{"id":3482528,"url":"https://alion.io/job/hcltech-senior-administrator-network-lanwan-17","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":["Nagpur, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":15500,"max_usd":37000,"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":"BGP","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"Incident Management","optional":false},{"name":"OSPF","optional":false},{"name":"TCP/IP","optional":false},{"name":"VLAN","optional":false}],"status":"live","first_seen_at":"2026-10-29T20:33:05Z","employer_posted_date":"2026-10-29","last_verified_at":"2026-11-03T15:12:15Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Job Summary\nNetwork Data L2 Engineer with 6+ years of relevant experience in LAN/Switch management. Responsible for configuration, administration, troubleshooting, incident resolution, network changes, performance monitoring, and RCA support for enterprise LAN infrastructure within defined SLAs.\nKey Responsibilities\nManage and troubleshoot LAN switches, VLANs, trunks, ports, and network connectivity.\nTroubleshoot STP, EtherChannel, VLAN, routing, latency, packet loss, and performance issues.\nPerform switch configuration, upgrades, and approved network changes.\nHandle L2 incidents/service requests and provide technical support to L1 engineers.\nAnalyze monitoring alerts and proactively identify network issues.\nPerform RCA for recurring/escalated incidents and recommend corrective actions.\nCoordinate with L3, security, server, application, and vendor teams for complex issues.\nMaintain network documentation, configurations, SOPs, and knowledge articles.\nSupport 24x7 rotational/on-call operations as required.\nSkill Requirements\nStrong knowledge of TCP/IP, OSI, Ethernet and LAN technologies.\nHands-on knowledge of VLAN, VTP, STP/RSTP, Trunking and EtherChannel.\nGood understanding of IPv4, subnetting, static routing, OSPF and BGP concepts.\nHands-on experience with Cisco or equivalent enterprise switches.\nTroubleshooting knowledge of DNS, DHCP, SNMP and network connectivity.\nExperience with network monitoring and diagnostic tools.\nUnderstanding of ACLs and network security concepts.\nGood incident management, RCA, troubleshooting, communication, and documentation skills.\nCCNA or equivalent certification/knowledge preferred.\nOther Requirements\nNA","description_format":"text","description_chars":1663,"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 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