SME - Wireless Networking
India
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Job Description
SME - Wireless Networking
Chennai, Tamil Nadu

Job Summary

Job Summary : we need to have SME who is good in Network Data and F5 Load balancer and - Web Feature Service The L3 Network Engineer will be responsible for the advanced design, implementation, and support of a complex enterprise network infrastructure. This includes handling the most challenging network issues and providing expert-level guidance across core LAN/WAN, software-defined networking (SD-WAN), wireless, data center, and network security technologies. The candidate will serve as a subject-matter expert, working closely with engineering and architecture teams to ensure the network is robust, secure, and highly available. Job Description : Job Description\\\\r\\\\nThe L3 Network Engineer will be responsible for the advanced design, implementation, and support of a complex enterprise network infrastructure. This includes handling the most challenging network issues and providing expert-level guidance across core LAN/WAN, software-defined networking (SD-WAN), wireless, data center, and network security technologies. The candidate will serve as a subject-matter expert, working closely with engineering and architecture teams to ensure the network is robust, secure, and highly available.\\\\r\\\\n\\\\r\\\\nKey responsibilities\\\\r\\\\nCore network (LAN/WAN)\\\\r\\\\n• Lead the design and implementation of Cisco LAN/WAN technologies, including routing and switching protocols like BGP, OSPF, EIGRP, and MPLS.\\\\r\\\\n• Serve as the final point of escalation for complex LAN/WAN issues, performing advanced packet analysis and deep-dive troubleshooting.\\\\r\\\\n• Develop and maintain documentation for network architecture, design, and operational procedures. \\\\r\\\\nWireless\\\\r\\\\n• Manage and troubleshoot Cisco and Meraki wireless solutions, including wireless LAN controllers (WLCs), access points, and the Meraki dashboard.\\\\r\\\\n• Diagnose complex wireless connectivity and performance issues, ensuring seamless roaming and robust RF performance.\\\\r\\\\n• Design and deploy new wireless networks and manage wireless security policies and configurations. \\\\r\\\\nSD-WAN (Viptela)\\\\r\\\\n• Design, implement, and maintain Cisco SD-WAN environments, specifically using the Viptela platform (vManage, vSmart, vBond, vEdge/cEdge).\\\\r\\\\n• Develop and manage SD-WAN policies for application-aware routing and traffic engineering.\\\\r\\\\n• Troubleshoot complex overlay and underlay connectivity issues in a multi-cloud and multi-transport environment. \\\\r\\\\nData center networking (Nexus/ACI)\\\\r\\\\n• Serve as a subject-matter expert for Cisco Nexus switches and the Application Centric Infrastructure (ACI) fabric.\\\\r\\\\n• Perform advanced troubleshooting within the ACI fabric, including policy enforcement, endpoint learning, and L2/L3 configurations.\\\\r\\\\n• Manage the APIC controllers and the Leaf-Spine architecture. \\\\r\\\\nNetwork security (Cisco ISE)\\\\r\\\\n• Administer and troubleshoot Cisco Identity Services Engine (ISE) for network access control (NAC).\\\\r\\\\n• Develop and enforce security policies for wired and wireless networks using 802.1X, MAB, and guest access features.\\\\r\\\\n• Integrate ISE with other security tools and troubleshoot authentication, authorization, and accounting (AAA) issues. \\\\r\\\\nLoad balancing (F5 LTM)\\\\r\\\\n• Manage and troubleshoot F5 Local Traffic Manager (LTM) devices for application delivery and traffic optimization.\\\\r\\\\n• Configure and maintain virtual servers, pools, and iRules to manage application traffic.\\\\r\\\\n• Perform advanced health monitoring and troubleshoot complex load balancing issues. \\\\r\\\\n__

