Senior Network Architect for Global HPC Data Centers

Together AI; Netherlands; On-site; EUR 90,000 - 130,000; Full time

Job summary

Together AI is seeking a Senior Network Engineer to design, implement, and maintain our high-performance compute network infrastructure across global data centers. You will apply networking principles, automation, and best practices to ensure connectivity, reliability, and scalability for user-facing services and production systems.

With 8+ years in large-scale hybrid data center networks, you will work across Cisco/Arista/Juniper/Mellanox gear, design for multi-tenant environments, and

Qualifications

• 8+ years of professional experience building, managing, and supporting large-scale hybrid data center networks.
• High level of proficiency with TCP/IP networking, including BGP, OSPF, VXLAN, EVPN, and QoS.
• Experience developing network automation pipelines using Python, Ansible, or other infrastructure automation tools.
• Proficient with Wireshark, tcpdump, nmap, MTR, and curl for diagnosing connectivity and latency issues.
• Experience designing and supporting multi-tenant networks.
• Hands-on experience deploying and supporting devices from Cisco, Arista, Juniper, and Mellanox.
• Experience working with cloud networks such as AWS, GCP, and Azure.
• Solid Linux experience; must have RoCE or Infiniband real-work experience.

Responsibilities

• Design, deploy, manage and maintain global multi-vendor, multi-protocol HPC networks.
• Analyze data to diagnose network issues and minimize downtime.
• Evaluate and recommend network technologies, hardware, and software solutions.
• Participate in design reviews to align architecture with business needs, optimizing performance and reliability.
• Manage relationships with external vendors and test hardware/software selections.
• Develop and deploy systems and tools to keep networks running reliably and efficiently.
• Establish best practices and contribute to scalable network solutions.
• Ensure IT governance standards are followed and lead projects addressing complex challenges.

Skills

Networking strategy

Network design

Problem solving

Tools

Python

Ansible

Wireshark

tcpdump

nmap

MTR

curl

Docker

Kubernetes

Slurm

Cisco

Arista

Juniper

Mellanox

AWS

GCP

Azure

Linux

RoCE

Infiniband

Job description

Together AI is seeking a Senior Network Engineer to design, implement, and maintain our high-performance compute network infrastructure across global data centers. You will apply networking principles, automation, and best practices to ensure connectivity, reliability, and scalability for user-facing services and production systems.

With 8+ years in large-scale hybrid data center networks, you will work across Cisco/Arista/Juniper/Mellanox gear, design for multi-tenant environments, and