Optical Network Engineer

Do you want to work within one of the world's largest hyperscale network environments, supporting the optical infrastructure behind a global network

We are seeking an Optical Network Engineer in Singapore to join a specialist operations team responsible for supporting large-scale DWDM, fibre, and optical transport infrastructure across global backbone and data centre environments.

You'll work hands-on with technologies including Ciena, Infinera, and Huawei, troubleshooting complex optical, dark fibre, and subsea connectivity issues while helping maintain the availability and performance of mission-critical hyperscale infrastructure.

Responsibilities

Monitor and support large-scale DWDM and optical transport infrastructure

Troubleshoot faults across DWDM systems, optical hardware, fibre infrastructure, and transport networks

Diagnose and resolve issues across Ciena, Infinera, Huawei, and similar optical platforms

Perform structured fault isolation across optical paths, circuits, wavelengths, and physical fibre infrastructure

Troubleshoot dark fibre connectivity, including fibre degradation, loss, breaks, and physical connectivity issues

Support the investigation and resolution of subsea network and connectivity issues

Perform optical troubleshooting using relevant measurements, alarms, performance data, and diagnostic tools

Support circuit provisioning, turn-up, testing, validation, and restoration activities

Troubleshoot optical components including transponders, amplifiers, ROADMs, mux/demux equipment, and line systems

Manage incidents in line with SLAs, ensuring timely resolution, escalation, and communication

Coordinate with engineering teams, fibre providers, carriers, and equipment vendors to resolve complex incidents

Maintain accurate documentation across incidents, changes, configurations, and network activities

Qualifications

Experience within an Optical Network Operations, NOC, telecom, ISP, carrier, or large-scale network environment

Strong hands-on experience with DWDM technologies and optical transport networks

Experience supporting and troubleshooting DWDM hardware and optical infrastructure

Hands-on experience with Ciena, Infinera, and/or Huawei

Strong understanding of fibre infrastructure, wavelengths, optical power levels, attenuation, and signal performance

Experience troubleshooting dark fibre and physical connectivity issues

Strong incident management, communication, and documentation skills