Hiring For L1 TAC Network Engineer (Candidates having 16 years of relevant experience into Networking can apply)
Job Profile: Network Engineers- TAC Level - L1 Engineer Location: Ambit IT Park, Chennai Added Advantage: CCNA Trained/Certified Role: Permanent role Shift: 24/7 Rotational including Night shifts
Job Description
Troubleshoot/Diagnose all Level 1/2 issues from the customers and driving satisfactory resolution of the issues
Troubleshoot Product, Codes and Configuration issues
Ensure consistent customer satisfaction
Document all communication with customers in the CRM
Interface with international customers
Timely handoff (escalation) of cases that require technical or political to L2/L3 TAC
Roles And Responsibilities
OSI layers detailed understanding of each layers function and relevant protocols that operate at each level
TCP/IP thorough understanding and clear explanation about windowing/handshake mechanism *MAC header structure and use of each field
IP header structure and use of each field
ARP how ARP works in a Layer 2 and Layer 3 communication
Mac address table fields and how a switch uses MAC table for switching decisions
ARP table and how a switch uses ARP table
Routing Table fields and how a Router uses routing table for routing decisions
DHCP protocol messages (a clear understanding of DORA process)
DHCP operation in layer 2 and layer 3 scenarios (server & client in same VLAN or different VLAN) *Thorough understanding of Broadcast domain and Collision Domain
Thorough understanding of Unicast, Multicast and Broadcast traffic
Thorough understanding of Subnetting, Vlan, VTP, 8021q, STP, Linkage
Thorough understanding of RIP (version 1 and 2) and OSPF (link states, LSA types, area types, router types, neighbor communication)
Difference between Routing and Routed protocols Good troubleshooting approach (from Level 1 to 7 of OSI)
