Principal Hpc Network Engineer

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. ### 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. ### What 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. We are a Leader for Container Management in G2 (#2 after AWS)! We are a Leader for Container Management in G2 (#2 after AWS)! [Mirantis](https://himalayas.app/companies/mirantis) is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, [Mirantis](https://himalayas.app/companies/mirantis) empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment—on-premises, in the cloud, at the edge, or in sovereign data centers. As enterprises navigate the growing complexity of AI-driven workloads, [Mirantis](https://himalayas.app/companies/mirantis) delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, [Mirantis](https://himalayas.app/companies/mirantis) ensures that customers retain full control of their infrastructure strategy. [Mirantis](https://himalayas.app/companies/mirantis) serves many of the world’s leading enterprises, including Adobe, DocuSign, Liberty Mutual, PayPal, Reliance Jio, Societe Generale, Splunk, and Volkswagen. Learn more at . Originally posted on [Himalayas](https://himalayas.app)