Key Responsibilities

Job Responsibilities : Core network (LAN/WAN) • Lead the design and implementation of Cisco LAN/WAN technologies, including routing and switching protocols like BGP, OSPF, EIGRP, and MPLS. • Serve as the final point of escalation for complex LAN/WAN issues, performing advanced packet analysis and deep-dive troubleshooting. • Develop and maintain documentation for network architecture, design, and operational procedures. Wireless • Manage and troubleshoot Cisco and Meraki wireless solutions, including wireless LAN controllers (WLCs), access points, and the Meraki dashboard. • Diagnose complex wireless connectivity and performance issues, ensuring seamless roaming and robust RF performance. • Design and deploy new wireless networks and manage wireless security policies and configurations. SD-WAN (Viptela) • Design, implement, and maintain Cisco SD-WAN environments, specifically using the Viptela platform (vManage, vSmart, vBond, vEdge/cEdge). • Develop and manage SD-WAN policies for application-aware routing and traffic engineering. • Troubleshoot complex overlay and underlay connectivity issues in a multi-cloud and multi-transport environment. Data center networking (Nexus/ACI) • Serve as a subject-matter expert for Cisco Nexus switches and the Application Centric Infrastructure (ACI) fabric. • Perform advanced troubleshooting within the ACI fabric, including policy enforcement, endpoint learning, and L2/L3 configurations. • Manage the APIC controllers and the Leaf-Spine architecture. Network security (Cisco ISE) • Administer and troubleshoot Cisco Identity Services Engine (ISE) for network access control (NAC). • Develop and enforce security policies for wired and wireless networks using 802.1X, MAB, and guest access features. • Integrate ISE with other security tools and troubleshoot authentication, authorization, and accounting (AAA) issues. Load balancing (F5 LTM) • Manage and troubleshoot F5 Local Traffic Manager (LTM) devices for application delivery and traffic optimization. • Configure and maintain virtual servers, pools, and iRules to manage application traffic. • Perform advanced health monitoring and troubleshoot complex load balancing issues.

Skill Requirements

Skill Requirement : Data center networking (Nexus/ACI) • Serve as a subject-matter expert for Cisco Nexus switches and the Application Centric Infrastructure (ACI) fabric. • Perform advanced troubleshooting within the ACI fabric, including policy enforcement, endpoint learning, and L2/L3 configurations. • Manage the APIC controllers and the Leaf-Spine architecture. Network security (Cisco ISE) • Administer and troubleshoot Cisco Identity Services Engine (ISE) for network access control (NAC). • Develop and enforce security policies for wired and wireless networks using 802.1X, MAB, and guest access features. • Integrate ISE with other security tools and troubleshoot authentication, authorization, and accounting (AAA) issues. Load balancing (F5 LTM) • Manage and troubleshoot F5 Local Traffic Manager (LTM) devices for application delivery and traffic optimization. • Configure and maintain virtual servers, pools, and iRules to manage application traffic. • Perform advanced health monitoring and troubleshoot complex load balancing issues

Other Requirements

Other Requirement : we need to have SME who is good in Network Data and F5 Load balancer and - WFS
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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 226,300 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 December 2025 totaled $14.5 billion.
23 Benefits At HCLTech, we believe in empowering our employees with comprehensive benefits that support their professional growth and enhance their well-being. When you sign up for a career with us, you gain access to: https://rmkcdn.successfactors.com/147eb21f/a701dca9-f32d-4fc9-9447-6.svg Industry-benchmarked compensation https://rmkcdn.successfactors.com/147eb21f/b0c54381-ddcc-4a33-9b35-9.svg Best-in-class healthcare benefits https://rmkcdn.successfactors.com/147eb21f/b73027be-7aae-4d36-a090-4.svg Personal time off https://rmkcdn.successfactors.com/147eb21f/d5b4fdfd-2e99-4e26-9878-9.svg Maternity and paternity benefits https://rmkcdn.successfactors.com/147eb21f/3d42b0fc-4652-435a-9ece-c.svg Access to skills / higher education programs/resources https://rmkcdn.successfactors.com/147eb21f/aeddeaf2-9e25-4584-ad11-d.svg Discounts on products and services via Benefit Box https://rmkcdn.successfactors.com/147eb21f/a9609a3b-2700-4b3c-9d90-a.svg Participate in CSR programs and live life with a purpose https://rmkcdn.successfactors.com/147eb21f/c6e33851-710f-4634-bd69-f.svg Opportunities to grow and advance your career Note: The benefits listed above vary depending on the nature of your employment and the country where you work. Some benefits may be available in some countries but not in all.