Principal Software Engineer (GPU Compute)

TL;DR

Principal Software Engineer (GPU Compute): Serving as the technical anchor for GPU and AI accelerator capabilities with an accent on machine management, reliability, and performance at scale. Focus on architecting GPU host lifecycles, optimizing driver/firmware stacks, and defining automated repair strategies for large-scale production environments.

Location: Must be based in or able to work from the San Mateo, CA office (Hybrid: Tue-Thu onsite)

Company

Roblox is a global platform building immersive 3D digital experiences that connect millions of people through shared play and creation.

What you will do

• Lead GPU strategy by partnering across Kubernetes, Networking, and Cloud teams.
• Own the GPU host lifecycle, including driver/firmware management, telemetry, and remediation of hardware faults.
• Architect how GPU capacity is exposed to compute platforms via scheduling and isolation.
• Drive GPU reliability and performance at fleet scale through automated diagnosis and repair.
• Evaluate and onboard new GPU/AI accelerator platforms and networking topologies.
• Establish standards and APIs to enable other engineering teams to consume GPU compute efficiently.

Requirements

• 10+ years of experience in large-scale distributed systems and infrastructure.
• Deep, hands-on expertise in GPU host provisioning, driver lifecycles, and production reliability.
• Strong proficiency in Go or other well-structured programming languages.
• Experience operating GPU/AI workloads with CUDA, GPU scheduling, and high-performance networking.
• Must have existing United States work authorization (no H-1B sponsorship support).

Nice to have

• Familiarity with Kubernetes for GPU workloads.
• Experience with bare-metal concepts like firmware, BMC/IPMI/Redfish, and OS imaging.

Culture & Benefits

• Hybrid work model with onsite presence required Tuesday through Thursday.
• Comprehensive benefits package including health, equity compensation, and more.
• Opportunity to solve unique technical challenges at massive scale.
• Commitment to equal employment opportunity and inclusive work environment.