Principal HPC Network Engineer, Remote in the EU

Mirantis

Senior HPC Network Engineer designing and managing high-performance network infrastructures for modern AI applications. Working on network optimization and troubleshooting within HPC environments.

Posted 7/7/2026full-timeRemote • 🇪🇺 Anywhere in EuropeLead💰 $90,000 - $105,000 per yearWebsite

Tech Stack

Tools & technologies

LinuxPythonSwitchingTCP/IP

About the role

Key responsibilities & impact

Design, deploy, and maintain high-performance network infrastructures for HPC environments, with a strong focus on InfiniBand fabrics.
Troubleshoot complex network issues across InfiniBand and Ethernet environments, ensuring minimal downtime and optimal performance.
Manage and optimize InfiniBand components, including switches, HCAs, subnet managers, and fabric configurations.
Perform performance tuning, monitoring, and capacity planning for HPC networking systems.
Implement and maintain network security using Fortinet solutions (FortiGate, FortiManager, FortiAnalyzer).
Diagnose and resolve issues related to routing, switching, latency, and throughput across hybrid network environments.
Collaborate with compute, storage, and platform teams to support HPC workloads and cluster operations.
Develop and maintain documentation for network architecture, configurations, and operational procedures.
Participate in on-call rotations and provide escalation support for critical incidents.
Lead or contribute to network upgrades, migrations, and new deployments.

Requirements

What you’ll need

5+ years of experience in network engineering, with a focus on HPC or data center environments.
Strong hands-on experience with InfiniBand technologies (e.g., Mellanox/NVIDIA).
Solid understanding of networking fundamentals: TCP/IP, routing protocols (BGP, OSPF), VLANs, QoS, and network design.
Proven experience deploying and troubleshooting Fortinet solutions (FortiGate, FortiManager, VPNs, firewall policies).
Experience with network performance analysis and troubleshooting tools.
Familiarity with Linux systems and scripting for automation (e.g., Bash, Python).
Strong analytical and problem-solving skills.

Benefits

Comp & perks

Opportunity to work on cutting-edge HPC infrastructure
Collaborative and innovative work environment
Competitive salary and benefits package

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Network EngineeringHPC EnvironmentsPerformance TuningCapacity PlanningRouting ProtocolsVLANsQoSNetwork DesignTroubleshootingDocumentation

Soft Skills

Analytical SkillsProblem-Solving Skills