Technician & Senior Technician - DWDM & SDH

The DWDM & SDH Technician is responsible for the installation, configuration, maintenance, and troubleshooting of optical transmission networks, including DWDM (Dense Wavelength Division Multiplexing) and SDH (Synchronous Digital Hierarchy) systems. The role ensures high network availability, performance, and reliability. Required Skills & Knowledge • Strong understanding of: • DWDM technology (MUX/DEMUX, OTN, ROADM basics) • SDH hierarchy (STM-1, STM-4, STM-16, etc.) • Experience with optical tools (OTDR, power meter, fusion splicer) • Knowledge of alarm monitoring systems and NMS/EMS tools • Basic understanding of IP networking is a plus • Ability to read fiber diagrams and network schematics Qualifications • Diploma or Bachelor’s degree in Telecommunications, Electronics, or related field • Relevant certifications (preferred but not mandatory): • Optical Networking / Transmission certifications • Vendor-specific (Huawei, Nokia, Cisco, etc. Key Words • DWDM, SDH, OTN, MSTP, STM-1 / STM-4 / STM-16 / STM-64, Fiber Optics, OTDR, Optical Transmission, Huawei OSN, Nokia 1830, NEC PASOLINK, NMS / EMS