Principal Network Engineer

Nscaleoperationsukltd
Germany, DEOn-site

About the Role

About Nscale

Nscale is the GPU cloud engineered for AI. The Engineering team plays a critical role in designing, deploying, and operating the infrastructure and software platforms that power customers and enable AI workloads at scale.

About the Role

We are hiring a Principal Network Engineer to act as a senior technical authority for Nscale's AI-optimised network infrastructure, responsible for high-performance Ethernet fabrics, InfiniBand, RoCE, WAN connectivity, and large-scale data centre networking.

What You'll Be Doing

AI & High-Performance Network Architecture

Define, design, validate, and evolve large-scale InfiniBand, RoCE, and Ethernet fabric architectures, owning technical direction for BGP, EVPN, VXLAN, LACP, and QoS.

Network Automation & Infrastructure as Code

Lead Nscale's network automation strategy using a GitOps operating model, building Python and Ansible tooling for provisioning, configuration validation, and compliance.

Network Security & Edge Infrastructure

Design and engineer perimeter and network security infrastructure across WAN and data centre edge environments, including firewalls, NAT, VPN, and multi-tenant segmentation.

Job Overview

100% EnglishNo German required
NscaleoperationsukltdHiring Company
Sep 14, 2026Date Posted