DWDM-IP Engineer
Location
United States
Posted
75 days ago
Salary
$125K - $180K / year
Seniority
Senior
Job Description
DWDM-IP Engineer
Nebius Group
• 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
Job 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
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