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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Back-End Network Engineer - AI Infrastructure Operations - **Company:** NSCALE, LLC - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Salary:** $150,000.0 - $215,000.0 - **Contract:** Permanent contract - **Skills:** LTE (Telecommunication), Artificial Intelligence, Computing Platforms, Border Gateway Protocol, Computer Clusters, Complex Networks, Network Congestion, Data Centers, Software Debugging, Distributed Computing Environment, Firmware, Monitoring of Systems, InfiniBand, Network Architecture, Routing, Open Shortest Path First (OSPF), Remote Direct Memory Access, Reliability Engineering, AI Infrastructure, Computer Network Operations, High Performance Computing, Backend - **Published:** June 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=2ffa7898a9097ee0 ## About the Role Do you have experience in Telecommunications network troubleshooting?, 10+ years of experience in network engineering, with deep focus on HPC, AI, or hyperscale data centre networking 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 centre routing and control planes (BGP, OSPF, ECMP) Proven ability to debug and resolve cross-layer issues spanning hardware, firmware, kernel, and application communication libraries Demonstrated ability to lead complex technical initiatives across teams without direct authority * A systems-level mindset, balancing performance, reliability, scalability, and operational cost, Extensive experience with NVIDIA/Mellanox networking platforms in production AI or HPC environments Deep familiarity with distributed training frameworks and GPU communication patterns Experience designing network observability systems for high-cardinality, high-throughput environments * Prior experience influencing platform or infrastructure strategy at scale ## Description The Network Operations and Engineering teams at Nscale operate some of the most demanding networking environments in the industry, supporting tightly coupled GPU clusters where network performance directly impacts customer outcomes. We're looking for a Principal Network Engineer - AI Infrastructure to provide technical leadership across Nscale's high-speed networking domain. This role is focused on owning the reliability, scalability, and long-term evolution of our Infiniband and RDMA-based network fabrics. You will operate as a technical authority, influencing architecture, standards, and operational practices across teams while tackling the most complex network challenges in the platform. What You'll Be Doing Owning the technical direction and operational strategy for Nscale's AI interconnect networks Designing, reviewing, and evolving large-scale Infiniband and RoCE fabric architectures to support future growth and workload demands Acting as the senior escalation point for the most complex network incidents, guiding deep technical investigations and systemic fixes Driving cross-team initiatives to improve fabric reliability, performance predictability, and operational maturity Defining standards for hardware configuration, congestion control, routing, firmware lifecycle management, and change safety Partnering with SRE, Compute Platform, and Network Architecture teams to influence end-to-end system design Mentoring senior and mid-level network engineers, raising the bar for operational rigor and technical excellence * Driving measurable improvements in uptime, latency consistency, capacity efficiency, and incident reduction ## Related Videos - [The Gashlycrumb Tinies of AI Networking You Must Know (or Languish!)](https://www.wearedevelopers.com/videos/2067-the-gashlycrumb-tinies-of-ai-networking-you-must-know-or-languish) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Building the Nervous System of AI - Michael Kagan (NVIDIA)](https://www.wearedevelopers.com/videos/2133-building-the-nervous-system-of-ai-michael-kagan-nvidia) ## Related Articles - [Best US AI Conferences for CTOs in 2026: Build vs. Buy, Vendor Evaluation, and Peer Intelligence](https://www.wearedevelopers.com/magazine/736-best-us-ai-conferences-for-ctos-in-2026-build-vs-buy-vendor-evaluation-and-peer-intelligence) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [Graph and AI Trends 2026: Why Is AI Running but Not Yet Delivering?](https://www.wearedevelopers.com/magazine/680-graph-and-ai-trends-2026-why-is-ai-running-but-not-yet-delivering) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development)