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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Back-End Network Engineer - AI Infrastructure Operations - **Company:** NSCALE, LLC - **Location:** Seattle, WA, United States - **Experience:** Expert - **Salary:** $100,000.0 - $165,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Data Analysis, Border Gateway Protocol, Configuration Management, Complex Networks, Network Congestion, Data Centers, Linux, Distributed Computing Environment, Middleware, Ethernet, Network Interface Controllers, Firmware, Monitoring of Systems, InfiniBand, Python (Programming Language), Machine Learning, Network Architecture, Routing, Open Shortest Path First (OSPF), Performance Tuning, Remote Direct Memory Access, Prometheus, Shell Script, Data Streaming, TCP/IP, AI Infrastructure, Computer Network Operations, High Performance Computing, Grafana, Backend - **Published:** June 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=9af81ecb1b91b17a ## About the Role Do you have experience in Tooling?, 5+ years of experience in network engineering, with at least 3 years operating HPC or large-scale AI interconnect networks Deep, hands-on operational experience with Infiniband and/or modern RoCE deployments Expert understanding of RDMA concepts, protocols, and troubleshooting techniques Strong fundamentals in data centre networking, including TCP/IP, BGP, OSPF, and leaf-spine architectures Proven ability to troubleshoot complex network issues using Linux-based tooling and fabric diagnostics Proficiency in Python, Go, or shell scripting for automation, data analysis, or configuration management * Experience working in a 24/7 operational environment with a strong focus on reliability and toil reduction Nice to Have Experience operating NVIDIA/Mellanox Spectrum switches and ConnectX NICs at scale Familiarity with AI or ML training workflows and the impact of network performance on distributed frameworks Experience with network observability and telemetry systems such as streaming telemetry, sFlow, Prometheus, or Grafana * Knowledge of GPU communication libraries such as NVIDIA NCCL ## Description Within Nscale, the Network Operations team is responsible for the performance and reliability of the high-speed interconnect fabrics that underpin our AI and HPC platforms. These networks are critical to distributed training and inference workloads and demand a deep operational focus., In this role, you will be responsible for the day-to-day health, stability, and performance of Nscale's large-scale Infiniband and RDMA over Converged Ethernet (RoCE) fabrics. You'll bring deep operational expertise from high-performance or hyperscale environments and play a key role in incident response, performance tuning, and continuous improvement of latency-sensitive AI networking systems. What You'll be Doing Owning the operational health, configuration consistency, and performance tuning of large-scale Infiniband and RoCE fabrics supporting AI and HPC workloads Leading the diagnosis and resolution of complex network incidents (P0/P1), spanning firmware, kernel drivers, switch hardware, and application or middleware layers Driving blameless postmortems and implementing preventative fixes to improve long-term fabric stability and availability Partnering with SREs to define requirements for automation and tooling, and contributing where appropriate to network provisioning, validation, and monitoring systems Collaborating with Network Architecture and Engineering teams to validate fabric designs and enforce standards for routing, congestion control, and firmware baselines Monitoring fabric utilisation and performance, identifying bottlenecks, and tuning for congestion, microbursts, and predictable latency Acting as a subject matter expert for cross-functional teams on high-speed networking, RDMA behaviour, and fabric-level performance characteristics * Participating in an on-call rotation supporting mission-critical, customer-facing infrastructure ## Related Videos - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [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) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [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) ## 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) - [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) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development)