# Senior Network Engineer

- Company: [Stninc](<https://jobstar.asia/company/stninc>)
- Location: Remote
- Remote: Yes
- Team: AI
- Employment type: Full Time
- Posted: June 17, 2026

## Job description

## 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 qualifications

• 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

### Preferred qualifications

• 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

## Apply

[Apply on Stninc](<https://jobs.ashbyhq.com/stninc/b4e3b0d7-fc03-4912-add6-e9ba5e6f68fd>)

Canonical job page: <https://jobstar.asia/job/senior-network-engineer-stninc-625e097efcb26353>
