SME - Network LAN/WAN
India
Job Description
SME - Network LAN/WAN
Noida, Uttar Pradesh

Job Summary

We are looking for a Consultant (L3) with deep expertise in enterprise wireless architecture, design, and implementation across Cisco, Juniper Mist, and Aruba platforms. The role demands technical leadership, solution ownership, and customer-facing consulting, driving end-to-end delivery of scalable, secure, and high-performance network solutions.

Key Responsibilities

Own end-to-end network solution lifecycle: Design → Implementation → Optimization → L3 Support • Lead wireless architecture design for enterprise environments using: o Juniper Mist (AI-driven wireless, Marvis) o Cisco 9800 WLC & AireOS platforms o Aruba WLAN solutions • Architect and deliver WAN, LAN, and Wireless solutions for new site rollouts and transformations • Provide technical leadership in customer engagements, workshops, and design discussions • Drive greenfield deployments, migrations, and large-scale upgrades • Design and implement: o HA (SSO) Wireless Architectures o Mobility & Anchor solutions for guest access o Secure WLAN (ISE / AAA integration) • Define and review HLDs/LLDs, ensuring alignment with best practices and customer requirements • Act as L3 escalation point for critical network and wireless issues

Skill Requirements

Routing, Switching & Integration • Strong expertise in: o BGP, OSPF, EIGRP • Advanced switching concepts: o VLANs, STP, VTP, EtherChannel, Stack, VSS o HSRP, VRRP (High Availability) • Integration across: o Cisco Catalyst (9300), ISR 4000 series o Juniper EX/SRX (Mist-integrated environments) ________________________________________ Operations, Tools & Automation • Expertise in: o Cisco Prime (templates, heatmaps, reporting, OVA deployment) o Mist Cloud / Aruba Central (operational awareness) • Strong troubleshooting across: o DHCP, DNS, SNMP, NTP, FTP, TFTP • Drive structured documentation: o HLD, LLD, SOPs, Runbooks o Network topology using Visio

Other Requirements

 Job Description: Consultant (L3) – Wireless & Network Architecture (Cisco, Juniper Mist, Aruba)\\\\r\\\\nRole Overview\\\\r\\\\nWe are looking for a Consultant (L3) with deep expertise in enterprise wireless architecture, design, and implementation across Cisco, Juniper Mist, and Aruba platforms. The role demands technical leadership, solution ownership, and customer-facing consulting, driving end-to-end delivery of scalable, secure, and high-performance network solutions.\\\\r\\\\n________________________________________\\\\r\\\\nKey Responsibilities\\\\r\\\\n• Own end-to-end network solution lifecycle:\\\\r\\\\nDesign → Implementation → Optimization → L3 Support\\\\r\\\\n• Lead wireless architecture design for enterprise environments using:\\\\r\\\\no Juniper Mist (AI-driven wireless, Marvis)\\\\r\\\\no Cisco 9800 WLC & AireOS platforms\\\\r\\\\no Aruba WLAN solutions\\\\r\\\\n• Architect and deliver WAN, LAN, and Wireless solutions for new site rollouts and transformations\\\\r\\\\n• Provide technical leadership in customer engagements, workshops, and design discussions\\\\r\\\\n• Drive greenfield deployments, migrations, and large-scale upgrades\\\\r\\\\n• Design and implement:\\\\r\\\\no HA (SSO) Wireless Architectures\\\\r\\\\no Mobility & Anchor solutions for guest access\\\\r\\\\no Secure WLAN (ISE / AAA integration)\\\\r\\\\n• Define and review HLDs/LLDs, ensuring alignment with best practices and customer requirements\\\\r\\\\n• Act as L3 escalation point for critical network and wireless issues\\\\r\\\\n________________________________________\\\\r\\\\nWireless Architecture & Expertise (Primary Focus)\\\\r\\\\n• Deep hands-on expertise in:\\\\r\\\\no Cisco Wireless (9800, AireOS, 9100 APs, Mobility, FlexConnect)\\\\r\\\\no Juniper Mist Wireless (APs, Cloud, AI-driven operations)\\\\r\\\\no Aruba Wireless (Controller-based & Instant architecture)\\\\r\\\\n• Strong expertise in:\\\\r\\\\no RF Design & Optimization (RRM, DCA, Channel Planning, RF Profiles)\\\\r\\\\no Seamless roaming & mobility design\\\\r\\\\no Client performance and SLE-driven optimization (Mist)\\\\r\\\\n• Advanced experience in:\\\\r\\\\no Mobility tunnels (Foreign–Anchor WLC)\\\\r\\\\no Guest WLAN architectures (Anchor WLC, Web Auth)\\\\r\\\\no AP modes (Local, FlexConnect, Mobility Express)\\\\r\\\\n________________________________________\\\\r\\\\nRouting, Switching & Integration\\\\r\\\\n• Strong expertise in:\\\\r\\\\no BGP, OSPF, EIGRP\\\\r\\\\n• Advanced switching concepts:\\\\r\\\\no VLANs, STP, VTP, EtherChannel, Stack, VSS\\\\r\\\\no HSRP, VRRP (High Availability)\\\\r\\\\n• Integration across:\\\\r\\\\no Cisco Catalyst (9300), ISR 4000 series\\\\r\\\\no Juniper EX/SRX (Mist-integrated environments)\\\\r\\\\n________________________________________\\\\r\\\\nOperations, Tools & Automation\\\\r\\\\n• Expertise in:\\\\r\\\\no Cisco Prime (templates, heatmaps, reporting, OVA deployment)\\\\r\\\\no Mist Cloud / Aruba Central (operational awareness)\\\\r\\\\n• Strong troubleshooting across:\\\\r\\\\no DHCP, DNS, SNMP, NTP, FTP, TFTP\\\\r\\\\n• Drive structured documentation:\\\\r\\\\no HLD, LLD, SOPs, Runbooks\\\\r\\\\no Network topology using Visio\\\\r\\\\n________________________________________\\\\r\\\\nLeadership & Consulting Expectations (L3 Band)\\\\r\\\\n• Lead technical design authority for wireless and network solutions\\\\r\\\\n• Mentor L1/L2 engineers and review their deliverables\\\\r\\\\n• Drive customer confidence through solution ownership and expertise\\\\r\\\\n• Provide proactive recommendations for optimization and transformation\\\\r\\\\n• Handle critical escalations and RCA (Root Cause Anal

Information at a Glance

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At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 227,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, 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 March 2026 totaled $14.7 billion.