Strategic open source infrastructure for containers and virtual machines.
Principal HPC Network Engineer
Location
Europe
Posted
3 days ago
Salary
$90K - $105K / year
Seniority
Lead
Job Description
Principal HPC Network Engineer
Mirantis
• 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.
Job Requirements
- 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
- 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.
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