Network Engineer

3 days ago

Chennai, Tamil Nadu, India Movate Full time

Warm greetings from Movate, Chennai

We are hiring for TAC_Network Engineer_Chennai_Ambit IT Park

Only Immediate Joiners to 15 days notice can apply

Interested candidates Inbox your resumes to

Years: 1 - 6(Min 1 year of exp is mandate)

Role: L1 Engineer

Location: Chennai (Ambit IT Park)

Job Profile : Network Engineer

Shift : Flexible to work in Rotational Night Shift

Work Model : Work from office

Key Skills : Networking, Routing, Switching, DHCP, DNS, Technical Support, Network Support

Education : Min 3yrs Diploma/Degree Mandatory

Looking for Immediate joiners only.

Job Responsibility:

  • Troubleshoot/Diagnose all Level 1 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 (via Phone Support)
  • Timely handoff (escalation) of cases that require technical or political to L2 TAC

Primary Skills:

  • OSI layers – detailed understanding of each layer's function and relevant protocols that operates at each level
  • TCP/IP – thorough understanding and clear explanation about windowing/handshake mechanism
  • MAC header structure and use of each fields
  • IP header structure and use of each fields
  • 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 (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)
  • How ARP learns the mac address in same subnet and different subnet
  • Difference between hub,layer2 switch and layer 3 switch and router
  • DHCP DORA process sender IP,mac and port number and destination IP,mac and port number
  • OSI: how to troubleshoot in network with help of OSI model.
  • Data link header
  • Ip header
  • TCP header

Look into Wireshark capture

1:ARP learning process and it's flavour

2:How switch learns the mac address

3: DHCP server and Client communication in same network and different network

4:OSI headers

Protocol and port number working

OSI layer model and its learning of encapsulation and decapsulation

5: IP Addressing and Subnetting

6: Difference between layer two and three switch

Thanks,

Deepu

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