Senior HPC Networking Engineer

USA
July 23, 2026
Full Time Remote
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Job Description

A leading Kubernetes-native AI infrastructure company is hiring a Senior HPC Networking Engineer to support the design, deployment, and optimization of high-performance networking environments. This role is ideal for experienced network engineers with expertise in InfiniBand technologies, Fortinet solutions, and large-scale HPC or AI infrastructure. The successful candidate will help ensure secure, reliable, and high-performing network operations for data-intensive workloads.

Location: Remote, USA
Employment Type: Full-time

Key Responsibilities

  • Design, deploy, and maintain high-performance networking infrastructure with a strong focus on InfiniBand fabrics.
  • Troubleshoot complex networking issues across InfiniBand and Ethernet environments to maintain optimal system performance.
  • Configure, manage, and optimize InfiniBand switches, subnet managers, HCAs, and fabric components.
  • Implement and manage Fortinet security solutions, including FortiGate firewalls, FortiManager, and FortiAnalyzer.
  • Monitor network performance, perform capacity planning, and optimize latency and throughput.
  • Collaborate with compute, storage, and platform engineering teams to support HPC cluster operations.
  • Create and maintain network architecture documentation, configurations, and operational procedures.
  • Participate in network upgrades, infrastructure migrations, and on-call support for critical incidents.

Requirements

  • Minimum of 5 years of experience in network engineering, preferably within HPC or data center environments.
  • Strong hands-on experience with InfiniBand technologies such as Mellanox/NVIDIA.
  • Solid understanding of TCP/IP networking, BGP, OSPF, VLANs, QoS, and enterprise network design.
  • Experience deploying, configuring, and troubleshooting Fortinet solutions, including FortiGate firewalls, VPNs, and firewall policies.
  • Proficiency with network performance monitoring and troubleshooting tools.
  • Familiarity with Linux operating systems and scripting languages such as Bash or Python.
  • Strong analytical, troubleshooting, and problem-solving abilities.
  • Excellent communication and collaboration skills.

Preferred Qualifications

  • Experience supporting large-scale HPC clusters or AI/ML infrastructure.
  • Knowledge of RDMA, MPI, and low-latency networking technologies.
  • Industry certifications such as FCSS, FCNSP, CCNP, CCIE, or equivalent.
  • Experience with automation and Infrastructure as Code tools such as Ansible or Terraform.

Benefits

  • Opportunity to work with advanced HPC and AI infrastructure technologies.
  • Innovative and collaborative engineering environment.
  • Competitive salary and comprehensive employee benefits package.

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