Drimva

Character.AI

Machine Learning Infrastructure Engineer

$150K–$350K

Redwood City, CA · Hybrid · Full-time · Posted Apr 24, 2025

Experience
4+ years supporting infrastructure within an ML environment.

About the job

Supports ML research and product by building and maintaining infrastructure for training and serving machine-learning systems.

What you'll do

  • Support ML research and product infrastructure, including monitoring deployments and managing experiments.
  • Build tools to diagnose cluster issues and hardware failures.
  • Maximize GPU allocation and utilization for serving and training.

What they ask for

  • Experience supporting infrastructure in an ML environment.
  • Experience developing tools to diagnose ML infrastructure problems and failures.
  • Experience with cloud platforms (e.g., Compute Engine, Kubernetes, Cloud Storage).
  • Experience working with GPUs.

Nice to have

  • Experience with large GPU clusters and high-performance computing/networking, large language model training, ML frameworks like Pytorch/TensorFlow/JAX, or GPU kernel development.

Pay

$150K – $350K (base salary)

Tools

Compute Engine, Kubernetes, Cloud Storage, Pytorch, TensorFlow, JAX

AI focus

Supports ML research and product through infrastructure for ML training and serving.

Model-written summary · the original posting is authoritative

First seen Oct 10, 2026 · Last verified Nov 5, 2026 (UTC)