• 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