Principal/Staff HPC Network Engineer

We’re building the company which will de‑risk the largest infrastructure build‑out in history. When people finance GPU clusters, the datacenters housing them, and the infrastructure powering them, they need "offtake" - meaning someone has signed a contract to lease the cluster for a period of time before its even built. Financing a GPU cluster is inherently risky, since margins are thin and volumes are huge. Lenders don’t want to take on the risk that cluster developers can’t repay their loan, and cluster developers really don’t want to risk not selling their cluster. As a result, risk is offloaded to the customer using fixed‑price long‑term contracts. If you don’t mitigate this customer risk, there’s a bubble. This isn’t SaaS anymore - application layer companies sign multi‑year contracts for computer and inference, but sell to customers on monthly subscriptions. If you mess up a purchase, it’s game over: a minor shift in your revenue growth rate might mean the difference between profit or bankruptcy. But what if companies could exit their contract by selling it back to the market? Otherwise, as AI scales, compute only becomes available to folks who can effectively take on that risk. A 2‑person startup in a San Francisco Victorian can’t realistically sign a 5‑year take or pay contract on $100m supercomputers. But they may be able to buy the month of liquidity that someone else sold back. So that’s what we make: a liquid market for GPU offtake. About the Role GPU clusters are some of the most performant computers on the planet. Even smaller clusters by today’s standards would have ranked in the TOP500 five years ago. Our infrastructure team is responsible for architecting and deploying new clusters around the world and keeping them running smoothly. You’ll participate in on‑call rotation, fix issues when they arise, and lean into automation to enable deployments at scale. We’re a small but ambitious team so you’ll be an early contributor helping to shape culture, mentor junior engineers, and learn from our customers. About You You will have 10+ years of experience with hands‑on management or architecture with network for at least one GPU cluster in the past (ideally a cluster with >1k GPU’s but not required) You deeply understand the fundamentals of Ethernet (RoCEv2) and/or InfiniBand networks in CLOS/fat‑tree topologies You have built HPC network architectures (eBGP, fat‑tree, VXLAN, MCLAG, etc.) The idea of implementing zero‑touch provisioning for a large multi‑layer network excites you (you embrace automation) You appreciate, value and generate good documentation You have the ability and willingness to mentor junior engineers You’re open to coming in to our San Francisco office 3‑4 days per week Some Nice to Haves You understand data center concepts including power, cooling and how to engage with colo providers You have experience with Linux systems administration including managing kernel drivers and tuning the network stack You have experience with Linux virtualization (KVM, QEMU, libvirt, etc.) You’ve had exposure to containers and Kubernetes operators Benefits Generous equity grant Team members are offered a competitive salary along with equity in the company Visa Sponsorships Yes, we sponsor visas and work permits Retirement matching We match 401(k) plans up to 4% Medical, dental & vision We offer competitive medical, dental, vision insurance for employees and dependents and cover 100% of premiums Time off We offer unlimited paid time off as well as 10+ observed holidays Parental leave We offer biological, adoptive, and foster parents paid time off to spend quality time with family Daily lunch We cover lunch daily for employees Unlimited office book budget You can buy as many books for the office as you want The San Francisco Compute Company is committed to maintaining a workplace free from discrimination and harassment. We make employment decisions based on business needs, job requirements, and individual qualifications, without regard to race, color, religion, belief, national origin, social or ethical origin, age, physical, mental, or sensory disability, sexual orientation, gender identity or expression, marital status, civil union or domestic partnership status, past or present military service, HIV status, family medical history or genetic information, family or parental status including pregnancy, or any other status protected by law. We welcome the opportunity to consider qualified applicants with prior arrest or conviction records. Our commitment to diversity includes hiring talented individuals regardless of their criminal history, in accordance with local, state, and federal laws, including San Francisco’s Fair Chance Ordinance and California’s ban‑the‑box laws. If you require reasonable accommodation for any reason, please reach out to us at View email address on click.appcast.io #J-18808-Ljbffr The San Francisco Compute Company