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Member of Technical Staff — Cluster Infrastructure & Supercomputing

RadixArk· Member of Technical Staff
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Palo Alto, CA$200k - $400kfull-timePosted 5mo ago

About the role

Architect and scale core compute platform for frontier-level AI training and inference by designing and operating high-performance GPU/TPU clusters, building scheduling and resource management systems, and optimizing large-scale distributed infrastructure for AI workloads.

Responsibilities

  • Architect and scale large AI compute clusters for training and inference
  • Design cluster management, scheduling, and resource allocation systems
  • Optimize performance, utilization, and reliability of GPU/TPU clusters
  • Improve fault tolerance and system resilience at scale
  • Drive observability, monitoring, and performance profiling for cluster infrastructure
  • Collaborate with ML and systems engineers to support frontier AI workloads
  • Lead capacity planning and infrastructure scaling strategies
  • Build internal platforms and tooling to improve developer productivity
  • Document architecture, operational practices, and reliability strategies
  • Contribute to long-term platform vision and technical direction

Qualifications

  • 5+ years of experience in distributed systems, infrastructure, or large-scale compute platforms
  • Strong background in distributed systems design and systems architecture
  • Deep experience with cluster management systems (Kubernetes, Slurm, Ray, or custom schedulers)
  • Hands-on experience with GPU/TPU infrastructure in production environments
  • Strong Linux systems and networking fundamentals
  • Proficiency in Go, Rust, C++, or Python for production systems
  • Experience debugging complex multi-layer issues across hardware, OS, networking, and distributed services
  • Proven ability to design reliable, scalable systems in production

Skills

Required:Distributed systems designCluster managementGPU/TPU infrastructureLinux networkingProgramming languages
Last updated Aug 18, 2026. Interested? Apply on the company site.
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About RadixArk

SHIP AI FOR ALL

RadixArk is an infrastructure-first, deep-tech company building large-scale inference and training systems for the entire AI community.

AI systemsMilesSGLangbessemer-ai-infrastructure-2026inferenceinference-inflection-pointinfrastructureopen infrastructure
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