Perplexity AI
Perplexity AI

Member of Technical Staff (AI Infrastructure Engineer)

Full-timeSan Francisco · LondonAI Research & SystemsAI Research & Systems4mo ago

Job Overview

We are looking for an AI Infra engineer to join our growing team. We work with Kubernetes, Slurm, Python, C++, PyTorch, and primarily on AWS. As an AI Infrastructure Engineer, you will be partnering closely with our Inference and Research teams to build, deploy, and optimize our large-scale AI training and inference clusters

Responsibilities • Design, deploy, and maintain scalable Kubernetes clusters for AI model inference and training workloads

  • Manage and optimize Slurm-based HPC environments for distributed training of large language models
  • Develop robust APIs and orchestration systems for both training pipelines and inference services
  • Implement resource scheduling and job management systems across heterogeneous compute environments
  • Benchmark system performance, diagnose bottlenecks, and implement improvements across both training and inference infrastructure
  • Build monitoring, alerting, and observability solutions tailored to ML workloads running on Kubernetes and Slurm
  • Respond swiftly to system outages and collaborate across teams to maintain high uptime for critical training runs and inference services
  • Optimize cluster utilization and implement autoscalin

Core Requirements

AI Research & SystemsAI Research & Systems