Staff Infrastructure Engineer - Virtualization

About TensorWave Our mission is simple: deliver seamless, secure, reliable, and resilient AI compute at scale. We've built a versatile cloud platform that eliminates infrastructure barriers, empowering builders to focus on innovation instead of fighting their stack. Because breakthrough AI should move at the speed of ideas, not infrastructure. About the Role We are building large-scale, high-performance infrastructure to power next-generation AI workloads. Our platform operates across multiple data centers and supports GPU-intensive environments with demanding requirements around performance, isolation, and scalability. We are looking for a Staff Infrastructure Engineer to lead the design and evolution of our virtualization platform. This role will own how we build, scale, and operate hypervisor infrastructure as we transition from traditional virtualization platforms toward a more flexible, CSP-aligned architecture based on KVM/QEMU and modern Linux primitives . This is a highly technical, hands-on role focused on solving complex systems problems at scale. What You’ll Do Design and implement a scalable virtualization platform capable of supporting high-density compute and GPU workloads Lead the evolution from existing platforms (e.g., Proxmox) toward KVM/QEMU-based architectures Define standards for VM lifecycle management (provisioning, scheduling, migration), performance isolation and resource allocation, failure domains and resilience strategies Optimize virtualization for high-performance workloads , including NUMA alignment, CPU pinning and scheduling, PCIe topology awareness, GPU passthrough and device assignment Partner closely with networking and storage teams to integrate high-throughput, networking (e.g., SR-IOV, RDMA), distributed and local storage systems Build and improve automation for hypervisor deployment and configuration, image pipelines, cluster scaling and lifecycle management Troubleshoot deep system-level performance issues across compute, memory, storage, and network layers Contribute to long-term platform architecture and infrastructure strategy Who You Are Required Qualifications 7+ years of experience in infrastructure, systems engineering, or platform engineering Deep experience with Linux-based virtualization , including: KVM/QEMU libvirt or similar tooling Strong understanding of: CPU scheduling and NUMA architectures Memory management and performance tuning Storage I/O paths and performance characteristics Experience designing and operating virtualization platforms at scale (hundreds+ hosts) Solid networking fundamentals, including: Linux networking (bridges, bonding, VLANs) High-performance networking concepts Experience with infrastructure automation (e.g., Ansible, Terraform, or similar) Strong troubleshooting skills across distributed systems Preferred Qualifications Experience in cloud or CSP environments (public or private) Familiarity with: GPU workloads and passthrough (VFIO) SR-IOV and advanced NIC features Experience integrating virtualization with: Kubernetes platforms Bare metal provisioning systems (e.g., MAAS) Exposure to distributed storage systems (e.g., Ceph, Weka, or similar) Experience working in high-performance or low-latency environments What We Offer Stock Options 100% paid Medical, Dental, and Vision insurance for Employees Company Health Savings Account Contributions 100% paid Short Term and Long Term Disability Insurance for Employees Life and Voluntary Supplemental Insurance Options Other Insurance Options, such as Pet & Legal Insurance Various Supplementary Health Benefits, such as discounted Virtual Healthcare Appointments and Serious Illness Support Flexible Spending Account 401(k) Employee Assistance Program Flexible PTO Paid Holidays Parental Leave Other In-Office Perks Equal Employment Opportunity TensorWave is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of any protected status under applicable law. Reasonable Accommodations TensorWave provides reasonable accommodations in accordance with applicable laws. If you require accommodation during the hiring process, please contact [email protected]. Employment Eligibility All offers of employment are contingent upon verification of identity and authorization to work in United States, as required by law. Background Checks Where permitted by law, employment may be contingent upon the successful completion of a job-related background check. Data Privacy Notice By submitting an application, you acknowledge that TensorWave may collect, use, and retain your personal information for recruiting and employment-related purposes in accordance with applicable data privacy laws.

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