
Job description
We are looking for a Senior Network Engineer to design, build, and operate large-scale, high-performance data center networks supporting GPU-dense AI workloads. You will take end-to-end ownership of service provider–grade and CLOS-based network infrastructure, ensuring reliability, scalability, and predictable performance across distributed environments.
Design and evolve scalable data center network architectures (CLOS/leaf-spine) for high-throughput, low-latency environments, own end-to-end deployment and lifecycle management of routing and switching infrastructure across production environments, and diagnose and resolve complex network issues across the TCP/IPv4/v6 stack in large-scale distributed environments.
This role requires deep expertise in routing, switching, and modern data center fabrics, with a strong focus on production operations, root cause analysis, and continuous improvement of network systems. You will collaborate with hardware, systems, and software teams to integrate networking with compute and storage infrastructure and automate network operations and workflows to improve reliability, scalability, and operational efficiency.
Company

Tech, Software & IT Services
Nebius provides a comprehensive AI cloud platform designed for developers and organizations building and deploying generative AI applications. We offer a full-stack infrastructure – encompassing secure, high-performance computing and cost-optimized resources – enabling efficient machine learning model training and deployment. Nebius caters to a diverse clientele, including startups, enterprises, and research institutions, empowering them to accelerate AI innovation and deliver impactful scientific breakthroughs. Our platform simplifies the complexities of AI infrastructure, allowing teams to focus on core development and maximize the value of their AI investments.
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