Optical / Network Operations Engineer

ASTREYA ASIA PACIFIC PTE. LIMITED; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

ASTREYA ASIA PACIFIC PTE. LIMITED in Singapore is seeking a skilled Network Engineer to support OTN and DWDM networks, troubleshoot incidents, and coordinate with vendors. The role covers OTDR analysis, fiber maintenance, and cross-functional collaboration to restore services quickly.

The candidate will work with cross-functional teams to fix issues, monitor networks, and handle RMA processes. Weekend work may be required and strong communication is essential.

Qualifications

• Bachelor's degree in a related field and 2–5 years of experience or equivalent.
• Strong communication and relationship-building skills.
• Understanding of fiber-optic technology and network components.
• Experience with ROADM, coherent transponders and long-haul networks.
• Knowledge of DWDM devices and CLI commands.
• Familiarity with dark fiber and light-level testing.
• Knowledge of network protocols and OTDR testing.

Responsibilities

• Collaborate with cross-functional teams to improve service delivery and diagnose OT-related issues.
• Troubleshoot optical devices (Ciena 6500, Infinera GX40) in Hut, PoPs and Datacenters.
• Perform dark fiber maintenance and resolve OSP queries.
• Handle multiple vendor troubleshooting of software and hardware issues.
• Support incidents such as hardware failures, power outages, and fiber events.
• Coordinate with smart hands and equipment manufacturers to resolve faults.
• Work with ISPs/vendors on fixes and fiber repairs, including RMAs.
• Conduct OTDR analysis and interpret results.
• Monitor long-haul and metro networks and isolate faults promptly.
• Escalate to internal teams and manage critical events with clear communication.
• Document processes, create monitors and dashboards for continuous improvement.
• Follow RMA procedures for vendors and collaborate cross-regionally.

Skills

Strong communication

Relationship building

Cross-functional collaboration

Vendor coordination

Troubleshooting

OTDR analysis

Network monitoring

Problem solving

Education

Bachelor's degree in a related field

Tools

DWDM

ROADM

Ciena 6500

Infinera GX40

Job description

Responsibilities

• Work in conjunction with cross-functional teams to enhance service delivery and troubleshoot any OTN-related issues.


• Troubleshooting of Optical devices such as Ciena 6500 and Infinera GX40 in Hut, PoPs and Datacenter.


• Handle dark fiber maintenance and any other queries raised by OSP


• Day-to-day activities involve working on multiple vendor troubleshooting various software and hardware issues


• Support team in handling optical devices for any incidents such as hardware failure, power outage, major fiber event and etc.


• Coordinate with smart hands and optical equipment manufacturers to resolve issues and restore service.


• Work with ISP/vendors on fixing any issues related to the network, such as RMA process and fiber repair.


• Knowledgeable on performing and reading the analysis/outcome of the OTDR testing.


• Monitor Optical Long Haul and Metro networks and troubleshoot a variety of issues in a timely manner.Perform fault isolation based on the troubleshooting outcome.


• Partner with and escale to, various internal teams in pursuant of restoring service and limiting impact.Manage and elevate critical events while communicating clearly and concisely.


• Document and optimize operational processes and procedures.Contribute to the creation of monitors, alerts, dashboards and metrics to drive continuous improvements.


• Document and follow RMA processes and procedures for all relevant vendors.


• Work cross-functionally and cross-regionally with other optical and network operational support teams. Some weekend work may be required.

Required Qualifications/Skills

• Bachelor's degree (B.S/B.A) from four-college or university and 2 to 5 years' related experience and/or training; or equivalent combination of education and experience


• Builds productive internal and external working relationships.


• Understanding of fiber-optic technology including cable types, connector types, optic types, patch panels, and optical transport technologies


• Strong communication skills, including the ability to work with service providers, colocation facilities, and ISPs around the world


• Working knowledge of ROADM, coherent transponders and long-haul operation optical networks


• Understanding of Optical layer (L0/L1) traffic reliability configurations using Protection and/or Restoration schemes including pros/cons


• Knowledge on DWDM device, its component and familiar with the CLI command.


• Knowledge of Dark fiber testing and light level testing.


• Knowledge of Network and Networking protocols.