Platform Architect - HPC, Kubernetes

We are seeking a Platform Architect to support a customer that develops and manages several HPC clusters across AWS, CoreWeave, GCP and other providers, operating several thousand GPUs today and scaling 10x. This role is Kubernetes-heavy and requires strong software engineering skills, operating multi-cloud platform infrastructure where misconfigurations or failed upgrades cost thousands of GPU-hours. Responsibilities Operate Kubernetes platforms (EKS, CKS, GKE) at significant scale, including cluster lifecycle, node pool management, networking policy, and stability during rapid growth Provision HPC infrastructure through CI/CD across AWS, CoreWeave, GCP and OCI, with more providers coming Management of job scheduling to allocate GPU compute across training and inference workloads Definition and maintenance of SLIs/SLOs, build monitoring and alerting, and participation in incident response and post-incident reviews Development of tooling and automation in production-quality code Coordination daily with the Networking, Storage, Security and AI/ML platform teams Requirements 7+ years of experience in infrastructure engineering, cloud platforms or HPC Expertise in Kubernetes at meaningful scale, including node pool sizing, scheduler debugging, CNI troubleshooting, and rolling upgrades across large fleets Proficiency in Python for production-grade tools, not only scripts Proficiency in Terraform for writing and reviewing infrastructure as code daily Working knowledge of AWS (EC2, S3, EFS, FSx for Lustre) English proficiency at B2 level or higher Nice to have Familiarity with Amazon Elastic Kubernetes Service, Google Kubernetes Engine, Google Cloud Platform Background in High-performance computing (HPC), Slurm, Lustre, Amazon FSx Skills in Go, Rust, C++ Familiarity with CI/CD