Nebius

System engineer in cloud networking

In short

Senior system engineer role developing the control and data plane for Nebius Cloud's networking services (IPv6, VPC peering, L7 load balancers, service endpoints) at an AI cloud infrastructure company. Requires writing reliable, high-performance concurrent code in Go, reading C/C++, and familiarity with network traffic routing; experience with OVS, VPP, DPDK, SDN, BGP/MPLS is a plus. Fully remote, full-time position, at least 3 years of experience expected.

About
Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI.
Responsibilities
•Increase service scalability and reliability
•Develop the control & data plane for Nebius Cloud network services
•Develop service functionality (e.g. IPv6 support, service endpoints, VPC peering, L7 load balancers and other networking services)
•Improve the internal architecture, optimizing interaction with related services
•Debug datapath and kernel issues, including performance related issues
•Perform load testing for services
Requirements
•Capable of writing reliable, high-performance concurrent code
•Proficient in Go and able to read C/C++, or be ready to learn both
•Familiar with routing network traffic
Nice to have
•Worked with OVS, VPP, DPDK, Linux kernel network subsystem or other network dataplanes
•Well-versed in virtual networks and overlays, SDN, NFV, DPI, network protocols, routing and tunneling, BGP, and MPLS
Conditions
•Competitive compensation
•Career growth and learning opportunities
•Flexibility and ownership
•Collaborative and innovative culture
•Opportunity to work on impactful AI projects
•International environment and talented teams
•Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI

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