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Senior System Engineer (CloudGate)Nebius · Amsterdam, Netherlands; Remote - Europe
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Nebius

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Senior System Engineer (CloudGate)

🗓️ Posted 2026-09-01 Amsterdam, Netherlands; Remote - Europe Hybrid ICT
💰 Salary Not shared 📊 Market 6,000 EUR–9,000 EUR/mo

About the Company

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. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D.

About the Role

Our CloudGate team is responsible for the software side of external network connectivity in our Cloud. We're building a traffic delivery system for a variety of scenarios: IPv4 connectivity, Cloud Interconnect, Egress NAT, and a network load balancer. They serve tens of millions of packets per second. We have a control plane microservice architecture with gRPC transport and our own Database as our data warehouse.

Responsibilities

  • ● Increase service scalability
  • ● Developing service functionality with support for service endpoints and expansion of health check types
  • ● Improve the internal architecture, optimizing interaction with related services
  • ● Developing a data plane for Nebius Cloud network services
  • ● Improve service performance and reliability
  • ● Automate complex cross-service interaction scenarios
  • ● Perform load testing for services

Requirements

  • ● Capable of writing reliable, high-performance code
  • ● Proficient in C and ready to learn Go/C++
  • ● Familiar with routing network traffic
  • ● Worked with VPP, DPDK, and the Linux kernel network subsystem
  • ● Well-versed in virtual networks and overlays, SDN, NFV, DPI, network protocols, routing and tunneling, BGP, and MPL

Benefits

  • ● 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