Principal HPC Network Engineer (remote in the EU)

Mirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment—on-premises, in the cloud, at the edge, or in sovereign data centers. As enterprises navigate the growing complexity of AI-driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy.

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Mirantis serves many of the world’s leading enterprises, including Adobe, DocuSign, Liberty Mutual, PayPal, Reliance Jio, Societe Generale, Splunk, and Volkswagen. Learn more at Description

We are seeking a highly skilled Senior HPC Networking Engineer to design, deploy, manage, and troubleshoot high-performance networking environments. The ideal candidate will have deep expertise in InfiniBand technologies, strong general networking knowledge, and hands‑on experience with Fortinet solutions. You will play a critical role in ensuring the performance, reliability, and scalability of HPC infrastructure.

Key Responsibilities

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• 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.
  

Qualifications
Required

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• 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

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• 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).
  

Soft Skills

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• Strong communication and collaboration skills.
  
• Ability to work independently and handle complex technical challenges.
  
• Detail‑oriented with a proactive approach to problem‑solving.
  

Additional Information
What We Offer

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• 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.
  

We are a Leader for Container Management in G2 (#2 after AWS)!

We are a Leader for Container Management in G2 (#2 after AWS)! xcskxlj

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