Job Title: Senior IT Engineer

Department: Network Engineering Location:Zhong Shan Mall, Singapore

Job Summary:

We are seeking a highly skilled and experienced Senior IT Engineer to join our Network Engineering team.

This role is critical to the design, deployment, and maintenance of our core infrastructure, including SD-WAN, DWDM, IP Transit, Datacenter Interconnect, and BGP routing.

The ideal candidate will possess deep technical expertise in IP networking and optical transport technologies, and will play a key role in ensuring the performance, reliability, and scalability of our Telco-grade network services.

Key Responsibilities:

Network Design & Implementation

• Design and implement DWDM-based optical transport networks for datacenter interconnect (preferred).
• Architect and deploy SD-WAN solutions for enterprise and carrier-grade clients.
• Configure and optimize IP Transit, BGP routing policies, and peering strategies.
• Configure routers, maintain switches, firewalls, VPNs across multi vendor platforms.
• Ensure network scalability, redundancy, and high availability.

Operations & Maintenance

• Serve as a Technical point of contact for clients, providing consultations, solutions design and post deployment support.
• Prepare and present technical documentations, network diagrams and change management plans.
• Monitor network health and performance using NMS tools
• Troubleshoot and resolve complex L1–L3 network issues.
• Perform firmware upgrades, configuration backups, and preventive maintenance.
• Maintain accurate and up-to-date documentation of network topology and configurations.
• Provide support during after-hours, weekends, and public holidays when required.

Security & Compliance

• Implement network security measures including ACLs and firewalls
• Ensure compliance with internal policies and industry standards.
• Conduct regular network audits and vulnerability assessments (preferred).
• Ensure all deployments comply with SLAs, QoS, and security standards
• Maintain accurate documentations of network architecture, configurations and SOPs

Collaboration & Leadership

• Work closely with NOC, SOC, and datacenter operations teams.
• Mentor junior engineers and provide technical escalation support.
• Coordinate with vendors and service providers for hardware/software support and procurement.

Project Management

• Lead network infrastructure projects from planning to execution.
• Prepare technical proposals, cost estimates, and implementation plans.
• Provide regular updates to management on project milestones, risks, and outcomes.

Required Qualifications:

• Bachelor’s Degree in Computer Science, Telecommunications or related field.
• Minimum 5 years of experience in network engineering, preferably in Telco/ISP environments.
• Strong hands-on experience with:
• SD-WAN technologies
• DWDM knowledge preferred
• IP Transit, BGP routing, and network peering
• Certifications such as CCNPor equivalent are highly desirable.

Cross-Border Coordination

• Work closely with regional/global teams to support cross-border service delivery and international network integration.
• Coordinate with data center providers, telco carriers, and third-party vendors for provisioning and troubleshooting

Preferred Skills:

• Strong analytical, troubleshooting, and documentation skills.
• Possess own transport (preferred).
• Willingness to travel for short business trips occasionally.
• Must speak and read mandarin proficiently to communicate with our SOC/NOC
• Must be Singaporean or PR