Principal/Staff HPC Network Engineer (AI)

Location: San Francisco, CA, United States; expected to work from the San Francisco office 3–4 days per week.

Salary: $250K–$325K annually, plus equity.

Company

San Francisco Compute builds data centers and supercomputers and leases GPU infrastructure through a compute-market model that enables customers to sublease capacity.

What you will do

• Architect and deploy new GPU clusters and their high-performance network infrastructure around the world.
• Keep GPU cluster infrastructure running reliably and resolve operational issues.
• Participate in an on-call rotation.
• Automate deployments at scale, including zero-touch provisioning for large multi-layer networks.
• Document systems and technical decisions.
• Mentor junior engineers and contribute as an early member of the infrastructure team.

Requirements

• 10+ years of experience with hands-on network management or architecture.
• Hands-on management or architecture experience with the network of at least one GPU cluster; experience with clusters larger than 1,000 GPUs is ideal but not required.
• Deep understanding of Ethernet, including RoCEv2, and/or InfiniBand networks in CLOS/fat-tree topologies.
• Experience building HPC network architectures with technologies such as eBGP, fat-tree, VXLAN, and MCLAG.
• Strong interest in implementing zero-touch provisioning and embracing automation.
• Ability to value and produce good documentation.
• Ability and willingness to mentor junior engineers.
• Willingness to work from the San Francisco office 3–4 days per week.

Nice to have

• Understanding of data center power and cooling and experience engaging with colocation providers.
• Linux systems administration experience, including kernel driver management and network stack tuning.
• Experience with Linux virtualization using KVM, QEMU, or libvirt.
• Exposure to containers and Kubernetes operators.

Culture & Benefits

• Competitive salary with a generous equity grant.
• Visa and work-permit sponsorship is available.
• 401(k) matching up to 4%.
• Medical, dental, and vision insurance for employees and dependents.
• Unlimited paid time off, 10+ observed holidays, and paid parental leave.
• Daily lunch and an unlimited office book budget.