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SME - Wireless Networking

Sri Lanka

Job Description

SME - Wireless Networking

Colombo, Western

Job Summary

Plays a leading role in supporting all network infrastructure operations across multiple technology domains (Data, , and network applications). This includes advanced technical diagnostics and execution of complex changes. Provide expert / advanced level troubleshooting to resolve complex network and voice Incidents. Oversee and technically drive network Pri1's and critical issues within shift to ensure the Managed Service Provider is restoring service as quickly and efficiently as possible. Ensure Incident Management is achieving the goal of quick and efficient restoration of services. . Responsible for Operational Continuous Improvement (reviewing logs, configurations, tools, analytic data, etc.) to continually improve the reliability of the JNJ network. Ensure best in class network performance through proactive and predictive network monitoring and controls. This individual will utilize operational technologies and tools to prevent network outages. This includes providing feedback to engineering and deployment teams for continual improvement / DevOps Provide input to design changes to enhance availability, capacity and performance

Key Responsibilities

10+ years of experience with an MSP, ISP, major carrier, or very large enterprise network Expert level at troubleshooting and diagnostics. Able to perform (advanced level) configuration, testing, and troubleshooting of IP network infrastructure. Ability to configure / implement complex network changes Strong and broad technical knowledge and experience with converged infrastructure, switching / routing in a large and complex network, DHCP, DNS, IP (Schema, subnetting, summarization) IP management tools, network management applications, advanced WAN routing, WAN/LAN/Wireless LAN topologies, MPLS and other WAN technologies, , traffic shaping / QoS, EIGRP/BGP, multimedia/VoIP solutions (SIP), firewalls, Strong to expert knowledge of Routing and Switching systems; strong understanding of Routing Protocols (OSPF, EIGRP, and BGP) and Gateway Redundancy Protocols (HSRP, VRRP, and GLRP) Strong knowledge of VoIP, Multicast, STP, VTP and Virtual LAN's and Trunking (VLAN's); Network Security (ACL's, IPSec Tunnels), Firewalls (Security Appliances), Netflow, IPSLA, and VPN technologies Excellent written and oral communication skills Ability to effectively prioritize and execute in a high-pressure environment Exceptional customer service orientation Extensive experience working in a team-oriented, collaborative environment

Skill Requirements

10+ years of experience with an MSP, ISP, major carrier, or very large enterprise network Expert level at troubleshooting and diagnostics. Able to perform (advanced level) configuration, testing, and troubleshooting of IP network infrastructure.



Ability to configure / implement complex network changes Strong and broad technical knowledge and experience with converged infrastructure, switching / routing in a large and complex network, DHCP, DNS, IP (Schema, subnetting, summarization) IP management tools, network management applications, advanced WAN routing, WAN/LAN/Wireless LAN topologies, MPLS and other WAN technologies, , traffic shaping / QoS, EIGRP/BGP, multimedia/VoIP solutions (SIP), firewalls, Strong to expert knowledge of Routing and Switching systems; strong understanding of Routing Protocols (OSPF, EIGRP, and BGP) and Gateway Redundancy Protocols (HSRP, VRRP, and GLRP) Strong knowledge of VoIP, Multicast, STP, VTP and Virtual LAN's and Trunking (VLAN's); Network Security (ACL's, IPSec Tunnels), Firewalls (Security Appliances), Netflow, IPSLA, and VPN technologies Excellent written and oral communication skills Ability to effectively prioritize and execute in a high-pressure environment Exceptional customer service orientation Extensive experience working in a team-oriented, collaborative environment

Other Requirements

10+ years of experience with an MSP, ISP, major carrier, or very large enterprise network Expert level at troubleshooting and diagnostics. Able to perform (advanced level) configuration, testing, and troubleshooting of IP network infrastructure. Ability to configure / implement complex network changes Strong and broad technical knowledge and experience with converged infrastructure, switching / routing in a large and complex network, DHCP, DNS, IP (Schema, subnetting, summarization) IP management tools, network management applications, advanced WAN routing, WAN/LAN/Wireless LAN topologies, MPLS and other WAN technologies, , traffic shaping / QoS, EIGRP/BGP, multimedia/VoIP solutions (SIP), firewalls, Strong to expert knowledge of Routing and Switching systems; strong understanding of Routing Protocols (OSPF, EIGRP, and BGP) and Gateway Redundancy Protocols (HSRP, VRRP, and GLRP) Strong knowledge of VoIP, Multicast, STP, VTP and Virtual LAN's and Trunking (VLAN's); Network Security (ACL's, IPSec Tunnels), Firewalls (Security Appliances), Netflow, IPSLA, and VPN technologies Excellent written and oral communication skills Ability to effectively prioritize and execute in a high-pressure environment Exceptional customer service orientation Extensive experience working in a team-oriented, collaborative environment

Information at a Glance

Why HCLTech?

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 223,000 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 June 2026 totaled $14.8 billion.

Copyright © 2026 HCL Technologies Limited

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📌 SME - Wireless Networking (India)
🏢 HCLTech
📍 India