Track Lead - Network LAN/WAN
Confirmed on the employer's own hiring board on Nov 6, 2026. First seen by Alion on Nov 5, 2026.
Job Summary
n experienced L3 Network Data Engineer (LAN/WAN) to lead advanced troubleshooting, incident restoration, problem management, and proactive optimization of enterprise LAN, WAN, SD-WAN, and routing/switching environments. This role provides Tier-3 escalation support, owns complex technical issues end-to-end, drives root cause analysis (RCA), implements network changes, and ensures high availability, performance, and security of the network infrastructure across data centers, campuses, and remote sites.
Key Responsibilities
L3 Operations & Escalation Support
Provide Tier-3 (L3) escalation for LAN/WAN incidents, including major incidents (P1/P2); restore service within SLA and lead technical bridges when required.
Perform advanced troubleshooting across:
Routing: OSPF, BGP, EIGRP (where applicable), route redistribution, policy-based routing
Switching: VLANs, STP/RSTP/MST, LACP, trunking, port-security
WAN/SD-WAN: MPLS, Internet VPN, DIA, SD-WAN overlays/underlays, path selection
Support and tune QoS for voice/video/business-critical apps (classification, marking, queuing, shaping/policing).
Ensure network stability by identifying recurring patterns and driving permanent fixes.
Skill Requirements
Strong hands-on experience with enterprise LAN & WAN operations and troubleshooting.
Deep understanding of:
TCP/IP, subnetting, routing protocols (BGP/OSPF), switching fundamentals (STP/VLAN/LACP)
WAN technologies: MPLS, IPsec VPN, GRE, DMVPN (if applicable), Internet edge routing
SD-WAN concepts: overlay/underlay, controller/orchestrator operations, policy/routing
QoS and traffic engineering
Experience with network platforms such as:
Cisco (Catalyst, Nexus, ISR/ASR, WLC), Juniper, Arista, Fortinet, Palo Alto, VMware NSX (any relevant mix)
Strong knowledge of operational processes:
Incident/Problem/Change Management (ITIL), RCA, post-incident review
Other Requirements
NA