Senior Principal Network Engineer (AI Infrastructure)

TL;DR

Senior Principal Network Engineer (AI Infrastructure): Designing and evolving large-scale Infiniband and RoCE fabric architectures to support high-performance GPU clusters with an accent on reliability, scalability, and long-term evolution. Focus on solving complex network incidents, improving fabric performance predictability, and defining hardware configuration standards for AI interconnects.

Location: Must be based in the US

Company

hirify.global is a GPU cloud provider engineered for AI, offering high-performance infrastructure for AI start-ups and large enterprise customers.

What you will do

• Own the technical direction and operational strategy for AI interconnect networks.
• Design and evolve large-scale Infiniband and RoCE fabric architectures to support growth.
• Act as the senior escalation point for complex network incidents and drive systemic fixes.
• Drive cross-team initiatives to improve fabric reliability and performance predictability.
• Define standards for hardware configuration, routing, congestion control, and firmware management.
• Mentor senior and mid-level network engineers to raise operational rigor.

Requirements

• 12+ years of experience in network engineering with a focus on HPC, AI, or hyperscale data centers.
• Expert-level operational and architectural experience with Infiniband and/or large-scale RoCE fabrics.
• Deep understanding of RDMA internals, congestion management, and fabric-level failure modes.
• Strong expertise in modern data center routing and control planes (BGP, OSPF, ECMP).
• Ability to debug cross-layer issues spanning hardware, firmware, kernel, and application libraries.
• Must be based in the US

Nice to have

• Extensive experience with NVIDIA/Mellanox networking platforms in production AI/HPC environments.
• Familiarity with distributed training frameworks and GPU communication patterns.
• Experience designing network observability systems for high-throughput environments.

Culture & Benefits

• Highly competitive package including base salary and equity.
• Performance reviews conducted every 12 months.
• Flexible workplace autonomy and a human-first approach to flexibility.
• Remote-first team environment with a culture of innovation and ownership.
• Dynamic progression plan tailored to individual ambitions.