Senior Network & Infrastructure Engineer - Scalable & Secure

NTT Limited; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

NTT DATA in Singapore is seeking a Senior Associate Network Engineer to design, implement, and optimize our enterprise network infrastructure. You will collaborate with senior engineers and cross-functional teams to ensure stability, security, and performance across LAN/WAN and data centers.

The role demands hands-on configuration and management of routers, switches, firewalls, load balancers, and wireless access points, plus strong problem-solving and documentation skills.

Qualifications

• Bachelor's degree in IT/CS or related field.
• Network Administration certifications (Azure, Google, AWS) preferred.
• CCNA/CCNP or JNCIA/JNCIE beneficial.

Responsibilities

• Collaborate to design, implement, and optimize LAN/WAN and data center networks.
• Contribute to network architecture discussions and provide input.
• Configure and manage routers, switches, firewalls, load balancers, and wireless APs.
• Troubleshoot network issues with advanced techniques.
• Monitor traffic patterns to identify bottlenecks and propose improvements.
• Implement and maintain network security measures including VPNs and IDS/IPS.
• Document network diagrams, configurations, and incident reports.

Skills

Networking concepts

Network configuration

Troubleshooting

Network monitoring

Documentation

Security principles

Education

Bachelor's degree in IT/CS

Tools

Azure

AWS

Google Cloud

Cisco IOS

Juniper

Job description

NTT DATA in Singapore is seeking a Senior Associate Network Engineer to design, implement, and optimize our enterprise network infrastructure. You will collaborate with senior engineers and cross-functional teams to ensure stability, security, and performance across LAN/WAN and data centers.

The role demands hands-on configuration and management of routers, switches, firewalls, load balancers, and wireless access points, plus strong problem-solving and documentation skills.