{"id":3341931,"url":"https://alion.io/job/hcltech-senior-administrator-network-lanwan-13","title":"Senior Administrator - Network LAN/WAN","company":{"id":225,"name":"HCLTech","domain":"hcltech.com","url":"https://alion.io/company/hcltech","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Noida, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":14000,"max_usd":33000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":731},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"TCP/IP","optional":false},{"name":"VLAN","optional":false},{"name":"Wi-Fi","optional":false}],"status":"live","first_seen_at":"2026-10-27T15:50:01Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-10-30T06:31:51Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Job Summary\nNetwork 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.\nKey Responsibilities\nManage and troubleshoot Wireless LAN Controllers (WLC) and Wireless Access Points (WAP/AP).\nConfigure and support WLANs, SSIDs, RF parameters, AP groups, and wireless policies.\nTroubleshoot wireless connectivity, authentication, roaming, interference, coverage, latency, and performance issues.\nMonitor WLC/WAP health, utilization, client connectivity, and wireless performance.\nPerform WLC/AP configuration changes, firmware/software upgrades, and post-change validation.\nTroubleshoot integration with RADIUS/AAA, DHCP, DNS, VLANs, and LAN switching.\nHandle L2/L3 escalations and support major wireless incidents.\nPerform RCA for recurring wireless issues and recommend corrective actions.\nCoordinate with LAN, security, infrastructure, OEM/vendor, and field/site teams.\nMaintain configurations, SOPs, technical documentation, and knowledge articles.\nSupport 24x7/on-call operations for critical incidents as required.\nSkill Requirements\nStrong hands-on knowledge of enterprise Wireless LAN, WLC, and Access Point management.\nGood understanding of 802.11 standards, RF fundamentals, channels, interference, and roaming.\nHands-on experience managing Cisco Wireless or equivalent enterprise wireless platforms.\nKnowledge of WLAN/SSID, VLAN mapping, DHCP, DNS, TCP/IP, and switching.\nExperience troubleshooting wireless authentication, RADIUS/AAA, and 802.1X.\nKnowledge of wireless monitoring, performance analysis, and diagnostic tools.\nGood understanding of high availability, controller/AP upgrades, and change management.\nStrong incident troubleshooting and Root Cause Analysis (RCA) skills.\nGood communication, technical documentation, and stakeholder coordination skills.\nCCNA/CCNP Enterprise or equivalent wireless networking knowledge preferred.\nOther Requirements\nNA","description_format":"text","description_chars":2160,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Enterprise Networks","Cybersecurity","Professional Services","Science & Engineering"],"lifecycle":[{"event":"open","at":"2026-10-27T15:50:01Z"}],"visa":[],"liveness":{"score":99,"band":"hot","label":"Hiring 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