# Principal/Staff HPC Network Engineer

**Company:** [Sfcompute](https://hotfix.jobs/companies/sfcompute)
**Location:** San Francisco, CA
**Role:** DevOps / SRE
**Salary:** $250k – $325k/yr
**Experience:** 10+ years
**Skills:** InfiniBand, Rocev2, Ethernet, Clos, Fat-Tree, Ebgp, Vxlan, Mclag, Kubernetes, Linux, Kvm, Qemu, Libvirt
**Posted:** 2026-02-25

> Designs, deploys, and maintains high-performance networks for large-scale GPU clusters in HPC environments. Requires 10+ years experience with InfiniBand/RoCEv2 in CLOS topologies, automation, and hybrid work in San Francisco.

## Job Description

## Responsibilities
- Architect and deploy new GPU clusters around the world.
- Keep clusters running smoothly, participate in on-call rotation, and fix issues.
- Lean into automation to enable deployments at scale.
- Shape team culture, mentor junior engineers, and learn from customers.

## Requirements
- 10+ years of experience with hands-on management or architecture of networks for at least one GPU cluster (ideally >1k GPUs).
- Deep understanding of Ethernet (RoCEv2) and/or InfiniBand networks in CLOS/fat-tree topologies.
- Experience building HPC network architectures (eBGP, fat-tree, VXLAN, MCLAG, etc.).
- Excitement for implementing zero-touch provisioning for large multi-layer networks.
- Strong documentation skills.
- Willingness to mentor junior engineers.
- Open to coming into San Francisco office 3-4 days per week.

## Nice to Haves
- Understanding of data center concepts including power, cooling, and colo providers.
- Linux systems administration experience, including kernel drivers and network stack tuning.
- Experience with Linux virtualization (KVM, QEMU, libvirt).
- Exposure to containers and Kubernetes operators.

## Benefits
- Competitive salary with generous equity grant.
- 401(k) matching up to 4%.
- 100% covered medical, dental, vision premiums.
- Unlimited PTO + 10+ holidays.
- Parental leave.
- Daily lunch, unlimited office book budget.
- Visa sponsorship available.

## Similar roles

- [Senior Principal Software Engineer, Infrastructure](https://hotfix.jobs/jobs/47f15e23-c6ea-492a-919e-6cb719f4ddd8) - Docker - Remote - $251k – $352k/yr
- [Principal Systems Software Engineer](https://hotfix.jobs/jobs/423c3fe7-aab5-4133-8cee-8ecfa36ad082) - Crusoe - San Francisco, CA - $260k – $340k/yr
- [Principal Production Engineer](https://hotfix.jobs/jobs/2025d56d-ab2d-4a71-a0e8-ad577d1029c6) - Crusoe - San Francisco, CA - $261k – $326k/yr
- [Principal Engineer, Compute Fleet Management](https://hotfix.jobs/jobs/ee6ebd92-809c-4ee8-a361-9e58b7593a17) - Databricks - Bellevue, WA - $264k – $322k/yr
- [Principal Infrastructure Engineer](https://hotfix.jobs/jobs/0702927c-1489-4897-83b4-9ee80a871baa) - Onebrief - Remote - $235k – $275k/yr

**Apply:** https://hotfix.jobs/jobs/fffee163-e31c-485f-9e06-3d5df6e15aa2
**Canonical:** https://hotfix.jobs/jobs/fffee163-e31c-485f-9e06-3d5df6e15aa2