about 2 hours ago
Base Salary
$182k - $242k/yr
Responsibilities
- 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.
- Improve Linux kernel and hypervisor performance through optimization of scheduling, memory management, I/O, NUMA locality, and virtualization primitives.
- Debug complex interactions across Linux, KVM, GPU drivers, firmware, and Kubernetes.
- Develop observability and debugging tooling using eBPF, perf, tracepoints, and kernel tracing infrastructure.
- Improve container and VM startup performance, resource isolation, and runtime efficiency for latency-sensitive AI workloads.
- Extend virtualization infrastructure supporting virtio devices, IOMMU, SR-IOV, mediated devices, nested virtualization, and hardware passthrough.
- Profile production systems and build performance analysis tooling to identify bottlenecks across various components.
- Collaborate with security, platform, networking, and GPU infrastructure teams.
Requirements
- 5+ years of experience in building production systems software, platform infrastructure, virtualization, or Linux-based distributed systems.
- Strong knowledge of Linux systems, including namespaces, cgroups, scheduling, memory management, and networking.
- Experience with virtualization technologies such as KVM, QEMU, VFIO, and Kata Containers.
- Experience building or operating Kubernetes platforms and container runtimes at scale.
- Strong programming skills in Go, Rust, C/C++, or a combination thereof.
- Comfortable debugging production failures across hardware, operating systems, and distributed infrastructure.
- Experience profiling and optimizing system performance using tools like perf and eBPF.
Benefits
- 100% paid medical, dental, and vision insurance.
- Company-paid life insurance and voluntary supplemental life insurance.
- Short and long-term disability insurance.
- Flexible Spending Account and Health Savings Account.
- Tuition reimbursement and participation in Employee Stock Purchase Program (ESPP).
- Mental wellness benefits and family-forming support.
- Paid parental leave and flexible childcare support.
- 401(k) with a generous employer match.
- Flexible PTO and catered lunch each day.
- Casual work environment and innovative work culture.