Senior HPC Network Engineer | InfiniBand & Fortinet Expert

Mirantis; United States; On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Competitive compensation package

Professional development and training

Attend conferences and working groups

Company outings, hackathons, and tech:

Job summary

Mirantis is seeking a Senior HPC Networking Engineer to design, deploy, manage, and troubleshoot high-performance networks for HPC environments, with emphasis on InfiniBand fabrics. You will ensure performance, reliability, and scalable architectures across data centers and cloud-like deployments.

The role requires hands-on expertise with InfiniBand, Fortinet solutions, and strong Linux scripting skills. You will collaborate with compute, storage, and platform teams and contribute to

Qualifications

• 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.

Responsibilities

• Design, deploy, and maintain high-performance network infrastructures for HPC environments, with a 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

Linux scripting

TCP/IP

Routing (BGP/OSPF)

VLANs

QoS

Bash

Python

Networking fundamentals

Tools

Mellanox NICs

Fortinet FortiGate

Job description

Mirantis is seeking a Senior HPC Networking Engineer to design, deploy, manage, and troubleshoot high-performance networks for HPC environments, with emphasis on InfiniBand fabrics. You will ensure performance, reliability, and scalable architectures across data centers and cloud-like deployments.

The role requires hands-on expertise with InfiniBand, Fortinet solutions, and strong Linux scripting skills. You will collaborate with compute, storage, and platform teams and contribute to