Senior HPC Networking Architect — InfiniBand & Fortinet

Meyer Entsorgung; United States; Remote; USD 150,000 - 210,000; Full time

Job summary

Doist is seeking a Senior HPC Networking Engineer to design, deploy, manage, and troubleshoot high-performance networking environments. The candidate will focus on InfiniBand fabrics and Fortinet security to ensure performance and reliability of HPC infrastructure.

The role involves collaborating with compute, storage, and platform teams to support HPC workloads, with responsibilities spanning design, deployment, tuning, and documentation. On-call rotations are expected.

Qualifications

• Expert in InfiniBand fabrics and subnet management.
• Experience with Fortinet FortiGate/FortiManager/FortiAnalyzer.
• Strong knowledge of Ethernet, routing, latency and throughput.
• Ability to design, deploy and troubleshoot HPC networks.
• Collaborates with compute and storage teams.

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.

Skills

InfiniBand

Fortinet

HPC networking

Network security

Troubleshooting

Job description

Doist is seeking a Senior HPC Networking Engineer to design, deploy, manage, and troubleshoot high-performance networking environments. The candidate will focus on InfiniBand fabrics and Fortinet security to ensure performance and reliability of HPC infrastructure.

The role involves collaborating with compute, storage, and platform teams to support HPC workloads, with responsibilities spanning design, deployment, tuning, and documentation. On-call rotations are expected.