Senior Network Operations Engineer - Optical & IP

Astreya China; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Astreya China is seeking a Network Operations Engineer III to oversee the operation, maintenance, and troubleshooting of optical and IP networks. You will work with minimal supervision to address complex issues and ensure network reliability across global services.

The role requires deep understanding of DWDM/CWDM, IPv4/IPv6, MPLS, BGP, and OSPF, plus strong communication with service providers and vendors. Independently manage deployments and resolve outages efficiently to minimize downtime.

Qualifications

• 5–8 years of related experience or training with optical and IP networks.
• Proven experience with DWDM/CWDM and IPv4/IPv6 routing with MPLS, BGP and OSPF.
• Strong root cause analysis and problem-solving abilities.

Responsibilities

• Perform network management, maintain performance and capacity of optical and IP networks.
• Troubleshoot and resolve diverse hardware and software issues with multiple vendors.
• Collaborate with global providers and internal teams to ensure network reliability.

Skills

DWDM/CWDM

IPv4/IPv6, MPLS, BGP, OSPF

Fiber-optic technology

Root cause analysis

Vendor coordination

Communication skills

Education

Bachelor’s degree in a related field

Tools

Network management tools

Vendor equipment

Job description

Astreya China is seeking a Network Operations Engineer III to oversee the operation, maintenance, and troubleshooting of optical and IP networks. You will work with minimal supervision to address complex issues and ensure network reliability across global services.

The role requires deep understanding of DWDM/CWDM, IPv4/IPv6, MPLS, BGP, and OSPF, plus strong communication with service providers and vendors. Independently manage deployments and resolve outages efficiently to minimize downtime.