Senior HPC Networking Engineer

Mirantis

Senior HPC Networking Engineer designing and troubleshooting high-performance networking environments for AI infrastructure at Mirantis. Ensuring performance, reliability, and scalability of HPC infrastructure while collaborating with cross-functional teams.

Posted 7/29/2026full-timeRemote • 🇺🇸 United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing, deploying, and maintaining high-performance network infrastructures, particularly in HPC environments, with a strong focus on InfiniBand technologies and network security solutions. Proficient in troubleshooting complex network issues and optimizing performance across hybrid network environments.

Highest-signal resume keywords

InfiniBand TechnologiesFortinet SolutionsNetwork Performance AnalysisTCP/IP Networking FundamentalsLinux Scripting

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Network EngineeringHPC EnvironmentsInfiniBand FabricsRouting ProtocolsVLANsQoSNetwork DesignPerformance TuningCapacity PlanningTroubleshooting

Soft Skills

Analytical SkillsProblem-Solving Skills

Tools & Technologies

FortiGateFortiManagerFortiAnalyzerMellanox/NVIDIABashPython

Industry Keywords

Data CenterNetwork SecurityHybrid Network EnvironmentsCluster OperationsNetwork Documentation

Tech Stack

Tools & technologies

LinuxPythonSwitchingTCP/IP

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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

Benefits

Comp & perks

Opportunity to work on cutting-edge HPC infrastructure
Collaborative and innovative work environment
Competitive salary and benefits package
Professional development and training
Attend conferences and working groups
Company outings, happy hours, hackathons, and tech talks
Receive a competitive compensation package with a strong benefits plan