Key ResponsibilitiesNetwork Operations & SupportMonitor and support enterprise LAN, WAN, Wireless, and SD-WAN environments.Perform basic configuration, troubleshooting, and maintenance of Cisco routers and switches.Support Layer 2 and Layer 3 technologies including:VLANsSTP/RSTPTrunkingEtherChannelOSPFEIGRPBGP (basic support)Carry out switch port configurations, VLAN assignments, and connectivity troubleshooting.Assist in network device installation, upgrades, and configuration changes.Wireless & SD-WAN SupportSupport Cisco Wireless infrastructure and Cisco WLC 9800 controllers.Monitor and troubleshoot enterprise Wi-Fi connectivity issues.Provide operational support for Cisco Meraki devices:MX Security AppliancesMS SwitchesMR Access PointsAssist with SD-WAN monitoring and incident resolution.Security & Access ControlAssist in managing Palo Alto PA-1140 and Cisco firewall environments.Support firewall implementation and connectivity troubleshooting.Monitor and support Cisco ISE and NAC solutions.Assist with Zscaler ZIA and ZPA incident handling and user access issues.Follow security policies and procedures to maintain network compliance.Monitoring & Incident ManagementMonitor network infrastructure using Zabbix and other monitoring platforms.Perform first-level troubleshooting for network alerts and incidents.Handle service requests, incidents, and escalations within SLA targets.Participate in P2, P3, and P4 incident resolution activities.Escalate critical issues to L2/L3 teams with proper diagnostic information.Maintain incident records and update ticketing systems regularly.Change & Operational SupportExecute approved network changes under guidance from senior engineers.Support patching, device upgrades, and routine maintenance activities.Maintain network documentation, inventory records, and standard operating procedures.Participate in planned maintenance and weekend activities as required.CollaborationWork closely with Service Desk, Security, Server, Cloud, and Application teams.Coordinate with vendors for issue resolution and hardware replacement.Contribute to knowledge-sharing sessions and team training initiatives.Technical Skills RequiredRouting & SwitchingVLANsSTP, RSTPTrunkingEtherChannelBasic OSPF, EIGRP, BGP knowledgeCisco Catalyst 9300 SeriesWireless & SD-WANCisco WLC 9800Cisco Enterprise WirelessCisco Meraki MX, MS, MRSD-WAN FundamentalsSecurityPalo Alto PA-1140 FirewallCisco FirewallsCisco ISE & NACZscaler ZIA/ZPABasic Network Security ConceptsMonitoring & Troubleshooting ToolsZabbixWiresharkNmapCisco Packet TracerNetwork ManagementCisco Catalyst Center (Cisco DNA Center)Network Monitoring and ReportingITIL ProcessesIncident ManagementChange ManagementService Request Management
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