Senior HPC Networking Engineer: InfiniBand & Fortinet Expert

Mirantis, Inc.; Barcelona; On-site; EUR 70,000 - 110,000; Full time

Job summary

Mirantis, Inc. is seeking a Senior HPC Networking Engineer to design, deploy, and operate high-performance network environments for AI and data-intensive workloads. The role emphasizes InfiniBand fabrics and Fortinet security to ensure performance, reliability, and scalability.

You will optimize network components, troubleshoot complex issues, and collaborate with compute, storage, and platform teams. Documentation and on-call support are part of the responsibilities.

Qualifications

• 5+ years of network engineering experience in HPC or data center environments.
• Deep expertise with InfiniBand technologies and Fortinet solutions.
• Solid understanding of TCP/IP, routing (BGP/OSPF), VLANs, QoS.

Responsibilities

• Design, deploy, and maintain HPC network infrastructures focusing on InfiniBand fabrics.
• Troubleshoot InfiniBand and Ethernet issues to minimize downtime and maximize performance.
• Manage InfiniBand components (switches, HCAs, subnet managers) and perform capacity planning.
• Perform performance tuning and monitoring of HPC networking systems.

Skills

InfiniBand

HPC Networking

Fortinet

Linux scripting

Networking fundamentals

BGP/OSPF

Tools

Fortinet FortiGate/FortiManager/FortiAnalyzer

Mellanox/NVIDIA InfiniBand

Job description

Mirantis, Inc. is seeking a Senior HPC Networking Engineer to design, deploy, and operate high-performance network environments for AI and data-intensive workloads. The role emphasizes InfiniBand fabrics and Fortinet security to ensure performance, reliability, and scalability.

You will optimize network components, troubleshoot complex issues, and collaborate with compute, storage, and platform teams. Documentation and on-call support are part of the responsibilities.