Mirantis

Senior HPC Networking Engineer

Mirantis • $120K — $150K *
US-AnywhereRemote in United States
Information Technology
5 - 7 years of experience
Today
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Job Overview by Ladders

Qualifications

  • 5+ years of network engineering experience focused on HPC or data center environments.
  • Hands-on expertise with InfiniBand technologies, especially Mellanox/NVIDIA.
  • Solid grasp of TCP/IP, routing protocols (BGP, OSPF), VLANs, QoS, and network design principles.
  • Proven experience with Fortinet solutions deployment and troubleshooting including firewalls and VPNs.
  • Experience using network performance analysis and troubleshooting tools effectively.
  • Familiarity with Linux systems and scripting (Bash, Python) for automation purposes.
  • Strong analytical skills and problem-solving capabilities.

Responsibilities

  • Design, deploy, and maintain high-performance networks for HPC environments, emphasizing InfiniBand.
  • Troubleshoot intricate network issues across InfiniBand and Ethernet to ensure performance.
  • Manage and optimize InfiniBand infrastructure components, including switches and fabric configurations.
  • Perform performance tuning and capacity planning for HPC networking systems.
  • Implement network security protocols using Fortinet solutions like FortiGate and FortiManager.
  • Diagnose and resolve complex issues related to routing and switching across hybrid networks.
  • Collaborate with teams to support HPC workloads and manage cluster operations.
  • Develop comprehensive documentation for network configurations and procedures.

Benefits

  • Opportunity to work on cutting-edge HPC infrastructure.
  • Collaborative and innovative workplace culture.
  • Attractive benefits package.
Full Job Description
Job Description

Location: US
Employment Type: Full-time

Role Overview:
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.


Qualifications

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:
  • Opportunity to work on cutting-edge HPC infrastructure.
  • Collaborative and innovative work environment.
  • Competitive salary and benefits package.

About Mirantis

Mirantis is a software company that provides cloud computing services and solutions. The company was founded in 2011 and is headquartered in Sunnyvale, California. Mirantis offers a range of cloud computing services, including OpenStack, Kubernetes, and Docker. The company's solutions are used by a variety of industries, including telecommunications, finance, and healthcare. Mirantis has over 1,000 employees and offices in the United States, Russia, Ukraine, and the United Kingdom.
Learn more about Mirantis
Size
1,000 employees
Industry
Enterprise Technology
Founded
2011
* Ladders Estimates

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