Network Engineer

Job Profile - Network Engineer L1 Location: - Chennai Level: - L1 Engineer Shift : Flexible to work in US timings Job Description: Ø Troubleshoot/Diagnose all Level 1 issues from the customers and driving satisfactory resolution of the issues. Ø Troubleshoot Product, Codes and Configuration issues Ø Ensure consistent customer satisfaction Ø Document all communication with customers in the CRM Ø Interface with international customers Ø Timely handoff (escalation) of cases that require technical or political to L2/L3 TAC Primary Skills: Ø OSI layers – detailed understanding of each layer’s function and relevant protocols that operates at each level Ø TCP/IP – thorough understanding and clear explanation about windowing/handshake mechanism Ø MAC header structure and use of each fields Ø IP header structure and use of each fields Ø ARP – how ARP works in a Layer 2 and Layer 3 communication Ø Mac address table fields and how a switch uses MAC table for switching decisions Ø ARP table and how a switch uses ARP table Ø Routing Table fields and how a Router uses routing table for routing decisions Ø DHCP protocol messages (clear understanding of DORA process) Ø DHCP operation in layer 2 and layer 3 scenarios (server & client in same vlan or different VLAN) Ø thorough understanding of Broadcast domain and Collision Domain Ø thorough understanding of Unicast, Multicast and Broadcast traffic Ø thorough understanding of Subnetting, Vlan, VTP, 802.1q, STP, Linkage Ø thorough understanding of RIP (version 1 and 2) and OSPF (link states, LSA types, area types, router types, neighbor communication) Ø Difference between Routing and Routed protocols Ø Good troubleshooting approach (from Level 1 to 7 of OSI)