Network Administrator

Provide Level 2 operational support for Arista-based LAN and data center networks Troubleshoot Layer 1Layer 2 issues (ports, VLANs, trunks, STP, MLAG)Monitor network health using Arista EOS CLI, SNMP, syslog, and monitoring tools Support Spine Leaf fabric operations (leaf connectivity, uplinks, ECMP verification)Perform configuration changes under change management (VLANs, port profiles, interface configs)Assist in incident resolution and RCA preparation Escalate complex issues to L3 with proper logs, packet captures, and diagnostics Maintain network documentation (topology diagrams, configurations, SOPs)Support firmware upgrades, switch replacements (RMA), and patching activities Required Technical Skills25 years of experience in LANData Center Network SupportHands-on experience with Arista switches and EOSStrong understanding of oEthernet fundamentalsoVLANs, Trunking (802.1Q)oSTP (RSTPMSTP)oMLAG fundamentalsKnowledge of SpineLeaf architecture basics oLeafspine rolesoEastwest traffic conceptsBasic understanding of oLACPoBGP fundamentals (operational awareness)Experience with oCLI troubleshootingoLog analysisoPacket captures (tcpdump, SPAN).A Network Switching job generally involves the installation, configuration, maintenance, and troubleshooting of network switching systems, ensuring efficient data transfer within an organization. This role often includes working with Layer 2 and Layer 3 switches, implementing VLANs, spanning-tree protocols, and port security. Specific tasks may include optimizing routing tables, configuring dynamic routing protocols like OSPF, BGP, and EIGRP, and ensuring network security and performance. Heres a more detailed breakdown of typical responsibilities:Core Responsibilities:Installation and Configuration:Setting up and configuring network switches, including hardware and software, to meet organizational needs. Maintenance and Troubleshooting:Ensuring the smooth operation of the network by identifying and resolving issues, both hardware and software related. Network Security:Implementing and maintaining security policies, including firewall settings, and monitoring access to network resources. Routing Protocols:Configuring and optimizing dynamic routing protocols to ensure efficient data flow. Switching Technologies Implementing and managing Layer 2 and Layer 3 switches, including VLANs and spanning-tree protocols.