Senior Administrator Network LANWAN

Job description

Network Wireless L2.5 Engineer with 6+ years of relevant experience in enterprise wireless network operations, including WLC and Wireless Access Point management. Responsible for configuration, advanced troubleshooting, incident resolution, wireless performance analysis, network changes, RCA, and operational support of enterprise Wi-Fi infrastructure. Key Responsibilities Manage and troubleshoot Wireless LAN Controllers (WLC) and Wireless Access Points (WAP/AP). • Configure and support WLANs, SSIDs, RF parameters, AP groups, and wireless policies. • Troubleshoot wireless connectivity, authentication, roaming, interference, coverage, latency, and performance issues. • Monitor WLC/WAP health, utilization, client connectivity, and wireless performance. • Perform WLC/AP configuration changes, firmware/software upgrades, and post-change validation. • Troubleshoot integration with RADIUS/AAA, DHCP, DNS, VLANs, and LAN switching. • Handle L2/L3 escalations and support major wireless incidents. • Perform RCA for recurring wireless issues and recommend corrective actions. • Coordinate with LAN, security, infrastructure, OEM/vendor, and field/site teams. • Maintain configurations, SOPs, technical documentation, and knowledge articles. • Support 24x7/on-call operations for critical incidents as required. Skill Requirements Strong hands-on knowledge of enterprise Wireless LAN, WLC, and Access Point management. • Good understanding of 802.11 standards, RF fundamentals, channels, interference, and roaming. • Hands-on experience managing Cisco Wireless or equivalent enterprise wireless platforms. • Knowledge of WLAN/SSID, VLAN mapping, DHCP, DNS, TCP/IP, and switching. • Experience troubleshooting wireless authentication, RADIUS/AAA, and 802.1X. • Knowledge of wireless monitoring, performance analysis, and diagnostic tools. • Good understanding of high availability, controller/AP upgrades, and change management. • Strong incident troubleshooting and Root Cause Analysis (RCA) skills. • Good communication, technical documentation, and stakeholder coordination skills. • CCNA/CCNP Enterprise or equivalent wireless networking knowledge preferred. Other Requirements NA 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 230,000 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 September 2026 totaled $14.8 billion. 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. However, blocking some types of cookies may impact your experience of the site and the services we are able to offer. Required Cookies These cookies are required to use this website and can't be turned off. Required Cookies Required Cookies Provider Description Enabled SAP as service provider We use the following session cookies, which are all required to enable the website to function: "route" is used for session stickiness "careerSiteCompanyId" is used to send the request to the correct data center "JSESSIONID" is placed on the visitor's device during the session so the server can identify the visitor "Load balancer cookie" (actual cookie name may vary) prevents a visitor from bouncing from one instance to another Cookies from provider SAPasserviceprovider are required and cannot be turned off Functional Cookies These cookies provide a better customer experience on this site, such as by remembering your login details, optimizing video performance, or providing us with information about how our site is used. You may freely choose to accept or decline these cookies at any time. Note that certain functionalities that these third-parties make available may be impacted if you do not accept these cookies. Consent to all Functional Cookies Functional Cookies Provider Description Enabled Vimeo Vimeo is a video hosting, sharing, and services platform focused on the delivery of video. Opting out of Vimeo cookies will disable your ability to watch or interact with Vimeo videos. Cookie Policy Privacy Policy Terms and Conditions Consent to cookies from provider Vimeo YouTube YouTube is a video-sharing service where users can create their own profile, upload videos, watch, like, and comment on videos. Opting out of YouTube cookies will disable your ability to watch or interact with YouTube videos. Cookie Policy Privacy Policy Terms and Conditions Consent to cookies from provider YouTube Advertising Cookies These cookies serve ads that are relevant to your interests. You may freely choose to accept or decline these cookies at any time. Note that certain functionality that these third parties make available may be impacted if you do not accept these cookies. Consent to all Advertising Cookies Advertising Cookies Provider Description Enabled Google Analytics Google Analytics is a web analytics service offered by Google that tracks and reports website traffic. Cookie Information Privacy Policy Terms and Conditions Consent to cookies from provider GoogleAnalytics Google Tag Manager Google Tag Manager is a tag management system for conversion tracking, site analytics, remarketing, and more. Privacy Policy Terms and Conditions Consent to cookies from provider GoogleTagManager LinkedIn LinkedIn is an employment-oriented social networking service. We use the Apply with LinkedIn feature to allow you to apply for jobs using your LinkedIn profile. Opting out of LinkedIn cookies will disable your ability to use Apply with LinkedIn. Cookie Policy Cookie Table Privacy Policy Terms and Conditions Consent to cookies from provider LinkedIn