Crusoe21.04.2026
Senior Virtualization Validation Engineer
Полная занятостьОфис
Обязанности
- 01Design and execute large-scale validation tests across multi-node virtualized clusters to ensure linear scaling and stability of GPU workloads
- 02Validate high-speed interconnects including NVLink, Infinity Fabric, InfiniBand, and RoCE within virtualized environments to ensure low-latency, high-bandwidth communication
- 03Lead the validation of QEMU and Cloud Hypervisor with a focus on PCIe passthrough (VFIO), IOMMU, and direct device assignment for GPUs and high-speed NICs
- 04Architect and run comprehensive test suites using nccl-tests and rccl-tests (e.g., AllReduce, AllGather) to verify performance across node boundaries
- 05Validate SR-IOV and RDMA configurations to ensure that virtualized guests achieve near-bare-metal networking performance for distributed GPU tasks
- 06Develop and maintain automation frameworks in Python or Go to dynamically provision, configure, and stress-test multi-node virtualized environments
- 07Perform deep-dive analysis of performance regressions in multi-node communication, identifying root causes across the guest OS, hypervisor, and physical fabric
Требования
- 015+ YOE demonstrated ability to competently and independently perform responsibilities
- 02Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or a related technical field
- 03Proven experience with QEMU/KVM and Cloud Hypervisor in a production or research environment
- 04Deep familiarity with NVIDIA (CUDA/NCCL) and/or AMD (ROCm/RCCL) stacks in a multi-node context
- 05Strong understanding of RDMA, RoCE, and InfiniBand protocols and their implementation in virtualized systems
- 06Expert-level knowledge of Linux kernel internals, specifically PCIe topology, VFIO, and memory management (HugePages, IOMMU)
- 07Advanced proficiency in Python and/or Bash for automating complex cluster-wide test scenarios
Условия
- 01Competitive compensation and equity packages
- 02Restricted Stock Units
- 03Paid time off, paid holidays & leave of absence programs
- 04Comprehensive health, dental & vision insurance
- 05Employer contributions to HSA account
- 06Paid parental leave
- 07Paid life insurance, short-term and long-term disability
- 08Professional development & tuition reimbursement
- 09Mental health & wellness support
- 10Commuter benefits (parking & transit)
- 11Cell phone stipend
- 12401(k) Retirement plan with company match up to 4% of salary
- 13Volunteer time off
- 14Global travel insurance & emergency assistance
- 15Daily meals allowance
- 16Additional perks & programs specific to location
- 17Compensation range: $172,500 - $210,000