Principal HPC Network Engineer – remote in the EU

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

📋 Description

• Design, implement, and uphold high-performance network infrastructures for HPC environments, concentrating on InfiniBand fabrics.

• Diagnose intricate network issues across InfiniBand and Ethernet environments, ensuring minimal downtime and optimal functionality.

• 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 utilizing Fortinet solutions (FortiGate, FortiManager, FortiAnalyzer).

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

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

• Create 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

• 5+ years of experience in network engineering, particularly within HPC or data center environments.

• Strong hands-on experience with InfiniBand technologies (e.g., Mellanox/NVIDIA).

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

• Proven experience in 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 capabilities.

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

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

• Preferred: Certifications such as FCSS/FCNSP (Fortinet), CCNP/CCIE, or equivalent.

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

• Strong communication and collaboration abilities.

• Capability to work independently and tackle complex technical challenges.

• Detail-oriented with a proactive approach to problem-solving.

🏝️ 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.

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

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