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Senior Network Specialist (SD-WAN)
D14 Geylang, Eunos, Singapore
Permanent, Full TimeInformation TechnologyJob Description
- Handle regular preventive maintenance on the SD-WAN Platform Operations.
- Support the expansion, upgrades and rollouts of new network and systems infrastructure involving hardware such as routers, switches, firewalls, virtual appliances, VNFs, network monitoring and management systems.
- Support engineering teams on new product/ feature implementation, node deployment, and technical support matters.
- Responsible for troubleshooting and timely resolution of faults/issues within the SD-WAN platforms services.
- Analyze SD-WAN platforms performance and take proactive actions and preventive measures to monitor and enhance the network performance including software and hardware upgrades, etc.
- Prepare statistical reports on network and equipment performance.
- Analyzing financial information (e.g. revenues, expenditures and cash management) to ensure all operations are within budget.
- Presenting annual budgets to management.
- Vendor negotiation and preparation of cost analysis and justifications.
- Perform SD-WAN platforms performance analysis.
- Proactively engage Engineering teams and recommend courses of actions to prevent incidents that may be caused by performance issues.
- Archive prepared reports for future reference of job performance.
Skills for Success:
- A Bachelor’s degree Electrical / Electronic / Computer Engineering / Computer Science / Information Systems from a recognized institution.
- 8 years minimum IP network experience
- 3-5 years' experience with SD-WAN systems
- Possess expertise with routers and switches installation e.g. Cisco, Juniper, Mellanox, Dell.
- Possess expertise with Cisco SD-WAN, VMware VeloCloud SD-WAN, HPE Aruba SilverPeak SD-WAN, Fortinet SD-WAN, FortiSASE etc.
- Good understanding of Internet routing protocols and technologies including TCP/IP, BGP, MPLS/VPN.
- Knowledge of routers/switches architecture and software upgrade procedure. Good analytical and trouble-shooting skills in the area of technical fault isolation and rectification
- Knowledge of hypervisors such as eSXI, Adva, proxmox and KVM.
About Singapore Telecommunications Limited
First seen: June 15, 2026
Last updated: June 15, 2026