Principal HPC Network Engineer (remote in the EU)

Stack

Responsibilities

• ▹Design, deploy, and maintain high-performance network infrastructures for HPC environments, with a focus on InfiniBand fabrics
• ▹Troubleshoot complex network issues across InfiniBand and Ethernet environments
• ▹Manage and optimize InfiniBand components (switches, HCAs, subnet managers, 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 routing, switching, latency, and throughput issues across hybrid network environments
• ▹Collaborate with compute, storage, and platform teams to support HPC workloads
• ▹Develop and maintain documentation for network architecture and operational procedures
• ▹Participate in on-call rotations and escalation support for critical incidents
• ▹Lead network upgrades, migrations, and new deployments

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, 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

Nice to have

• ▹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 (Ansible, Terraform)

Soft skills

About the company

Mirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and reliable infrastructure. It is a G2-recognized Leader in Container Management, ranked #2 after AWS.