Senior HPC Networking Architect: InfiniBand & Fortinet

Mirantis, Inc.; España; Remote; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Advanced AI infrastructure

NVIDIA GPUs

Kubernetes platforms

Professional growth

Job summary

Mirantis, Inc. is seeking a Senior HPC Networking Engineer to design, deploy, manage, and troubleshoot high-performance networks for HPC infrastructures. The role focuses on InfiniBand fabrics, network performance, and Fortinet security architectures.

You will work with compute, storage, and platform teams to optimize HPC workloads, lead upgrades, and contribute to documentation and on-call support. Deep expertise in InfiniBand, TCP/IP, routing, and Linux scripting is required.

Qualifications

• 5+ years of experience in network engineering, HPC or data center environments.
• Strong hands-on experience with InfiniBand technologies (e.g., Mellanox/NVIDIA).
• Solid understanding of TCP/IP, routing protocols (BGP, OSPF), VLANs, QoS.

Responsibilities

• Design, deploy, and maintain high-performance HPC networks with InfiniBand focus.
• Troubleshoot InfiniBand and Ethernet issues for minimal downtime.
• Manage InfiniBand components: switches, HCAs, subnet managers, fabric configs.
• Performance tuning, monitoring, and capacity planning for HPC networks.
• Implement and maintain security using Fortinet solutions (FortiGate, FortiManager, FortiAnalyzer).
• Diagnose routing, switching, latency, throughput in hybrid networks.
• Collaborate with compute/storage/platform teams for HPC workloads.
• Develop and maintain network architecture docs and procedures.
• Participate in on-call rotations and escalation support.
• Lead or contribute to network upgrades and new deployments.

Skills

InfiniBand

Fortinet

Networking fundamentals

Linux scripting

Performance analysis

Troubleshooting

Tools

Mellanox/NVIDIA InfiniBand

FortiGate/FortiManager/FortiAnalyzer

Ansible

Terraform

Job description

Mirantis, Inc. is seeking a Senior HPC Networking Engineer to design, deploy, manage, and troubleshoot high-performance networks for HPC infrastructures. The role focuses on InfiniBand fabrics, network performance, and Fortinet security architectures.

You will work with compute, storage, and platform teams to optimize HPC workloads, lead upgrades, and contribute to documentation and on-call support. Deep expertise in InfiniBand, TCP/IP, routing, and Linux scripting is required.