Senior Network Engineer

Nebius is seeking a Senior Network Engineer to design, build, and operate large-scale, high-performance data center networks for GPU-dense AI workloads. The role involves end-to-end ownership of service provider-grade and CLOS-based network infrastructure, ensuring reliability, scalability, and predictable performance across distributed environments.

Candidates must have expert-level knowledge (CCIE/JNCIE or equivalent) in MPLS, routing, and switching for service provider and data center networks. Strong experience with Ethernet switching, VXLAN, and modern cloud overlay networking is required. Deep expertise in routing protocols including BGP and IS-IS, hands-on experience with segment routing (SR-MPLS, SRv6), L3 MPLS VPNs, and ECMP-based traffic balancing is essential.