Senior Systems Engineer (Virtualization)

TL;DR

Senior Systems Engineer (Virtualization): Building the software stack that bridges AI workloads and bare metal with an accent on secure sandboxed runtimes, GPU sharing, and high-performance execution. Focus on optimizing Linux kernels, KVM/QEMU, and container runtimes to ensure secure and efficient execution of AI workloads at hyperscale.

Location: Livingston, NJ / New York, NY / Sunnyvale, CA / Bellevue, WA. Must be a U.S. person (citizen, lawful permanent resident, refugee, or asylee) due to export control compliance.

Salary: $182,000 – $242,000

Company

CoreWeave is a specialized cloud provider delivering a high-performance platform of technology and tools specifically designed to enable innovators to build and scale AI.

What you will do

• Design secure execution environments using containerd, runc, gVisor, Kata Containers, KubeVirt, and KVM/QEMU.
• Build GPU-aware runtime infrastructure supporting VFIO, Kata, NVIDIA GPU Operator, and PCIe passthrough for multi-tenant AI workloads.
• Optimize Linux kernel and hypervisor performance, focusing on scheduling, memory management, I/O, and NUMA locality.
• Debug complex interactions across Linux, KVM, GPU drivers, firmware, and Kubernetes.
• Develop observability and debugging tooling using eBPF, perf, tracepoints, and kernel tracing infrastructure.
• Collaborate with security, platform, and networking teams to define next-generation runtime isolation.

Requirements

• 5+ years of experience building production systems software, platform infrastructure, or virtualization.
• Deep Linux systems knowledge (namespaces, cgroups, scheduling, memory management, networking).
• Experience with virtualization technologies (KVM, QEMU, VFIO, virtio, Kata Containers, KubeVirt, Firecracker, or gVisor).
• Strong systems programming skills in Go, Rust, C/C++, or a combination.
• Experience building or operating Kubernetes platforms and container runtimes at scale.
• Must be a U.S. person to comply with U.S. Government export regulations.

Nice to have

• Linux kernel development or kernel module experience.
• Expertise in NVIDIA GPU drivers, GPU Operator, CDI, and GPU virtualization.
• Contributions to open-source projects like Linux, KVM, QEMU, Kata Containers, or Kubernetes.
• Understanding of PCIe, IOMMU, DMA, NUMA, and modern server hardware architecture.

Culture & Benefits

• 100% company-paid medical, dental, and vision insurance.
• 401(k) with generous employer match and Employee Stock Purchase Program (ESPP).
• Flexible PTO, mental wellness benefits through Spring Health, and family-forming support via Carrot.
• Daily catered lunch in office and data center locations.
• Flexible, full-service childcare support with Kinside.
• Casual work environment focused on innovative disruption.