Atoms
Staff HPC Network Engineer
$224K–$284K
San Francisco, CA +1 · Staff · Full-time · Posted Jun 26, 2026
- Location
- San Francisco, CA
San Francisco, California, United States
About the job
Designs and operates the high-performance network fabric connecting GPU and CPU compute, supporting training and simulation workloads and scaling the network as the cluster grows.
What you'll do
- Design, optimize, and scale the high-performance network fabric and low-latency connectivity.
- Own capacity planning and network projects from design through deployment, including switch selection with vendors.
- Automate network operations and collaborate with infrastructure teams on operational problems.
What they ask for
- Experience designing, deploying, and scaling networks for HPC or GPU compute environments.
- Hands-on switch management across platforms such as Arista (EOS), Cisco (NX-OS), Nvidia (Cumulus), and/or SONiC.
- Capacity-planning and project-management skills.
- Packet decoding/analysis, plus knowledge of fiber optics and high-speed cabling up to 800 Gbps.
Nice to have
- Familiarity with public cloud networks (AWS, GCP, Azure) and config management (Ansible, Salt).
- Familiarity with Python, Prometheus, Grafana, ELK, and GitHub; awareness of data center power and cooling.
Pay
$224,000 - $284,000 per year (USD), base salary
Tools
Arista (EOS), Cisco (NX-OS), Nvidia (Cumulus), SONiC, tcpdump, Wireshark, AWS, GCP
Model-written summary · the original posting is authoritative