Public summary
A leading AI infrastructure company is hiring a Principal HPC Network Engineer to design, deploy, and maintain high-performance networks focusing on InfiniBand fabrics. This role entails troubleshooting, network security implementation with Fortinet technologies, optimizing performance for HPC environments, and collaboration with various technical teams. The position offers remote work within the EU and involves working with advanced AI infrastructure and NVIDIA GPU technologies.
Location and work setup
- Location
- Berlin
- Remote status
- Remote
- German requirement signal
- No German Required Detected
- Detected job language
- English
Salary
USD 90000.00 - 105000.00 year
Responsibilities
Design, deploy, and maintain high-performance HPC network infrastructures focusing on InfiniBand fabrics. Troubleshoot network issues across InfiniBand and Ethernet environments. Manage InfiniBand components including switches, HCAs, subnet managers, and fabric configurations. Perform performance tuning, monitoring, and capacity planning. Implement and maintain network security using Fortinet solutions (FortiGate, FortiManager, FortiAnalyzer). Diagnose routing, switching, latency, and throughput issues in hybrid networks. Collaborate with compute, storage, and platform teams to support HPC workloads and cluster operations. Develop and maintain documentation for network architecture and operations. Participate in on-call rotations and provide escalation support. Lead or contribute to network upgrades, migrations, and deployments.
Qualifications
Minimum 5 years of experience in network engineering, specialized in HPC or data center environments. Strong hands-on experience with InfiniBand technologies (e.g., Mellanox/NVIDIA). Solid understanding of networking fundamentals including TCP/IP, routing protocols (BGP, OSPF), VLANs, QoS, and network design. Proven experience deploying and troubleshooting Fortinet solutions such as FortiGate and FortiManager. Skilled in network performance analysis and troubleshooting tools. Familiarity with Linux systems and scripting languages like Bash and Python. Preferred qualifications include experience with large-scale HPC clusters or AI/ML infrastructure, knowledge of RDMA, MPI, low-latency networking concepts, and certifications such as FCSS/FCNSP or CCNP/CCIE. Experience with automation tools like Ansible and Terraform is a plus. Strong communication, problem-solving, and ability to work independently.