Network Security Engineer (Contract)

Overview

Job Summary :

We are seeking a highly skilled Network & Cybersecurity Engineer with experience in securing enterprise and government infrastructures, including IM8-aligned environments. The ideal candidate will have hands-on expertise in managing firewalls, performing vulnerability assessments, and implementing secure hybrid (on-prem / cloud) network solutions. Strong knowledge of incident response, system hardening, risk management, and audit support is essential.

Responsibilities

• Deploy, configure, and manage enterprise-grade firewalls including Palo Alto, FortiGate, and SonicWall across hybrid infrastructures.
• Design secure routing and switching architectures using protocols such as OSPF, BGP, and VLAN segmentation.
• Perform IOC scanning, VAPT, and root cause analysis for cybersecurity incidents.
• Administer compliance and system hardening following IM8 and CIS Benchmarks on both Windows Server and Linux systems.
• Implement secure remote access solutions (SSL / IPSec VPNs) and manage authentication through AD, RADIUS, and TACACS+.
• Monitor and analyze logs using SIEM platforms (e.g., FortiSIEM, AWS CloudWatch) and implement threat detection workflows.
• Coordinate with internal stakeholders, clients, and 3rd-party vendors to support project delivery, audit readiness, and risk governance.
• Support infrastructure and compliance audits with Singapore Government, KPMG, and PwC.
• Lead cybersecurity initiatives for LTA projects such as Passenger Information Display System (PIDS) and Parking Guidance System (PGS).
• Maintain asset inventories, monitor EOL / EOS devices, and enforce baseline standards for firmware and software.

Requirements

#J-18808-Ljbffr