Network Engineer

Logicalis Malaysia Sdn Bhd; Singapore; Presencial; SGD 80.000 - 120.000; Jornada completa

Descripción de la vacante

Logicalis Asia Pacific is seeking a skilled L3 Network Engineer to deliver advanced technical support, troubleshooting, and management of enterprise networks across multiple technologies and vendors in a Singapore-based role.

You will serve as the Level 3 escalation point, collaborating with L1/L2 teams, infrastructure, cybersecurity, vendors, and stakeholders to maintain a stable and secure network environment.

Formación

• Strong knowledge of TCP/IP, DNS, DHCP, NAT, VLAN, STP, QoS, VPN and network security.

Responsabilidades

• L3 Network Support & Troubleshooting: provide complex escalation support for network incidents.
• Troubleshoot LAN, WAN, Internet, WLAN, VPN, routing, switching and firewall environments.
• Perform detailed network analysis using logs, captures, and monitoring tools.
• Lead troubleshooting for major incidents and perform RCA with permanent corrective actions.
• Mentor L1/L2 engineers and provide guidance on network issues.
• Manage multi-vendor network environments including Cisco, Fortinet, Palo Alto, Juniper, UniFi and Cisco Meraki.
• Configure and troubleshoot routing protocols (BGP, OSPF) and inter‑VLAN routing.
• Review firewall changes and collaborate with cybersecurity teams.

Conocimientos

Networking

Descripción del empleo

About Us

At Logicalis Asia Pacific, this is where you belong, grow, and thrive - at one of APAC's leading AI-driven technology integrators.

As the Architects of Change™, we combine global expertise with local insight to help organisations accelerate their journey toward becoming AI-ready enterprises. With 7,000+ professionals across 30 territories and more than 10,000 clients worldwide, we deliver lifecycle services across cloud, connectivity, collaboration, cybersecurity, and managed services - providing real-time visibility and intelligence across our clients' digital ecosystems.

You’ll belong as part of a collaborative regional team embedded within a global organisation. You’ll grow through hands‑on experience with the world’s leading technology partners, supported by investment in certifications, consulting capability, and cross‑border opportunity. And you’ll thrive in a culture built on inclusion, trust, and continuous improvement.

Logicalis is proud to be a Great Place to Work® Certified™ organisation across multiple APAC markets - because the commitment we bring to our clients belongs equally to our people.

Join us and help shape the future of technology across APAC.

L3 Network Engineer

The L3 Network Engineer is responsible for providing advanced technical support, troubleshooting, implementation, and management of enterprise network infrastructure across multiple technologies and vendors. The role will serve as the Level 3 technical escalation point for complex network incidents and will work closely with L1/L2 engineers, infrastructure teams, cybersecurity teams, vendors, and business stakeholders to maintain a stable, secure, and highly available network environment.

Key Responsibilities

L3 Network Support & Troubleshooting

Provide L3 technical support for complex network incidents escalated from L1/L2 teams.

Troubleshoot complex issues across LAN, WAN, Internet, WLAN, VPN, routing, switching, and firewall environments.

Perform detailed network analysis using logs, packet captures, routing tables and network monitoring tools.

Lead troubleshooting for major incidents and provide technical support during critical outages.

Perform root cause analysis (RCA) and identify permanent corrective actions.

Provide technical guidance and mentoring to L1/L2 network engineers.

Network Infrastructure Management

Provide hands‑on support and administration across a multi‑vendor network environment, including:

• Cisco - Routers, switches, Catalyst, Nexus and related networking technologies.
• Fortinet - FortiGate firewalls, VPN, security policies and FortiManager/FortiAnalyzer where applicable.
• Palo Alto - Next‑generation firewalls, security policies, VPN and related security technologies.
• Juniper - Routers, switches and enterprise networking platforms.
• UniFi - Wireless and LAN infrastructure.
• Cisco Meraki - Switches, wireless access points, security appliances and cloud‑managed networking.

Routing & Switching

Configure and troubleshoot BGP, OSPF, VLAN, STP, VRF, trunking, LACP/EtherChannel and inter‑VLAN routing.

Troubleshoot routing and connectivity issues across LAN, WAN and Internet environments.

Analyse routing paths and network traffic to identify performance and connectivity issues.

Support network redundancy, high availability and failover configurations.

Firewall & Network Security

Configure, troubleshoot and maintain Fortinet and Palo Alto firewalls.

Support firewall policies, NAT, VPN, routing and security profiles.

Troubleshoot application connectivity and firewall‑related issues.

Work closely with cybersecurity teams on network security requirements.

Review and implement firewall changes in accordance with approved change‑management processes.

Wireless & SD‑WAN

Support enterprise wireless infrastructure across Cisco, Meraki, UniFi and other wireless platforms.

Troubleshoot wireless connectivity, authentication, coverage and performance issues.

Support SD‑WAN and Internet connectivity where applicable.

Monitor network performance and proactively identify potential issues.

Network Projects & Changes

Participate in network migration, upgrade, refresh and infrastructure improvement projects.

Perform network device upgrades, configuration changes and technology migrations.

Prepare implementation and rollback plans.

Conduct pre‑change and post‑change validation.

Coordinate with internal teams, vendors and stakeholders during network implementations.

Ensure all network changes are properly documented and communicated.

Incident & Problem Management

Take ownership of complex network incidents through to resolution.

Participate in Major Incident Management and provide technical updates.

Perform detailed RCA for critical and recurring incidents.

Identify opportunities to improve network reliability and reduce recurring incidents.

Maintain technical knowledge articles and troubleshooting procedures.

Required Technical Skills

Networking

Strong knowledge of TCP/IP, DNS, DHCP, NAT, VLAN, STP, QoS, VPN and network security. St