Senior Network Engineer — SD-WAN, ACI & Security Infra

NTT

Singapore

On-site

SGD 180,000 - 240,000

Full time

14 days+

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Job summary

NTT in Singapore is seeking an accomplished Senior Network Engineer to lead design, migration and optimization of our enterprise networks. You will architect and deploy SD-WAN, manage multi-vendor routing/switching, and ensure high availability and robust security across global IT environments.

You will configure Check Point and Palo Alto firewalls, administer Infoblox DDI, and drive efficiency with Cisco ACI data centers.

Qualifications

10+ years of enterprise network design and support.
SD-WAN, routing, switching, LAN/WAN expertise.
Check Point and Palo Alto firewall administration.
Strong Cisco ACI data center networking experience.
Infoblox DDI services experience.
On-site residency in Singapore.

Responsibilities

Lead end-to-end design, implementation, migration, and optimization of enterprise network infrastructure in Singapore.
Architect, deploy, and manage SD-WAN fabrics.
Configure, maintain, and troubleshoot routing/switching across multi-vendor environments.
Administer Check Point and Palo Alto firewalls and VPN gateways.
Deploy Cisco ACI data center fabrics and SDN topologies.
Operate Infoblox DDI core services and IP address management.
Provide fault isolation and RCA for complex outages.
Ensure security baselines and resilience standards.
Collaborate with global IT stakeholders and security teams.
Prepare network engineering blueprints and runbooks.