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# Senior Network Engineer

- **Company:** STN, inc.
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Border Gateway Protocol, Computer Clusters, Configuration Management, Complex Networks, Network Congestion, Data Centers, DDoS Mitigation, InfiniBand, Virtual Private Networks (VPN), Multi-protocol Systems, Python (Programming Language), Network Monitoring, Routing, Open Shortest Path First (OSPF), Overlay Transport Virtualization, Peering, Ansible, Virtual Local Area Networks, Wide Area Networks, Amazon Virtual Private Cloud (VPC), Open Network Automation Platform, Cisco
- **Published:** June 24, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=6d0be8770c894faf

## About the Role

Do you have experience in Open Shortest Path First (OSPF) implementation?, * 7+ years in network engineering with data center or service provider experience

 * Deep expertise in InfiniBand or RoCE (RoCEv2), including congestion control and NCCL tuning
 * Strong knowledge of BGP, OSPF, MPLS, VXLAN, and EVPN
 * Hands-on experience with Arista, NVIDIA Mellanox/Spectrum, or Cisco platforms
 * CCIE, JNCIE, NCIE, or equivalent advanced certification strongly preferred, * GPU cluster networking experience at multi-thousand-GPU scale
 * SDN and automation skills (Ansible, Python, Nautobot, or Netbox)
 * Multi-site WAN and peering experience including IX participation

Familiarity with NVIDIA Cumulus, SONiC, or open networking stacks

## Description

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., * 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


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