Crusoe
Staff Cloud Hypervisor Engineer, Compute
Sunnyvale, CA - US. Posted 10 days ago
The role
You will serve as the lead architect for a next-generation virtualization stack. You will design a Greenfield hypervisor environment optimized for GPUs, DPUs, and high-speed interconnects to deliver bare-metal performance for AI/ML workloads.
What you will do
- Lead the R&D and implementation of core hypervisor components.
- Develop and refine advanced hardware pass-through and abstraction techniques.
- Solve technical hurdles such as live migration for AI workloads and optimizing PCIe peer-to-peer communication.
- Conduct deep-dive bottleneck analysis across the entire stack.
- Contribute to and maintain upstream open-source virtualization projects.
- Architect robust security boundaries for AI-native cloud infrastructure.
Required qualifications
- 7+ Years of Experience in hypervisor internals, kernel development, or low-level systems programming.
- Expert-level knowledge of CPU virtualization (Intel VT-x, AMD-V) and memory virtualization (EPT/NPT, HugePages).
- Experience working with specialized AI hardware, including GPUs, InfiniBand/RoCE NICs, and SmartNICs/DPUs.
- Mastery of C and C++.
- Experience with QEMU, KVM, and Linux kernel debugging tools (perf, ftrace, eBPF).
- Deep understanding of VirtIO, vhost-user, and hardware-accelerated I/O paths.
- Experience leading complex, cross-functional projects that bridge hardware engineering and cloud control planes.
Nice to have
- Proficiency in Rust for modern systems programming
Benefits
- Competitive compensation and equity packages
- Restricted Stock Units
- Paid time off, paid holidays & leave of absence programs
- Comprehensive health, dental & vision insurance
- Employer contributions to HSA account
- Paid parental leave
- Paid life insurance, short-term and long-term disability
- Professional development & tuition reimbursement
- Mental health & wellness support
- Commuter benefits (parking & transit)
- Cell phone stipend
- 401(k) Retirement plan with company match up to 4% of salary
About the company
Crusoe is a vertically integrated AI infrastructure company that owns and operates each layer of the stack to power AI workloads. They use an energy-first approach to build AI infrastructure.