DWDM-IP Engineer

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🕒 March 19

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Nebius Group

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

🏢 Enterprise

☁️ SaaS

AI • Enterprise • SaaS

Nebius Group is building one of the world’s leading AI infrastructure companies, focusing on providing the necessary compute, storage, and tools for developers in the AI space. Based in Europe and listed on Nasdaq, Nebius has a global presence with R&D centers across Europe, North America, and Israel. The company's primary offering is an AI-centric cloud platform designed for intensive AI workloads, complemented by various other businesses involved in generative AI development, edtech, and autonomous technology.

📋 Description

• Design, deploy, and operate DWDM-based transport networks across long-haul and metro environments • Perform wavelength provisioning, optical power tuning, and amplification design (EDFA/Raman) to ensure optimal link performance • Troubleshoot cross-layer issues spanning optical transport and IP/MPLS networks, including packet loss, latency, and signal degradation • Execute fiber characterization and fault isolation using OTDR, OSA, and BERT tools across various span distances • Work directly with production platforms (Ciena, Infinera, ADVA) for provisioning, upgrades, and incident resolution • Develop and maintain Python-based automation for optical health checks, telemetry ingestion, and inventory synchronization • Participate in network expansions and hardware deployments, including on-site support for critical rollouts and audits • Collaborate with IP engineering teams to ensure alignment between optical transport and routing layers • Drive root cause analysis and implement preventive measures to improve fleet-wide reliability and performance

🎯 Requirements

• Strong expertise in DWDM systems, including wavelength routing, optical amplification (EDFA/Raman), and dispersion management in long-haul networks • Solid understanding of IP/MPLS fundamentals, including routing protocols such as BGP, OSPF, or IS-IS, and MPLS signaling • Hands-on experience with production optical platforms such as Ciena (6500/Waveserver), Infinera, or ADVA • Proficiency in Python for automation of operational workflows and network validation tasks • Experience using optical diagnostic tools (OTDR, OSA, BERT) for fiber analysis and troubleshooting • Ability to debug packet-over-optical issues across layers with precision and speed • Willingness to travel to data center and network sites across the US/EU for deployments and audits

🏖️ Benefits

• Comprehensive health insurance (medical, dental, vision) • 401(k) plan with company contribution • Generous paid time off and sick leave • Paid parental leave • Flexible working hours • Professional development support