Network Engineer (SD-WAN)

NTT Data Singapore; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

NTT Data Singapore seeks an experienced network professional to design and deliver complex, customer-focused services. The role emphasizes Versa and Cisco SD-WAN know‑how, TCP/IP mastery, and cloud connectivity across multi‑cloud environments.

Candidates should possess a degree in engineering or IT and relevant certifications. Strong troubleshooting and protocol expertise are essential in managing WAN/LAN/DNS/DHCP and related services. Singapore‑based on‑site work is expected.

Qualifications

• Ideal candidates have 10+ years in network design and delivery of tech-centric services.
• 3+ years in modern software-defined networks and cloud environments preferred.
• Diploma or bachelor in engineering/CS/IT or equivalent.

Skills

Network design

SD-WAN knowledge

Cloud networking

TCP/IP fundamentals

RFCs & protocols

Troubleshooting

Education

Diploma/Bachelor in Engineering or CS/IT

Tools

Versa SD-WAN

Cisco SD-WAN

MPLS

VxLAN

IPsec

QoS

BGP

OSPF

GRE

Infoblox

Zscaler

Akamai

Imperva

Python

Job description

• Preferably 10+ years of experience in network design and delivery of technology centric, customer-focused services.
• Preferably 3+ years in modern software-defined network and preferably, in cloud-based environments.
• Diploma or bachelors degree in engineering, Computer Science/Information Technology, or its equivalent.
• Preferably possess a valid Versa Certified Administrator - SD-WAN Specialist or Versa Certified SD-WAN Associate (VNX100).
• Preferably possess a Cisco Certified Network Professional (CCNP) certification or its equivalent.
• Must possess advanced knowledge in Versa Secure SD-WAN and Cisco SD-WAN with medium to large scale deployment and management experience. Cisco SD-WAN is a MUST.
• Must possess advanced knowledge in TCP/IP concepts and fundamentals.
• Good working knowledge in WAN, SD-WAN, LAN, SD-LAN, WLAN and NGFW technologies.
• Good understanding and working knowledge of common network RFCs, protocols, transports, and standards such as MPLS, Internet, VxLAN, IPsec, QoS, BGP, OSPF, GRE and other transport technologies and protocols that are related, but not limited to WAN and LAN.
• Good understanding of modern software-defined networks additional elements e.g., NFV, SASE, Versa Secure Access and/or Cisco Umbrella from one or more product vendors e.g., Versa, Cisco, and/or their equivalents.
• Good Cloud networking knowledge such as Direct Connect, Express Route and multi-cloud connectivity architectures from providers such as Equinix and Megaport.
• Fundamental understanding of Wireless, DHCP, DNS and IPAM (DDI), proxy, WAF, CDN and DDOS concepts and platforms such as Infoblox, Zscaler, Akamai, Imperva, and the likes.
• Integration experience and knowledge between modern networks and cloud service providers such as AWS, Azure and GCP will be advantageous.
• Knowledge in SaaS, IaaS, PaaS, and virtualization will be advantageous.
• Coding skills such as Python will be advantageous.
• Experience in various internal and external monitoring, management, and reporting tools e.g., Spectrum, SevOne, CyberArk, ThousandEyes and MS Entra ID will be advantageous.
• Excellent technical knowledge, troubleshooting, problem analysis, and outside-the-box thinking