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Senior Network Engineer

Nebius· Network Infrastructure
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Remote$125k - $180kfull-timePosted 7mo ago

About the role

Senior Network Engineer to design, build, and operate large-scale, high-performance data center networks supporting GPU-dense AI workloads. End-to-end ownership of service provider–grade and CLOS-based network infrastructure with a focus on reliability, scalability, and continuous improvement across distributed environments.

Responsibilities

  • 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
  • Develop and maintain network design documentation, standards, and operational procedures
  • Plan, execute, and validate network infrastructure testing, including vendor evaluation and benchmarking
  • Diagnose and resolve complex network issues across the TCP/IPv4/v6 stack in large-scale distributed environments
  • Optimize traffic engineering, ECMP, and load balancing strategies to ensure efficient utilization of network resources
  • Implement and operate MPLS-based technologies, including L3 VPNs and segment routing (SR-MPLS, SRv6)
  • Collaborate with hardware, systems, and software teams to integrate networking with compute and storage infrastructure
  • Automate network operations and workflows to improve reliability, scalability, and operational efficiency
  • Ensure high availability and performance of production networks through proactive monitoring and continuous improvement

Qualifications

  • 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 technologies
  • 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
  • Proven experience designing and documenting large-scale network architectures
  • Experience developing and executing network testing strategies and validating vendor solutions
  • Strong troubleshooting skills across the TCP/IPv4/v6 stack in CLOS-based data center environments
  • Solid understanding of network hardware architecture, QoS mechanisms, and packet processing pipelines
  • Hands-on experience with network equipment from vendors such as Juniper, Arista, Huawei, and Mellanox
  • Working proficiency in English

Skills

Required:Data center networking designRouting protocolsMPLS and SRVXLAN and cloud overlaysNetwork automation

Benefits

  • Comprehensive health insurance
  • 401(k) plan with company contribution
  • Paid time off and public holidays
  • Flexible working hours
  • Professional development and certification support
Last updated Jul 8, 2026. Interested? Apply on the company site.
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About Nebius

The ultimate cloud for AI explorers

Discover the most efficient way to build, tune and run your AI models and applications on top-notch NVIDIA® GPUs.

AI CloudToken FactoryGPUKubernetesSlurmManaged servicesTerraformAPI
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