Principal HPC Network Engineer

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

📋 Description

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

• Resolve intricate network issues across both InfiniBand and Ethernet settings, ensuring minimal downtime and peak performance.

• Oversee and enhance InfiniBand components, which include switches, HCAs, subnet managers, and fabric configurations.

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

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

• Identify and rectify issues related to routing, switching, latency, and throughput within hybrid network environments.

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

• Create and maintain documentation detailing network architecture, configurations, and operational procedures.

• Engage in on-call rotations and offer escalation support for critical incidents.

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

⛳️ Requirements

• Over 5 years of experience in network engineering, specifically in HPC or data center environments.

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

• Strong grasp of networking fundamentals, including TCP/IP, routing protocols (BGP, OSPF), VLANs, QoS, and network design.

• Proven expertise 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).

• Excellent analytical and problem-solving abilities.

• Preferred experience with large-scale HPC clusters or AI/ML infrastructures.

• 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 skills.

• Ability to work independently and tackle complex technical challenges.

• Detail-oriented with a proactive approach to resolving problems.

🏝️ Benefits

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

• Work 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 integration of AI-powered operational capabilities through k0rdent AI.

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

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