Senior Software Engineer – Cluster Networking

🕒 September 15

🏄 California, Colorado, +3 more states – Remote

🏄 California – Remote ⛰️ Colorado – Remote 🌲 North Carolina – Remote 🍂 Massachusetts – Remote 🤠 Texas – Remote

💵 $184k - $356.5k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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👻 Ghost score 17%

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NVIDIA

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1993

🏥 Healthcare

🏭 Manufacturing

🤖 Artificial Intelligence

Healthcare • Manufacturing • Artificial Intelligence

NVIDIA is a leading technology company specializing in accelerated computing and artificial intelligence. NVIDIA pioneers advancements in graphical processing units (GPUs), cloud computing, data centers, and virtual reality, with a focus on gaming, automotive, healthcare, and robotics industries. The company's innovations, such as NVIDIA Omniverse, transform traditional digital processes by enabling high-fidelity simulations and rendering tasks. Their applications span various industries, from autonomous vehicles using NVIDIA DRIVE to healthcare solutions with NVIDIA Clara, and AI-driven analytics and workflows.

📋 Description

• Own and evolve the Kubernetes networking architecture for GPU clusters running at multi-thousand-node scale • Design, operate and scale the overlay network - CNI, mesh and VPN topologies (Tailscale, WireGuard), and the gateways that connect control and data planes • Design, operate and scale the L7 gateways/load balancers/tunnels (Envoy, Cloudflare) • Find and eliminate scale ceilings including packet loss under load, control-plane saturation, IP address management exhaustion, and large-scale failure modes • Build scale-test environments and validation suites to catch networking regressions before production training runs • Diagnose ambiguous problems across the stack, tracing symptoms in Slurm or training jobs to network root causes • Partner with cloud and neocloud providers on network topology, requirements and capabilities for new clusters • Provide senior technical judgment to a distributed team in the Cluster Networking domain

🎯 Requirements

• BS/MS in Computer Science, Electrical Engineering or a related field, or equivalent experience • 6+ years of professional experience in systems, network or infrastructure software engineering • Deep command of Kubernetes networking architecture and CNI standards, with production experience operating Calico strongly preferred • Proficiency designing and maintaining modern mesh and VPN networking topologies - Tailscale, WireGuard or equivalent • Strong Linux networking fundamentals: routing, netfilter and iptables/nftables, packet marking, network namespaces, and how these interact with container runtimes • Demonstrated ability to debug distributed network problems at scale - packet capture, tracing, and correlating behaviour across many hosts to find a single root cause • Proficiency in Go, Python, C or a comparable systems language • Clear written and verbal communication, and the ability to work effectively with engineers across multiple time zones • Direct experience architecting and operating massive-scale Kubernetes topologies across thousands of concurrent nodes • Experience with high-performance fabrics in AI or HPC environments - InfiniBand, RoCE, or RDMA over converged networks • Upstream contributions to Calico, Cilium, Tailscale, or Kubernetes networking SIGs • Experience operating networking across multiple public clouds and on-premises environments simultaneously • Familiarity with Slurm or other HPC schedulers running on Kubernetes

🏖️ Benefits

• Equity • Benefits

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