Senior ICT Security Engineer: Network Architecture & SD-WAN

EXASOFT CONSULTING PTE. LTD.; Singapore; On-site; SGD 100,000 - 180,000; Full time

Job summary

EXASOFT CONSULTING PTE. LTD. in Singapore seeks a senior Network Engineer to design, deploy, and optimize enterprise networks across multi-vendor environments, focusing on security and reliability.

You will manage FortiGate, Check Point and Palo Alto firewalls, implement SD-WAN, and oversee VLANs, 802.1X, RADIUS, and WLC-based wireless deployments while providing Tier-3 support and on-call weekend coverage. The role requires 7+ years of experience and strong routing knowledge.

Qualifications

• 7+ years of experience in Network Engineering and Network Security with strong architecture skills.
• Hands-on FortiGate firewall administration and security policy tuning.
• Experience with multi-vendor firewalls (Fortinet, Check Point, Palo Alto).
• SD-WAN deployment across multi-ISP environments and VPN support.
• VLANs, authentication, and network segmentation (802.1X, RADIUS, DHCP Snooping).
• OSPF/BGP routing knowledge and multi-vendor network environments.
• CCNA/CCNP or Fortinet certifications are advantageous.

Responsibilities

• Design, deploy, and optimize scalable enterprise networks with multi-vendor hardware.
• Configure FortiGate firewalls and security policies; manage SD-WAN and VPNs.
• Architect and secure campus wireless networks with centralized WLC designs.
• Manage VLANs, network segmentation, ACLs, 802.1X, and RADIUS implementations.
• Monitor events, investigate connectivity/security issues, provide L2/L3 support.
• Maintain technical documentation and support handover activities.
• Provide on-call standby support during weekends when required.

Skills

Network Engineering

Network Security

Network Architecture

SD-WAN

IPSec/SSL VPN

VLANs

RADIUS

802.1X

ACLs

Wireless Networking

Education

CCNA

CCNP

Fortinet certifications

Tools

FortiGate

Check Point

Palo Alto

Job description

EXASOFT CONSULTING PTE. LTD. in Singapore seeks a senior Network Engineer to design, deploy, and optimize enterprise networks across multi-vendor environments, focusing on security and reliability.

You will manage FortiGate, Check Point and Palo Alto firewalls, implement SD-WAN, and oversee VLANs, 802.1X, RADIUS, and WLC-based wireless deployments while providing Tier-3 support and on-call weekend coverage. The role requires 7+ years of experience and strong routing knowledge.