Senior HPC Network Engineer – GPU Clusters & InfiniBand

Sesterce; Paris; On-site; EUR 90,000 - 120,000; Full time

Job summary

Sesterce designs and runs AI campuses in Europe, delivering GPU clusters with custom networks. You will design compute and storage fabrics for each cluster and ensure hardware readiness so deployments never stall.

You will operate, monitor and tune fabrics in production to keep high-performance systems running smoothly. We seek an engineer with 7+ years in data center networking for large GPU/HPC environments, hands-on InfiniBand and high-performance Ethernet, plus automation skills in Python or

Qualifications

• 7+ years in data center networking on large GPU or HPC clusters.
• Hands-on InfiniBand and high-performance Ethernet.
• Automation skills (Python, Ansible or similar).

Responsibilities

• Design the compute and storage fabrics of each cluster.
• Specify and order network equipment early enough that it never blocks a deployment.
• Operate, monitor and tune the fabrics in production.

Skills

Data center networking

GPU HPC clusters

Automation skills

Tools

InfiniBand

High-performance Ethernet

Python

Ansible

Job description

Sesterce designs and runs AI campuses in Europe, delivering GPU clusters with custom networks. You will design compute and storage fabrics for each cluster and ensure hardware readiness so deployments never stall.

You will operate, monitor and tune fabrics in production to keep high-performance systems running smoothly. We seek an engineer with 7+ years in data center networking for large GPU/HPC environments, hands-on InfiniBand and high-performance Ethernet, plus automation skills in Python or