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