SME Wireless Networking

Job description

The Network L3 Engineer is a senior technical role responsible for the design, implementation, optimization, and advanced troubleshooting of complex enterprise networks, including LAN, WAN, Data Center, SD‑WAN, and Wireless infrastructures. The role serves as the final escalation point for critical incidents and provides architectural guidance, root cause analysis, and continuous improvement initiatives. The position requires strong expertise in Cisco enterprise networking, including SD‑WAN, routing, switching, wireless, Cisco ACI, in large‑scale, highly available, converged environments supporting voice, video, and data traffic Key Responsibilities Advanced Operations & Escalation Support Act as the Level 3 escalation point for complex and high‑impact network incidents. Perform deep technical troubleshooting and root cause analysis (RCA) for recurring or major incidents across wired and wireless networks. Ensure network stability, performance, and availability while meeting SLA and business continuity requirements. Provide technical leadership and guidance to L1 and L2 teams, including troubleshooting support and knowledge transfer. Network Design & Architecture Design, review, and optimize enterprise campus, data center, WAN, and wireless network architectures. Lead architecture and deployment of: Cisco Wired & Wireless networks Cisco SD‑WAN (Viptela) Cisco ACI for data center networking Define standards for network scalability, resiliency, redundancy, and security. Routing, Switching & WAN Technologies Design, implement, and troubleshoot advanced routing and switching solutions using: BGP, OSPF, EIGRP MPLS (L2/L3 VPNs, WAN integration) STP, HSRP/VRRP, Multicast Lead optimization of QoS policies to support real‑time voice and video traffic. Architect high‑availability and load‑balancing solutions across campus and WAN infrastructures. Wireless Networking & DNAC Design, deploy, and support enterprise‑grade wireless networks, including: Cisco Wireless LAN Controllers (WLC) Lightweight Access Points Perform wireless site surveys, RF optimization, and capacity planning. Troubleshoot complex wireless issues related to: RF interference Roaming Authentication Performance and coverage Implement and manage Cisco DNA Center (DNAC) features such as: Network provisioning and automation Assurance and health monitoring Policy‑based segmentation (SD‑Access) Lead wired and wireless integration using DNAC‑driven workflows Skill Requirements Expert knowledge of OSI and TCP/IP models Advanced expertise in: BGP, OSPF, EIGRP, MPLS STP, HSRP/VRRP, Multicast QoS for converged networks Strong understanding of: Wireless LAN design and RF principles Cisco DNAC and SD‑Access Data center and enterprise campus networking Familiarity with network security integrations and policies Tools & Technologies Cisco ACI, SDWAN, DNAC NNMI Wireshark Cisco WLC and Access Points ITSM tools (Incident, Change, Problem Management) Other Requirements Soft Skills & Leadership Competencies Strong technical leadership and mentoring abilities Excellent communication with technical and non‑technical stakeholders Ability to work independently and with global, distributed teams Analytical mindset with proactive problem‑solving skills Maximum Salary (US): 115000 Minimum Salary (US): 110000 Apply now 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. Compensation and Benefits A candidate’s pay within the range will depend on their skills, experience, education, and other factors permitted by law. This role may also be eligible for performance-based bonuses subject to company policies. In addition, this role is eligible for the following benefits subject to company policies: medical, dental, vision, pharmacy, life, accidental death & dismemberment, and disability insurance; employee assistance program; 401(k) retirement plan; 10 days of paid time off per year (some positions are eligible for need-based leave with no designated number of leave days per year); and 10 paid holidays per year. Disclaimer Privacy Statement Terms of use Sitemap Raise a Grievance We use cookies on our site. Please read more about cookies policy here. Opens in a new tab. Opens in a new tab. Opens in a new tab. Opens in a new tab. Opens in a new tab. Opens in a new tab. Copyright © 2026 HCL Technologies Limited Cookie Consent Manager When you visit any website, it may store or retrieve information on your browser, mostly in the form of cookies. Because we respect your right to privacy, you can choose not to allow some types of cookies. 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