Cybersecurity Engineer: Firewall & SIEM Specialist

Zenith Infotech Pte Ltd.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Zenith Infotech Pte Ltd. in Singapore seeks a Cybersecurity Engineer to support day-to-day operations and maintain the organization’s cybersecurity infrastructure and services.

The role emphasizes firewall and WAF administration, SIEM operations, vulnerability management, and security monitoring. You will maintain security platforms, monitor control health, coordinate remediation with stakeholders, and prepare operational reports and dashboards while assisting in troubleshooting firewall, WAF,

Qualifications

• Minimum 2 to 5 years of experience in cybersecurity operations, network security administration, or security engineering.
• Experience with Palo Alto Networks firewall administration (e.g. PCNSA).
• Experience administering or supporting Web Application Firewall (WAF) technologies.
• Experience with SIEM platforms such as Splunk, Microsoft Sentinel, QRadar, ArcSight, or equivalent log management and monitoring solutions.
• Experience in vulnerability management and reporting is advantageous.

Responsibilities

• Administer, maintain, and support on-premises firewalls and cloud security controls.
• Perform health monitoring and operational support for firewall platforms.
• Execute firewall policy changes and troubleshoot related issues.
• Configure and maintain Web Application Firewall (WAF) platforms.
• Monitor logs from firewall, WAF, and SIEM to identify issues and escalate as needed.
• Monitor SIEM agent health and onboard new systems.
• Support SIEM operations including log onboarding and alert monitoring.
• Develop security dashboards and reports using SIEM tools.
• Monitor security alerts and coordinate remediation with stakeholders.
• Manage Vulnerability Management lifecycle and remediation reporting.
• Review vulnerability findings and implement remediation measures.
• Review firewall and WAF policies and prepare recommendations.
• Troubleshoot firewall, WAF, and security monitoring platform issues.
• Create and maintain technical documentation.
• Collaborate with infrastructure, application, and project teams on cybersecurity controls.
• Support daily security operations and coordination.

Skills

Network security concepts

Log analysis

Troubleshooting

Cloud security

Security monitoring

Education

Diploma or Degree in Computer Science, Information Technology, Cybersecurity, Information Security, or a related discipline

Tools

Palo Alto Firewall

WAF technologies

Splunk

Microsoft Sentinel

QRadar

ArcSight

Wireshark

tcpdump

Cloud security controls

Job description

Zenith Infotech Pte Ltd. in Singapore seeks a Cybersecurity Engineer to support day-to-day operations and maintain the organization’s cybersecurity infrastructure and services.

The role emphasizes firewall and WAF administration, SIEM operations, vulnerability management, and security monitoring. You will maintain security platforms, monitor control health, coordinate remediation with stakeholders, and prepare operational reports and dashboards while assisting in troubleshooting firewall, WAF,