Senior GPU Compute Cluster Architect

Blue Signal Search; San Francisco (CA); On-site; USD 150,000 - 230,000; Full time

Job summary

Blue Signal Search is seeking a highly technical infrastructure expert to lead the design, deployment, and optimization of large-scale GPU computing environments in San Francisco. You will work with an experienced engineering team building from the ground up on cutting-edge AI workloads.

This role emphasizes ownership and deep technical focus, with collaboration directly with customers to tailor optimized infrastructure solutions and drive performance across the full GPU stack.

Qualifications

• Proven hands-on experience designing, deploying, and operating production-scale GPU clusters.
• Deep expertise implementing InfiniBand and/or RoCEv2 networking fabrics.
• Strong experience with CUDA and/or ROCm environments including firmware, drivers, NCCL/RCCL, and performance analysis.
• Demonstrated success supporting customer-facing production infrastructure.
• Excellent troubleshooting across compute, networking, storage, and distributed systems.
• Ability to explain complex technical concepts to engineering teams and customers.
• Preference for individual contributor role with technical excellence.

Responsibilities

• Architect and deploy high-performance GPU compute clusters for production AI workloads.
• Design, configure, and optimize InfiniBand/RoCEv2 networking environments.
• Drive performance tuning across the GPU software stack (CUDA, ROCm, NCCL/RCCL, drivers).
• Troubleshoot infrastructure, networking, and software bottlenecks in large-scale deployments.
• Develop scalable infrastructure standards, deployment methodologies, and best practices.
• Collaborate with customers to understand workload requirements and deliver optimized solutions.
• Lead technical investigations during production incidents and guide resolution.
• Create operational docs, procedures, and performance validation for future deployments.

Skills

GPU clusters

InfiniBand/RoCEv2

CUDA/ROCm

Performance analysis

Troubleshooting

Customer-facing

Distributed systems

Documentation

Job description

Blue Signal Search is seeking a highly technical infrastructure expert to lead the design, deployment, and optimization of large-scale GPU computing environments in San Francisco. You will work with an experienced engineering team building from the ground up on cutting-edge AI workloads.

This role emphasizes ownership and deep technical focus, with collaboration directly with customers to tailor optimized infrastructure solutions and drive performance across the full GPU stack.