Network Administrator L3

Job Description – L3 Network Engineer

Role Title

L3 Network Engineer – LAN | WAN | Data Center | Network Security

Role Summary

We are seeking a Level 3 (L3) Network Engineer responsible for the design, implementation, and support of enterprise LAN, WAN, and Data Center networks. This role serves as the final technical escalation point, owning complex incident resolution, root cause analysis (RCA), network architecture, performance optimization, and security initiatives.

Key Responsibilities

• Design, implement, and support LAN, WAN, and Data Center network infrastructure
• Act as L3 escalation point for complex network issues and lead root cause analysis (RCA)
• Manage routing and switching technologies including BGP, OSPF, VLANs, STP, and VXLAN
• Support firewalls, VPNs, SD-WAN solutions, and network security controls
• Lead network upgrades, migrations, hardware refresh...