Cohere is seeking a senior Data Infrastructure engineer to design, build, and run the scalable storage layer powering model training. You will operate a petabyte-scale system on Kubernetes across regions and collaborate with researchers to optimize data throughput and durability. You should be fluent in Python or Go, with solid storage fundamentals and hands-on experience with cloud object storage like S3 and POSIX filesystems. This role offers remote-friendly, hybrid work with global offices.