{"schemaVersion":"jobsearcher.job.v1","id":"094f4207978c2bced18e4d21","url":"https://jobsearcher.com/jobs/094f4207978c2bced18e4d21","canonicalUrl":"https://jobsearcher.com/jobs/094f4207978c2bced18e4d21","title":"Infrastructure Engineer","description":"Senior AI Infrastructure Engineer – Physical InfrastructureLocation: Costa Mesa, CA | OnsiteType: Full-Time / PermanentWe’re seeking a Senior AI Infrastructure Engineer to own large-scale GPU infrastructure supporting AI training and inference.Key Responsibilities:Rack, stack, cable, and bring up H200/B200/B300/NVL72 GPU systems.Build and optimize NVLink, InfiniBand, RoCE, and Spectrum-X networks.Deploy and manage VAST, DDN, Weka, Lustre or similar high-performance storage.Manage Kubernetes, Run:AI/Ray for GPU scheduling and multi-tenancy.Automate cluster deployment, firmware/driver management, and infrastructure configuration.Monitor and troubleshoot GPU Xid, NCCL, networking, and hardware failures.Build automated fault detection, observability, and self-healing capabilities.Must Have:10+ years infrastructure/HPC/datacenter engineering experience.Hands-on large-scale NVIDIA GPU cluster experience.Strong InfiniBand/RoCE/NVLink experience.Kubernetes + GPU orchestration experience.High-performance parallel storage experience.Strong automation/IaC skills.Able to perform physical datacenter work and lift 50+ lbs.Eligible for U.S. Top Secret clearance.","company":"Calance","rawCompany":"calance","city":"Costa Mesa","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-09-19T09:06:52.883Z","occupations":[{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1241.00","title":"Computer Network Architects","slug":"computer-network-architects"}],"industries":[{"code":"518210","title":"Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services","slug":"computing-infrastructure-providers-data-processing-web-hosting-and-related-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541513","title":"Computer Facilities Management Services","slug":"computer-facilities-management-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Infrastructure Engineer","description":"Senior AI Infrastructure Engineer – Physical InfrastructureLocation: Costa Mesa, CA | OnsiteType: Full-Time / PermanentWe’re seeking a Senior AI Infrastructure Engineer to own large-scale GPU infrastructure supporting AI training and inference.Key Responsibilities:Rack, stack, cable, and bring up H200/B200/B300/NVL72 GPU systems.Build and optimize NVLink, InfiniBand, RoCE, and Spectrum-X networks.Deploy and manage VAST, DDN, Weka, Lustre or similar high-performance storage.Manage Kubernetes, Run:AI/Ray for GPU scheduling and multi-tenancy.Automate cluster deployment, firmware/driver management, and infrastructure configuration.Monitor and troubleshoot GPU Xid, NCCL, networking, and hardware failures.Build automated fault detection, observability, and self-healing capabilities.Must Have:10+ years infrastructure/HPC/datacenter engineering experience.Hands-on large-scale NVIDIA GPU cluster experience.Strong InfiniBand/RoCE/NVLink experience.Kubernetes + GPU orchestration experience.High-performance parallel storage experience.Strong automation/IaC skills.Able to perform physical datacenter work and lift 50+ lbs.Eligible for U.S. Top Secret clearance.","datePosted":"2026-09-19T09:06:52.883Z","dateModified":"2026-09-19T09:06:52.883Z","hiringOrganization":{"@type":"Organization","name":"Calance","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Costa Mesa","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"094f4207978c2bced18e4d21"},"url":"https://jobsearcher.com/jobs/094f4207978c2bced18e4d21"}}