# Machine Learning Infrastructure Engineer - Company: [Character]() - Location: Redwood City, CA - Remote: Yes - Team: Technical Staff - ML - Employment type: Full Time - Salary: $150K – $350K - Posted: April 24, 2025 ## Job description # **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](http://Character.AI) empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit [Character.AI](http://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 adventure*s.* 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.* ## Apply [Apply on Character]() Canonical job page: