecycle.
• Build infrastructure for GPU fleet management, hybrid-cloud orchestration, and custom Kubernetes controllers and resources.
• Partner with data scientists and ML engineers to create tooling, interfaces, and visualizations for ML platform users.

Requirements

• 6+ years of professional engineering experience with system design for scalable, reliable platforms.
• Deep experience managing Kubernetes clusters at scale, including hundreds to thousands of nodes and 100k+ QPS.
• Strong Terraform and infrastructure-as-code experience across AWS, GCP, or similar cloud environments.
• Proficiency with Docker, Kubernetes, CI/CD systems, and cloud infrastructure.
• Experience with model serving, training, model CI/CD, and GPU resource management.
• Bachelor's degree in Computer Science, Computer Engineering, Data Science, or a similar technical field, or equivalent practical experience.

Culture & Benefits

• Work on infrastructure supporting hundreds of machine learning use cases and billions of inferences per day.
• Collaborate across organizations to improve the experience of internal ML platform users.
• Full-time employees are eligible for equity compensation and company benefits.
• Equal employment opportunities and reasonable accommodations are provided during the recruiting process.
• Future H-1B sponsorship may not be supported, and certain US visa categories may not be eligible for employment.