Optical Network Engineer - DWDM & Subsea

Hamilton Barnes ?; Singapore; On-site; SGD 70,000 - 115,000; Full time

Job summary

Hamilton Barnes in Singapore seeks an Optical Network Engineer to join a specialist operations team supporting large-scale DWDM, fibre, and optical transport infrastructure across global backbone and data centre environments.

You will work hands-on with Ciena, Infinera, and Huawei technologies, troubleshooting complex optical, dark fibre, and subsea connectivity while maintaining availability and performance of hyperscale infrastructure.

Qualifications

• Experience in Optical Network Operations or large-scale networks.
• Hands-on DWDM and optical transport troubleshooting.
• Experience with Ciena, Infinera, or Huawei equipment.
• Strong fibre and signal performance knowledge.
• Proven incident management and documentation skills.

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

Skills

DWDM technologies

Optical transport networks

Ciena

Infinera

Huawei

Fibre infrastructure

Wavelengths

Optical power levels

Dark fibre troubleshooting

Incident management

Communication skills

Documentation

Job description

Hamilton Barnes in Singapore seeks an Optical Network Engineer to join a specialist operations team supporting large-scale DWDM, fibre, and optical transport infrastructure across global backbone and data centre environments.

You will work hands-on with Ciena, Infinera, and Huawei technologies, troubleshooting complex optical, dark fibre, and subsea connectivity while maintaining availability and performance of hyperscale infrastructure.