ICT Security Engineer (Network Security Hardening, Palo Alto, Check Point, FortiGate Firewall, VPN)

EXASOFT CONSULTING PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

EXASOFT CONSULTING PTE. LTD. is seeking a senior Network Security professional to lead firewall administration and enterprise security initiatives across the organisation.

The role focuses on configuring Palo Alto, Check Point and FortiGate firewalls, implementing VPN connectivity and hardening the network infrastructure. You will manage F5 LTM configurations, review security policies, and participate in audits and incident response to ensure robust security and compliance across enterprise

Qualifications

• At least 9 years of enterprise network security experience.
• Hands-on with Palo Alto, Check Point and FortiGate firewalls.
• Experience with F5 LTM, VPNs and network hardening.

Responsibilities

• Administer and configure Palo Alto, Check Point and FortiGate firewalls, including policies and access rules.
• Configure and support F5 LTM load balancers for application availability.
• Implement IPSec, SSL and Site-to-Site VPN connectivity for secure communication.
• Review policies, ACLs and NAT to optimise rule sets and access controls.
• Perform network hardening, firewall audits and remediation for compliance.
• Handle firewall upgrades, configuration changes and complex security incidents.

Skills

Network security

Firewall administration

Enterprise network

VPN technologies

Tools

Palo Alto

Check Point

FortiGate

F5 LTM

Job description

Responsibilities

• Administer and configure enterprise firewall platforms, including Palo Alto, Check Point and FortiGate, covering security policies, access rules and network traffic control.
• Configure and support F5 LTM load-balancing solutions to maintain application availability and optimise traffic distribution.
• Implement and manage IPSec, SSL and Site-to-Site VPN connectivity to support secure communication across enterprise environments.
• Review firewall policies, ACLs and NAT configurations to identify security gaps, optimise rule sets and maintain effective access controls.
• Perform network security hardening, firewall audits and remediation activities to strengthen infrastructure security and compliance.
• Handle firewall upgrades, configuration changes and complex network security incidents, ensuring reliable network operations.

Requirements

• Minimum 9 years of experience in Network Security, Firewall Administration and Enterprise Network Infrastructure Management.
• Strong hands-on experience in configuring and administering Palo Alto, Check Point and FortiGate firewalls.
• Hands-on experience with F5 LTM configuration, virtual servers, pools and load-balancing management.
• Hands-on experience in IPSec, SSL VPN, Site-to-Site VPN and remote-access VPN technologies.
• Experience in configuring and managing firewall policies, ACLs, NAT rules, traffic filtering and firewall rule optimisation.
• Experience in network hardening, security audits, vulnerability remediation and security compliance.