Senior Executive, IT Security - #1159909
BIGL Asia Pte Ltd
Key Responsibilities
Network & System Security
Review and support the design and implementation of secure network architecture (LAN/WAN, VPN, cloud, hybrid)
Assist in configuring firewalls, network segmentation, and access controls
Support secure setup of new systems, sites, and integrations
Apply secure configuration standards to infrastructure and systems
Implement zero trust principles where applicable
Firewall & Network Security Policy Ownership
Implement firewall rules based on approved standards and requests
Perform initial review of firewall rule changes and escalate where needed
Support enforcement of least-privilege access across network zones
Assist in managing secure remote access (VPN, admin, third-party)
MDR Integration & Security Visibility
Ensure systems and network devices are properly onboarded to MDR/SIEM
Monitor security alerts and escalate incidents based on defined procedures
Work with MDR provider to investigate and respond to security events
Support basic tuning of monitoring rules and logging requirements
Security Operations & Risk Support
Perform vulnerability scans and support remediation tracking
Assist in risk assessments and identification of security gaps
Support incident response activities and documentation
Assist with security audits and testing activities
Change & Project Security Support
Participate in security review of infrastructure and system changes
Highlight potential risks (e.g., access exposure, misconfigurations, lateral movement exposure))
Provide recommendations to improve security posture
Security Governance & Standards
Establish and maintain network security baseline standards
· Develop and enforce security policies, standards, and procedures
Define security requirements for new infrastructure, sites, and systems
Support audits and security assessments
· Assist in aligning implementations with internal standards and frameworks (e.g., NIST, ISO27001)
Collaboration & Awareness
Work closely with infrastructure and IT teams on secure implementations
Provide basic security guidance to technical teams when required
Promote security awareness and good practices
Awareness & Training
Provide security guidance to IT and business teams
Promote best practices and awareness
Qualifications & Skills
Education
Bachelor’s degree in IT, Cybersecurity, or related field
Experience
2–5 years in cyber security, network security, and infrastructure security
Hands-on experience with:
Firewalls (e.g., SonicWall, Fortinet, Palo Alto Networks)
o VPN, endpoint security, or basic IDS/IPS
o Network design or system architecture
o Exposure to enterprise network environments (multi-site preferred)
Experience supporting projects
Experience with OT/industrial networks
Knowledge of compliance/regulations (GDPR, PDPA, etc.)
Technical Skills
Good understanding of:
TCP/IP, networking fundamentals
VLANs, segmentation, and access control concepts
Firewall rules and basic network security principles
VPN and remote access security
Familiarity with:
SIEM/MDR concepts
Vulnerability scanning tools
Basic cloud security concepts
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