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Mirantis

Principal HPC Network Engineer

Mirantis

Senior HPC Network Engineer for Mirantis, designing high-performance network infrastructures focused on AI and data-intensive applications. Requires expertise in InfiniBand and Fortinet technologies.

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

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

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 AnalysisHPC NetworkingAutomation and Infrastructure as Code

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Network EngineeringTCP/IPRouting ProtocolsVLANsQoSPerformance TuningLinux SystemsScripting (Bash, Python)RDMAMPI
Soft Skills
Analytical SkillsProblem-Solving Skills
Tools & Technologies
FortiGateFortiManagerFortiAnalyzerAnsibleTerraform
Certifications & Qualifications
FCSSFCNSPCCNPCCIE
Industry Keywords
HPCData CenterNetwork SecurityLow-Latency NetworkingAI/ML Infrastructure

Tech Stack

Tools & technologies
AnsibleLinuxPythonSwitchingTCP/IPTerraform

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.
  • Preferred: Experience with large-scale HPC clusters or AI/ML infrastructure.
  • Knowledge of RDMA, MPI, and low-latency networking concepts.
  • Certifications such as FCSS/FCNSP (Fortinet), CCNP/CCIE, or equivalent.
  • Experience with automation and Infrastructure as Code tools (e.g., Ansible, Terraform).

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.