L3 Network Engineer
Amk Technology
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Résumé du poste
Amk Technology is seeking an experienced L3 Network Engineer to support and optimize a multi-vendor enterprise network across LAN, WAN, WLAN, VPN, and security platforms. You will act as the escalation point for complex incidents and mentor junior engineers.
The role requires strong routing and switching, hands-on troubleshooting, and the ability to coordinate with regional teams. On-call duties and travel may be required.
Qualifications
- Diploma or degree in IT, computer science, networking or related discipline.
- 5–8+ years of network engineering experience with strong L3 troubleshooting.
- Experience in multi-vendor enterprise networks; CCNP/JNCIP/FortiPan/PA certs preferred.
Responsabilités
- L3 network support and troubleshooting for complex incidents.
- Lead major incident troubleshooting and RCA documentation.
- Mentor L1/L2 engineers and provide guidance.
- Manage multi-vendor infrastructure across Cisco, Fortinet, Palo Alto, Juniper, UniFi, Meraki.
- Configure BGP/OSPF, VLAN, VRF, STP, inter-VLAN routing and redundancy.
- Ensure security policies and firewall changes align with change management.
Connaissances
Formation
Outils
Description du poste
Contract Period: 01 - Year-Extendable based on performance
Job Description: Job Description – 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.
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.
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.
- 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.
- 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.
- 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.
- 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.
- 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.
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.
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.
- 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.
- 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.
- 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.
Normal Working Hours : 9am -6PM (Weekday Only). However would be required to be on 24x7 for any on call if there is incident.
Information Technology Services 101-1,000 employees
Company Description Established in 2002, AMK has been providing quality software services, SAP / IT Consulting and Business Process Outsourcing to large corporations in Malaysia, Singapore, China, Middle East & India. AMK has grown rapidly to become one of the leading providers of comprehensive SAP & IT consulting services for a global customer base that includes both Fortune 500 and small- to mid-size companies, as well as numerous public-sector organizations.
Through our well-developed expertise and broad experience in implementing IT solutions, a well-trained and motivated workforce, and our intense focus on innovation, consistent quality, and customer satisfaction, we have been able to provide outstanding support to our clients over the years.
AMK is recognized as a leading SAP/IT Outsourcing service provider. In line with our expansion plans, we require enthusiastic and dedicated individual to join us. AMK has tremendous growth as a strategic solutions and outsourcing consultancy
Company Description Established in 2002, AMK has been providing quality software services, SAP / IT Consulting and Business Process Outsourcing to large corporations in Malaysia, Singapore, China, Middle East & India. AMK has grown rapidly to become one of the leading providers of comprehensive SAP & IT consulting services for a global customer base that includes both Fortune 500 and small- to mid-size companies, as well as numerous public-sector organizations.
Through our well-developed expertise and broad experience in implementing IT solutions, a well-trained and motivated workforce, and our intense focus on innovation, consistent quality, and customer satisfaction, we have been able to provide outstanding support to our clients over the years.
AMK is recognized as a leading SAP/IT Outsourcing service provider. In line with our expansion plans, we require enthusiastic and dedicated individual to join us. AMK has tremendous growth as a strategic solutions and outsourcing consultancy
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