1. Network Infrastructure Management

Design, implement, configure, and maintain enterprise network infrastructure, including LAN, WAN, WLAN, VPN, switches, routers, firewalls, and related network devices.
Monitor network performance, availability, capacity, and reliability.
Ensure network infrastructure is properly configured, documented, and maintained.
Manage network upgrades, expansions, migrations, and technology refresh projects.
Identify opportunities to improve network performance, scalability, and resilience.

2. Network Security

Implement and maintain network security controls, including firewalls, VPNs, access controls, network segmentation, and security policies.
Work closely with cybersecurity teams to identify and mitigate network security risks.
Monitor network traffic and investigate suspicious or abnormal network activities.
Ensure network configurations comply with organisational security standards and policies.
Support vulnerability assessments, security audits, and remediation activities.

3. Troubleshooting & Technical Support

Provide Level 2/Level 3 technical support for complex network-related incidents.
Diagnose and resolve network connectivity, routing, switching, wireless, VPN, firewall, and performance issues.
Conduct root cause analysis for recurring or critical network incidents.
Coordinate with Internet Service Providers, telecommunications providers, and technology vendors when required.
Provide technical guidance to junior network engineers and IT support teams.

4. Network Architecture & Design

Develop and maintain network architecture, topology diagrams, IP addressing schemes, and technical documentation.
Evaluate new networking technologies and recommend appropriate solutions.
Design network solutions that support business growth, operational requirements, and high availability.
Implement redundancy, load balancing, failover, and disaster recovery solutions where required.

5. Network Monitoring & Performance

Monitor network devices and services using network management and monitoring tools.
Analyse bandwidth utilisation, latency, packet loss, availability, and other network performance indicators.
Establish appropriate performance baselines and proactively identify potential issues.
Prepare network performance and incident reports for management.

6. Projects & Infrastructure Improvements

Lead or participate in network infrastructure projects, including office expansions, data centre upgrades, cloud connectivity, network migrations, and system implementations.
Develop technical requirements, implementation plans, test plans, and rollback procedures.
Coordinate network-related activities with internal teams, contractors, vendors, and service providers.
Ensure projects are delivered according to agreed timelines, technical requirements, and budgets.

Vlan Jobs in Kuala Lumpur - November 2026 - Urgent Hiring

Senior Network Engineer