全职 L3 Network Engineer 工作, 薪水, Logicalis Asia Pacific 公司招聘中 - Ricebowl

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.

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.

- Strong hands-on experience with routing and switching.

- Good knowledge of BGP and OSPF.

- Strong troubleshooting skills using packet captures and network diagnostic tools.

- Experience with network monitoring and management platforms.

Vendor Technologies

• Cisco| Routing, switching, Catalyst/Nexus
• Fortinet| FortiGate, Firewall, VPN, Security Policies
• Palo Alto| NGFW, Security Policies, VPN, NAT
• Juniper| Routing, Switching and Troubleshooting
• Cisco Meraki| Switching, Wireless, Security Appliance
• UniFi| Switching, Wireless and Network Management
• Experience across multiple vendors is highly preferred.

Qualifications & Experience

- Diploma or Degree in IT, Computer Science, Networking or a related discipline.

- 5–8+ years of network engineering experience, with strong L3 troubleshooting experience.

- Hands-on experience supporting enterprise network environments.

- Experience working in a multi-vendor network environment.

- CCNP, JNCIP, Fortinet, Palo Alto or equivalent certifications are preferred.

- ITIL experience and knowledge of Incident, Problem and Change Management processes.

- Experience supporting regional or global environments is an advantage.

Key Competencies

- Strong technical troubleshooting and analytical skills.

- Strong ownership and accountability.

- Able to independently troubleshoot complex network issues.

- Strong communication and stakeholder-management skills.

- Able to work effectively under pressure during major incidents.

- Good documentation and reporting skills.

- Proactive approach to network monitoring and problem prevention.

- Ability to mentor and provide technical guidance to L1/L2 engineers.

Working Environment

- Support enterprise and regional network infrastructure.

- Participate in on-call and after-hours support

- Support planned maintenance and network changes outside business hours.

- Participate in Major Incident Management and technical bridge calls.

- Work with regional/global teams across different time zones.

- Occasional travel to offices or data centres may be required.