Track Lead - Network LAN/WAN

Technology, Data & Digital · IT Infrastructure & Security · Cloud Engineering · Network Administration

In short

HCLTech is looking for an 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 will provide Tier-3 escalation support and own complex technical issues end-to-end.

Responsibilities

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), switching (VLANs, STP/RSTP/MST, LACP), and WAN/SD-WAN (MPLS, Internet VPN, DIA, SD-WAN overlays/underlays, path selection).
Support and tune QoS for voice/video/business-critical apps.
Ensure network stability by identifying recurring patterns and driving permanent fixes.

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).
Experience with WAN technologies: MPLS, IPsec VPN, GRE, DMVPN, Internet edge routing.
Knowledge of SD-WAN concepts: overlay/underlay, controller/orchestrator operations, policy/routing.
Familiarity with QoS and traffic engineering.
Experience with network platforms such as Cisco (Catalyst, Nexus, ISR/ASR, WLC), Juniper, Arista, Fortinet, Palo Alto, VMware NSX.
Strong knowledge of operational processes: Incident/Problem/Change Management (ITIL), RCA, post-incident review.

Benefits

Supercharge your potential, find your career, and find your spark at HCLTech.
Be part of a global technology company with over 230,000 people across 60 countries.
Work with clients across all major verticals.
Consolidated revenues as of 12 months ending September 2026 totaled $14.8 billion.

Skills

LANWANSD-WANBGPOSPFEIGRPVLANsSTPRSTPMSTLACPMPLSIPsec VPNGREDMVPNQoSTCP/IPCisco CatalystCisco NexusCisco ISRCisco ASRCisco WLCJuniperAristaFortinetPalo AltoVMware NSXIncident ManagementProblem ManagementChange ManagementITILRCA

#Network#LAN#WAN#SD-WAN#Routing#Switching#Data Center#Troubleshooting#ITIL#Network Engineer

About HCLTech

Supercharging progress through technology and innovation

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered around digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending September 2022 totaled $12.1 billion. To learn how we can supercharge progress for…

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