# Senior Network Engineer

**Company:** [Together AI](https://hotfix.jobs/companies/together-ai)
**Location:** San Francisco, CA, Amsterdam, Netherlands
**Role:** DevOps / SRE
**Experience:** 8+ years
**Skills:** TCP/IP, BGP, Ospf, Vxlan, Evpn, Ecmp, Qos, Vrfs, Vlans, Python, Ansible, Kubernetes, Rdma, Roce, InfiniBand
**Posted:** 2026-09-03

> Designs, operates, and troubleshoots large-scale multi-vendor networks supporting high-performance AI compute infrastructure. Requires 8+ years of production networking experience, deep routing expertise, automation skills, and hands-on RoCE or InfiniBand experience.

## Job Description

## Responsibilities
- Design, deploy, operate, and maintain global, multi-vendor, multi-protocol networks supporting high-performance AI compute infrastructure.
- Troubleshoot complex network and application-connectivity issues, identify root causes, and drive problems through resolution.
- Analyze telemetry, packet captures, logs, and performance data to identify network degradation, congestion, packet loss, and capacity constraints.
- Participate in architecture and design reviews for performance, availability, scalability, security, and operational supportability.
- Develop and maintain automation, validation, and operational tooling to improve network reliability and reduce manual effort.
- Evaluate network hardware, software, optics, and emerging technologies for production use.
- Establish standards and operational best practices for network design, deployment, monitoring, change management, and incident response.
- Lead projects addressing complex technical challenges and contribute to the network engineering roadmap.
- Partner with infrastructure, systems, security, and application teams on cross-functional troubleshooting.

## Requirements
- 8+ years of professional experience designing, building, and supporting large-scale production data center, cloud, service-provider, or high-performance computing networks, excluding enterprise networks.
- Deep understanding of TCP/IP and experience with BGP, OSPF, VXLAN, EVPN, ECMP, and QoS.
- Experience with multi-tenant network environments using VRFs, VLANs, overlays, and policy-based segmentation.
- Hands-on experience deploying and troubleshooting network platforms from Arista, Cisco, Juniper, and NVIDIA.
- Strong troubleshooting skills using Wireshark, tcpdump, MTR, curl, nmap, and Linux networking utilities.
- Ability to diagnose connectivity, latency, packet-loss, routing, and performance issues across network, host, and application layers.
- Experience developing or maintaining network automation using Python, Ansible, or similar tools.
- Experience with Git-based software development workflows, including code review, validation, testing, CI/CD, deployment, and rollback.
- Working knowledge of Kubernetes networking, including pods, services, CNIs, and connectivity troubleshooting.
- Foundational knowledge of RDMA networking, including RoCE or InfiniBand.
- Experience with cloud networking in AWS, GCP, or Azure.
- Strong Linux administration and troubleshooting skills.
- Hands-on experience deploying or operating RoCE and/or InfiniBand fabrics.
- Experience supporting GPU clusters, HPC environments, distributed storage, or other high-bandwidth, latency-sensitive workloads.
- Understanding of AI training and inference traffic patterns.
- Experience operating networks spanning thousands of devices, multiple data centers, and geographic regions.
- Familiarity with AI-assisted engineering tools and safely validating and deploying AI-generated automation or code.

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