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OS kernel system software development engineer

USA-CA - Promontory B💼 Full-time💰 $141,300–$141,300🗓 2026-03-31 → 2026-07-30

Core

Developing the ESXi operating system kernel and hypervisor for Arm and x86 architectures to support virtualization in VMware Cloud Foundation.

Role type

Senior IC OS kernel system software development engineer

Builds

ESXi hypervisor and virtualization platform for servers

Domain

Cloud infrastructure, virtualization, computer systems architecture

Deliverable

production ML models | product features | infrastructure

Required skills

C programming, modern microprocessor architecture (multiprocessor, cache, barriers), OS kernel internals (Linux/BSD/Windows NT), computer systems I/O (PCI, ACPI, IOMMUs, DMA, UEFI), version control (git, gerrit, perforce), build systems (makefiles, shell scripts), hardware bring-up (CPU, bootloaders, chipset, SMP/NUMA, interrupt controllers), debugging and analytical skills

Preferred skills

virtualization platforms (ESXi, KVM, Hyper-V), hardware virtualization technologies, Assembly (Arm/x86/RISC), Arm Architecture (AArch64/ARMv8), kernel performance analysis and optimization

Technologies

ESXi, KVM, Hyper-V, Arm, x86, Linux, BSD, Windows NT, git, gerrit, perforce, UEFI, PCIe, ACPI, IOMMU, DMA

Responsibilities

Support Arm and x86 architecture for ESXi kernel and hypervisor, collaborate with silicon partners on new technologies, engage in research to architect future capabilities, solve customer issues, work across the full stack from bootloader to configuration scripts

Seniority

Senior, hands-on IC

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