Principal HPC Network Engineer (remote in the US
Fort Worth, Tarrant County, Texas, 76102, USA
Listed on 2026-08-03
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IT/Tech
Systems Engineer, Cloud Computing: Infrastructure & Operations, Network Engineer, Cybersecurity
Principal HPC Network Engineer (remote in the US)
- Full-time
Mirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment—on-premises, in the cloud, at the edge, or in sovereign data centers.
As enterprises navigate the growing complexity of AI-driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy.
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 Infini Band 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 Infini Band fabrics.
- Troubleshoot complex network issues across Infini Band and Ethernet environments, ensuring minimal downtime and optimal performance.
- Manage and optimize Infini Band 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 (Forti Gate, Forti Manager, Forti Analyzer).
- 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.
- 5+ years of experience in network engineering, with a focus on HPC or data center environments.
- Strong hands-on experience with Infini Band 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 (Forti Gate, Forti Manager, 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.
- 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).
- Strong communication and collaboration skills.
- Ability to work independently and handle complex technical challenges.
- Detail-oriented with a proactive approach to problem-solving.
- Work with an established Silicon Valley leader in the cloud infrastructure industry;
- Work with exceptionally passionate, talented and engaging colleagues, helping Fortune 500 and Global 2000 customers implement next-generation cloud technologies;
- Be a part of cutting-edge, open-source innovation;
- Thrive in the high-energy environment of a young company where openness, collaboration, risk-taking, and continuous growth are valued;
- 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.
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