Principal HPC Network Engineer (remote in the US)

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…