Senior L3 Network Engineer: Multi-Vendor Infra

Recruit Express Pte Ltd; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Recruit Express Pte Ltd is seeking an experienced L3 Network Engineer to provide advanced technical support and manage enterprise network infrastructure across multiple vendors. You will serve as the escalation point for complex incidents and work with L1/L2 teams, infrastructure, cybersecurity, vendors, and stakeholders to ensure a secure, highly available network environment.

The role covers routing, switching, firewall, SD-WAN, wireless, and project-based changes across Cisco, Fortinet, Palo

Qualifications

• Diploma or degree in IT/CS/Networking.
• 5–8+ years of network engineering experience in enterprise environments.
• Experience in multi-vendor network environments.
• CCNP, JNCIP, Fortinet, Palo Alto or equivalent certifications preferred.
• ITIL knowledge and incident/change management experience preferred.

Responsibilities

• 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 monitoring tools.
• Lead troubleshooting for major incidents and provide technical support during outages.
• Perform root cause analysis (RCA) and implement permanent corrective actions.
• Mentor and guide L1/L2 network engineers.

Skills

TCP/IP

BGP

OSPF

Troubleshooting

Network monitoring

Education

Diploma/Degree in IT/CS/Networking

CCNP/JNCIP/ Fortinet/ Palo Alto or equivalent

Tools

Fortinet FortiGate

Palo Alto

Cisco Meraki

UniFi

Juniper

Job description

Recruit Express Pte Ltd is seeking an experienced L3 Network Engineer to provide advanced technical support and manage enterprise network infrastructure across multiple vendors. You will serve as the escalation point for complex incidents and work with L1/L2 teams, infrastructure, cybersecurity, vendors, and stakeholders to ensure a secure, highly available network environment.

The role covers routing, switching, firewall, SD-WAN, wireless, and project-based changes across Cisco, Fortinet, Palo