Remote HPC Network Engineer: InfiniBand & AI Infra

Mirantis; Barcelona; On-site; EUR 60,000 - 90,000; Full time

Job summary

Mirantis is seeking a motivated HPC Network Engineer to support and grow within our infrastructure team. You will work on InfiniBand and Ethernet networks, optimize performance for AI workloads, and learn Fortinet security tools under senior engineers.

The role offers growth toward a Senior HPC Network Engineer with hands-on experience in RDMA, MPI, and large-scale clusters, plus exposure to NVIDIA GPU technologies and Kubernetes platforms.

Qualifications

• 2–4 years in networking, system engineering, or infra roles.
• Basic understanding of TCP/IP, routing, switching, VLANs.
• Familiarity with Linux systems and CLI tools.
• Exposure to data center networking or distributed systems environments.
• Willingness to develop expertise in InfiniBand and HPC networking.

Responsibilities

• Deploy, configure, and maintain InfiniBand and Ethernet network infrastructure.
• Troubleshoot connectivity, latency, and performance issues.
• Monitor network health using standard tools and identify bottlenecks.
• Work with InfiniBand switches, HCAs, and subnet managers under guidance.
• Support Fortinet solutions, VPNs, and firewall rules.

Skills

Networking fundamentals

InfiniBand

HPC networking

Fortinet and FortiGate

Scripting (Python/Bash)

Ansible

Linux

Tools

Fortinet FortiGate

Ansible

Python

Bash

Job description

Mirantis is seeking a motivated HPC Network Engineer to support and grow within our infrastructure team. You will work on InfiniBand and Ethernet networks, optimize performance for AI workloads, and learn Fortinet security tools under senior engineers.

The role offers growth toward a Senior HPC Network Engineer with hands-on experience in RDMA, MPI, and large-scale clusters, plus exposure to NVIDIA GPU technologies and Kubernetes platforms.