Principal HPC Network Engineer (remote in the EU)

Role Overview:
We are seeking a highly skilled Senior HPC Networking Engineer to design deploy manage and troubleshoot high-performance networking environments. The ideal candidate will have deep expertise in InfiniBand technologies strong general networking knowledge and hands-on experience with Fortinet solutions. You will play a critical role in ensuring the performance reliability and scalability of HPC infrastructure.

Key Responsibilities:

• 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.

Qualifications :

Required:

• 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).

Soft Skills:

• Strong communication and collaboration skills.

• Ability to work independently and handle complex technical challenges.

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

Additional Information :

We offer:

• 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.

#Remote

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We are a Leader for Container Management in G2 (#2 after AWS)!

Remote Work :

Yes

Employment Type :

Full-time

Experience: years
Vacancy: 1