Senior HPC Networking Engineer
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.
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.
What does Mirantis offer you?
- 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.
We are a Leader for Container Management in G2 (#2 after AWS)!
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 Kube