Senior Network Engineer

SENIOR NETWORK ENGINEER Infrastructure operations · shared across customers Reports to: Director, Network Engineering Location: Remote (US) or Pleasanton, CA (hybrid) Department: Infrastructure & DC Operations / Network Engineering POSITION SUMMARY The Senior Network Engineer designs, deploys, and operates the high-performance networking fabric supporting GPU clusters. This includes InfiniBand and RoCE fabrics for training workloads, customer-facing connectivity, and the wide-area network that connects STN sites and customer environments. KEY RESPONSIBILITIES • Design and configure InfiniBand or RoCE fabrics optimized for GPU training and distributed inference • Configure and operate switching, routing, and customer VLAN/VRF/VPC architectures • Manage BGP peering, public IP space, anycast, and DDoS protection • Design customer connectivity including cross-connects, dedicated links, VPN, and SD-WAN • Maintain network automation, configuration management, and source-of-truth tooling • Coordinate with the NOC on network monitoring, alerting, and runbook authoring • Troubleshoot complex network issues across layers 1 through 7 • Maintain network documentation, diagrams, and operational runbooks • Drive network capacity planning aligned to fleet growth and customer commitments • Support security and compliance audits including SOC 2 and customer security reviews REQUIRED QUALIFIC...