Machine Learning Infrastructure Engineer
At a glance
Mid-level ML Platform & Ops role at Character.AI. Redwood City · full-time · $150,000–$350,000 base.
aimlroles summary, based on the employer's posting.
What you'll do
- Support infrastructure used by ML research and product teams
- Build diagnostic tools to pinpoint cluster trouble and hardware failures
- Track deployments and experiments while providing day-to-day research support
- Improve how GPUs are allocated and used for training and serving
What you bring
- At least four years supporting infrastructure in a machine learning environment
- You have built tools for finding and diagnosing machine learning infrastructure failures
- You have worked with cloud platforms and GPUs
Who this fits
This mid-level role suits an engineer who supports machine learning research and product infrastructure. It is based in Redwood City and is hybrid.
From the employer
About the role
We’re looking for seasoned ML Infrastructure engineers with experience designing, building and maintaining training and serving infrastructure for ML research.
Responsibilities:
Provide infrastructure support to our ML research and product
Build tooling to diagnose cluster issues and hardware failures
Monitor deployments, manage experiments, and generally support our research
Maximize GPU allocation and utilization for both serving and training
Requirements:
4+ years of experience supporting the infrastructure within an ML environment
Experience in developing tools used 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
Experience with supporting large language model training
Experience with ML frameworks like Pytorch/TensorFlow/JAX
Experience with GPU kernel development
About Character.AI
Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.
In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.
Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!
At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.