Principal Network Engineer (AI Infrastructure)

Location: Houston, New York, San Francisco, or Seattle, United States

Company

GPU cloud infrastructure engineered for AI startups and enterprise customers, providing high-performance and cost-efficient computing platforms.

What you will do

• Own the technical direction and operational strategy for AI interconnect networks.
• Design, review, and evolve large-scale InfiniBand and RoCE fabric architectures.
• Lead investigations into complex network incidents and implement systemic fixes.
• Define standards for hardware configuration, congestion control, routing, firmware lifecycle management, and safe changes.
• Partner with SRE, compute platform, and network architecture teams on end-to-end system design.
• Mentor network engineers and improve uptime, latency consistency, capacity efficiency, and incident rates.

Requirements

• 10+ years of network engineering experience focused on HPC, AI, or hyperscale data center networking.
• Expert operational and architectural experience with InfiniBand and/or large-scale RoCE fabrics.
• Deep knowledge of RDMA internals, congestion management, and fabric-level failure modes.
• Strong expertise in data center routing and control planes, including BGP, OSPF, and ECMP.
• Ability to debug cross-layer issues involving hardware, firmware, kernels, and application communication libraries.
• Experience leading complex cross-team technical initiatives without direct authority.

Nice to have

• Production experience with NVIDIA/Mellanox networking platforms in AI or HPC environments.
• Familiarity with distributed training frameworks and GPU communication patterns.
• Experience designing observability systems for high-cardinality, high-throughput environments.
• Experience influencing platform or infrastructure strategy at scale.

Culture & Benefits

• Collaborative, supportive, and innovation-focused environment.
• Competitive base salary and equity package with reviews every 12 months.
• Career progression plan with opportunities to lead, challenge existing approaches, and own impact.
• Inclusive workplace with support for individual accommodation needs.