Manage day-to-day operations of security appliances including UTM, firewalls, and IPS—handling monitoring, policy fine-tuning, and administration

Work across our Ap Lei Chau and Kwai Chung data centers providing 24/7 security alert monitoring, acting as the first line of analysis for event classification and initial investigation

Dive deep into security device logs (UTM, SIEM, EDR) to proactively hunt for Indicators of Compromise (IOCs) and uncover potential vulnerabilities or active attack campaigns

Investigate unusual network traffic and system behaviour to determine whether they're malicious attacks or intrusion attempts, then execute containment and remediation

Apply solid understanding of the seven-layer network architecture and dynamic routing in day-to-day analysis and troubleshooting

Lead security incident response and own the drafting of detailed Incident Reports and operational status updates

Get involved in planning and rolling out security projects, including SD-WAN solutions

Take on ad-hoc tasks as needed

Higher Diploma or above in Computer Science, IT, Cybersecurity, or related field

3+ years of security operations experience in an ISP, Telecom, or ICT environment—more experienced candidates will be considered for Senior Security Engineer role

Strong grasp of firewall policy configuration, IP Routing, and core networking fundamentals

Hands-on experience with any of the following is a plus:

• Security Appliances: FortiGate (FortiOS), Palo Alto, Check Point, etc.

• Security Operations: SIEM (e.g., ArcSight, Splunk), EDR, vulnerability scanning tools

• Security Knowledge: Familiarity with threat frameworks like Cyber Kill Chain or MITRE ATT&CK

Professional certifications such as CISSP, GCIH, GCIA, CEH, Fortinet NSE are highly regarded

Strong analytical skills, good interpersonal skills, and ability to perform under pressure

Fluency in Mandarin or English is an advantage

Willing to work standby and shift duties as required

Work locations: Kwai Chung and Ap Lei Chau (with transportation allowance provided)