Principal HPC Network Engineer

Mirantis

HPC Network Engineer responsible for high-performance networking infrastructures in AI environments. Requires experience with InfiniBand technologies and Fortinet solutions in a fast-paced setting.

Posted 7/24/2026full-timeRemote • 🇪🇺 Anywhere in EuropeLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing, deploying, and maintaining high-performance network infrastructures, particularly in HPC environments, with a strong focus on InfiniBand technologies and network security solutions. Proficient in troubleshooting complex network issues and optimizing performance across hybrid network environments.

Highest-signal resume keywords

InfiniBand TechnologiesFortinet SolutionsNetwork Performance AnalysisTCP/IP Networking FundamentalsLinux Scripting

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Network EngineeringHPC EnvironmentsPerformance TuningCapacity PlanningRouting ProtocolsVLANsQoSNetwork DesignTroubleshootingDocumentation

Soft Skills

Analytical SkillsProblem-Solving Skills

Tools & Technologies

FortiGateFortiManagerFortiAnalyzerMellanox/NVIDIABashPython

Industry Keywords

Data CenterNetwork SecurityHybrid NetworkCluster OperationsOn-Call Support

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

Operate some of the most advanced AI infrastructure environments in production today.
Work with the latest NVIDIA GPU technologies, Kubernetes platforms, and high-performance networking environments.
Help define operational standards and reliability practices for next-generation AI infrastructure services.
Influence the adoption of AI-powered operational capabilities through k0rdent AI.
Work alongside highly skilled engineers solving complex infrastructure and platform challenges at scale.
Join a growing organisation investing heavily in AI infrastructure, platform services, and operational innovation.