To ensure the performance and reliability of high-performance computing (HPC) infrastructure, the full-time remote Principal HPC Network Engineer will design, deploy, manage, and troubleshoot high-performance networking environments, focusing on InfiniBand technologies and Fortinet solutions. Key responsibilities Design, deploy, and maintain high-performance network infrastructures for HPC environments, emphasizing InfiniBand fabrics Troubleshoot complex network issues across InfiniBand and Ethernet environments to ensure optimal performance Manage and optimize InfiniBand components, including switches and fabric configurations, while performing capacity planning and performance tuning Required qualifications 5+ years of experience in network engineering, particularly 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 and routing protocols Proven experience deploying and troubleshooting Fortinet solutions (FortiGate, FortiManager) Familiarity with Linux systems and scripting for automation (e.g., Bash, Python)