Principal HPC Network Engineer

This is a fully remote position, open to applicants in Europe.

📋 Description

• Design, implement, and sustain high-performance network infrastructures specifically for HPC environments, emphasizing InfiniBand fabrics.

• Diagnose intricate network issues within InfiniBand and Ethernet settings to ensure minimal downtime and peak performance.

• Oversee and enhance InfiniBand components, including switches, HCAs, subnet managers, and fabric setups.

• Conduct performance tuning, monitoring, and capacity planning for HPC networking systems.

• Establish and uphold network security measures utilizing Fortinet solutions (FortiGate, FortiManager, FortiAnalyzer).

• Identify and resolve issues concerning routing, switching, latency, and throughput in hybrid network environments.

• Collaborate with compute, storage, and platform teams to support HPC workloads and cluster operations.

• Create and maintain comprehensive documentation for network architecture, configurations, and operational processes.

• Participate in on-call rotations and provide escalation support for critical incidents.

• Lead or assist in network upgrades, migrations, and new deployments.

⛳️ Requirements

• Over 5 years of experience in network engineering, particularly in HPC or data center settings.

• Strong practical experience with InfiniBand technologies (e.g., Mellanox/NVIDIA).

• Comprehensive understanding of networking essentials: TCP/IP, routing protocols (BGP, OSPF), VLANs, QoS, and network design.

• Demonstrated experience in deploying and troubleshooting Fortinet solutions (FortiGate, FortiManager, VPNs, firewall policies).

• Proficient with network performance analysis and troubleshooting tools.

• Familiarity with Linux systems and scripting for automation (e.g., Bash, Python).

• Strong analytical and problem-solving abilities.

• Preferred: Experience with large-scale HPC clusters or AI/ML infrastructure.

• Knowledge of RDMA, MPI, and low-latency networking concepts.

• Relevant certifications such as FCSS/FCNSP (Fortinet), CCNP/CCIE, or equivalent.

• Experience with automation and Infrastructure as Code tools (e.g., Ansible, Terraform).

🏝️ Benefits

• Operate within some of the most advanced AI infrastructure environments currently in production.

• Engage with cutting-edge NVIDIA GPU technologies, Kubernetes platforms, and high-performance networking environments.

• Contribute to defining operational standards and reliability practices for next-generation AI infrastructure services.

• Influence the adoption of AI-powered operational capabilities through k0rdent AI.

• Collaborate with highly skilled engineers to tackle complex infrastructure and platform challenges at scale.

• Join a growing organization that is heavily investing in AI infrastructure, platform services, and operational innovation.