Network Engineer L1 @ Terralogic Software

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

Interface with international customers

Timely handoff (escalation) of cases that require technical or political to L1/L2 TAC

Primary Skills:

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, 802.1q, 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).

Employement Category:

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Keyskills:   vlan routers networking ospf border gateway protocol switching