L3/L4 Support Engineer

Our Consulting client is currently seeking a highly experienced L3-L4 Network Support Engineer to act as the top-tier escalation point for complex networking issues across large-scale enterprise and hybrid-cloud environments. This is a hands-on, deeply technical role supporting critical infrastructure across data centers, WAN, and multi-cloud platforms.

What You'll Do

• Serve as final escalation for complex routing, switching, firewall, DNS, and cloud connectivity issues

• Troubleshoot major incidents across data center, WAN, edge, and cloud environments

• Lead root-cause analysis (RCA) and drive long-term remediation

• Support advanced BGP environments (multi-homing, route reflectors, MPLS, EVPN, VXLAN)

• Support AWS & Azure networking (VPC/VNet, Transit Gateway, Virtual WAN, Direct Connect, ExpressRoute)

• Execute changes, migrations, and configuration reviews

• Maintain documentation and operational runbooks

Technology Environment

• Routing & Switching: BGP, OSPF, MPLS, VXLAN, EVPN

• Platforms: Cisco Catalyst & Nexus, F5 LTM/GTM, Fortinet, Check Point

• DNS/IPAM: Infoblox

• Monitoring: SolarWinds

• Automation exposure and Python scripting a plus

What You Bring

• 7+ years' experience in enterprise or service-provider networking

• Expert-level troubleshooting skills

• Deep BGP knowledge including traffic engineering

• Strong experience with Cisco, F5, Fortinet, and Check Point

• Solid AWS and Azure networking knowledge

• Strong documentation skills