Roblox
Senior Hardware Engineer - GPU & AI Infrastructure
$243K–$295K
San Mateo, CA, United States · Senior · Full-time · Posted Dec 12, 2025
- Experience
- 5+ years of hardware engineering experience with a focus on GPU architecture, AI accelerators, or HPC systems.
- Education
- BA/BS in Electrical Engineering, Computer Engineering, or related field with equivalent practical experience.
- Visa sponsorship
- For US-based roles, the company may not be able to employ candidates with work authorization related to certain U.S. visa categories or support future H-1B sponsorship at this time.
About the job
Leads the evaluation, qualification, integration, optimization, and fleet monitoring of GPU and AI accelerator hardware for Roblox’s rendering and machine-learning workloads.
What you'll do
- Prototype GPU server platforms and integrate compute nodes, interconnects, and firmware; optimize GPU performance, drivers, thermals, and power.
- Develop validation and stress-testing strategies, qualify firmware, and troubleshoot hardware across hardware, driver, and kernel layers.
- Build GPU monitoring and automation systems and provide technical guidance to hardware vendors.
What they ask for
- 5+ years of hardware engineering experience focused on GPU architecture, AI accelerators, or HPC systems.
- In-depth knowledge of PCIe fabric, NVLink, InfiniBand, and liquid cooling for high-TDP hardware.
- Hands-on Linux testing of CPU, memory, storage, and high-speed networking subsystems.
- Proficiency in Python, Go, or C++ and expert-level remote server debugging.
Nice to have
- NVIDIA HGX/MGX platform experience.
Pay
$243,290 — $295,250 USD (base salary)
Tools
NVIDIA HGX/MGX, NVLink, PCIe Gen5/6, BIOS/BMC, Grafana, Prometheus, Python, Go
AI focus
Supports low-latency AI inference and machine-learning workloads through GPU and AI accelerator hardware integration, validation, and optimization.
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