Network & Security Executive

Mayflower Corporate Travel Services Sdn Bhd; Kuala Lumpur; On-site; MYR 90,000 - 150,000; Full time

Job summary

Mayflower Corporate Travel Services Sdn Bhd seeks a Network & Security Executive to safeguard our IT infrastructure and ensure high availability. You will oversee network administration, security monitoring, firewall and endpoint protection, and incident response to protect data and services.

The role requires hands-on experience with LAN/WAN, VPNs, firewalls, IDS/IPS, and vulnerability management, plus the ability to coordinate with internal teams and vendors to resolve incidents promptly.

Qualifications

• Diploma/Degree in IT, CS, cybersecurity, Network Engineering or related field.
• 3-5 years of relevant network and security administration experience.
• Good knowledge of LAN, WAN, Wi-Fi, VPN, TCP/IP, VLAN, routing and switching.
• Hands-on experience with firewalls, IDS/IPS, switches, and endpoint security.
• Knowledge of security monitoring, vulnerability management, patching, and incident response.
• Certifications such as CCNA, CCNP, Security+, Fortinet or CEH are an added advantage.

Responsibilities

• Manage, maintain, and monitor LAN, WAN, Wi‑Fi, VPN, and Internet connectivity for reliable performance.
• Monitor security logs and events, identify threats, and support security controls implementation.
• Configure, maintain, and monitor firewalls, IDS/IPS, switches, and endpoint security solutions.
• Investigate, troubleshoot, and resolve network and cybersecurity incidents in a timely manner.
• Conduct vulnerability assessments and coordinate remediation and patching activities.
• Maintain network diagrams, configurations, documentation, and audit support.

Skills

Troubleshooting

Analytical thinking

Problem-solving

Documentation

Communication

Education

Diploma/Degree in IT or related field

Tools

Firewalls/IDS-IPS

Switches

Endpoint security tools

Patching tools

Job description

The Network & Security Executive will play a key role in maintaining a secure, reliable, and high-performing IT infrastructure. The position will oversee day-to-day network administration, security monitoring, firewall and network device management, vulnerability remediation, and incident response, while supporting the continuous enhancement of the organization's network and cybersecurity capabilities.

Job Description

1. Network Administration

Manage, maintain, and monitor the organization's LAN, WAN, Wi‑Fi, VPN, and Internet connectivity to ensure reliable and optimal network performance.

Perform network configuration, troubleshooting, and maintenance to minimize service disruptions and downtime.

Monitor network performance and identify potential issues before they impact business operations.

2. Security Monitoring & Threat Management

Monitor security logs, alerts, and events using relevant security monitoring and management tools.

Identify, analyze, and elevate potential security threats, vulnerabilities, and suspicious activities.

Support the implementation of security controls and measures to protect the organization's IT infrastructure and data.

3. Firewall, Switch & Endpoint Security Management

Configure, maintain, and monitor firewalls, IDS/IPS, core switches, distribution switches, and endpoint security solutions.

Review and manage firewall rules, access controls, and network security configurations in accordance with security policies.

Ensure network devices and security systems are properly configured, updated, and securely maintained.

Investigate, troubleshoot, and resolve network and cybersecurity incidents in a timely manner.

Perform root cause analysis and recommend corrective and preventive actions to minimize recurrence.

Coordinate with relevant internal teams and external vendors where required to resolve technical and security incidents.

5. Vulnerability Management

Conduct regular vulnerability assessments across network infrastructure, systems, and endpoints.

Coordinate and perform security patching, remediation, and configuration hardening based on identified vulnerabilities.

Track remediation activities and ensure identified security risks are addressed within the required timeframe.

6. Documentation, Compliance & Audit Support

Maintain accurate and up-to-date network diagrams, configurations, security documentation, procedures, and incident records.

Support internal and external IT security audits by providing the required documentation and technical information.

Ensure network and security practices are aligned with relevant company policies, security standards, and compliance requirements.

7. Technical & User Support

Provide technical support for network connectivity, VPN access, Wi‑Fi, and security-related issues.

Assist users in resolving access and connectivity problems while ensuring appropriate security controls are maintained.

Provide technical guidance and support to internal teams on network and cybersecurity-related matters.

8. Network & Security Enhancement

Identify opportunities to improve network performance, security controls, system reliability, and infrastructure resilience.

Recommend and implement enhancements to network and security architecture, technologies, and processes.

Keep abreast of emerging networking and cybersecurity technologies, threats, and best practices to support continuous improvement.

Job Requirements

Diploma/Degree in IT, Computer Science, Cybersecurity, Network Engineering, or related field.

3-5 years of relevant experience in network and security administration.

Good knowledge of LAN, WAN, Wi‑Fi, VPN, TCP/IP, VLAN, routing and switching.

Hands-on experience with firewalls, IDS/IPS, switches, and endpoint security.

Knowledge of security monitoring, vulnerability management, patching, and incident response.

Good understanding of IT security policies, compliance requirements, and audit processes.

Strong troubleshooting, analytical, and problem-solving skills.

Good documentation and communication skills, with the ability to prepare technical reports and maintain accurate IT records

Able to work independently and handle security incidents effectively.

Relevant certifications such as CCNA, CCNP, Security+, Fortinet, or CEH are an added advantage.