Network Security Engineer

OVERVIEW

The L3 Security Engineer is an advanced operational and engineering role responsible for maintaining, optimizing, and defending the network security posture across Singapore public sector IT infrastructures. Serving as a core tier-3 escalation point, you will handle complex security incidents and technical requests within Government Commercial Cloud (GCC) and hybrid environments. This role demands an engineer who can apply deep analytical troubleshooting to maintain system uptime, enforce Zero Trust policies, and optimize routine operations through security automation.

Due to the mandatory security clearance requirements associated with sensitive Singapore Government systems, this position is open to Singapore Citizens only.

RESPONSIBILITIES

1. L3 Security Operations & Incident Management

• Tier-3 Technical Escalation: Act as a senior escalation point to investigate, analyze...