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1 Day ago

Network Administrator

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Chennai, Tamil Nadu, India
Information Technology
Full-Time
Excelencia Itech Consulting Pvt Ltd

Overview

Job Information

    Job Type

    Permanent

    Date Opened

    09/05/2025

    Work Shift

    US Shift

    Work Experience

    4 - 5 years

    Industry

    IT Services

    Work Location

    Chennai - OMR

    State/Province

    Tamil Nadu

    City

    Mambalam

    Zip/Postal Code

    600113

    Country

    India

Job Description

Role: Network Admin


We are looking for a Network Administrator to maintain, upgrade and manage the Network Infrastructure.


4 to 5 years of experience in Network Infrastructure Support.


Netops JOB DESCRIPTION:


  • Troubleshoot/Diagnose network issues and driving a resolution of the issues.

  • Interact with international team and customers, to ensure consistent customer satisfaction.


Strong Knowledge in Palo Alto Build activities.


  • Working knowledge of routing protocols OSPF, BGP, LSP and IPSEC VPN, OpenVPN, MPLS-VPNs (L3 and L2 VPNs) and other VPNs.

  • Working knowledge of Switching techniques: VLAN, VTP, STP, ISL / Ether-Channel Good understanding of OSI Layer 1 and 2 protocols

  • Good understanding of and Practical Experience in Wide Range of Juniper products like SRX 300,320,340,345,550,1500 and PA Firewalls

  • Good knowledge in ARP, PING, TRACEROUTE, DNS, DHCP

  • In-depth knowledge and practical understanding of Networking concepts OSI, TCP and IP related L3 protocols (DNS, DHCP, IP, ARP, ICMP, TCP, UDP, SNMP, FTP, TFTP)

  • Solid understanding and troubleshooting skills in IPsec VPN technologies, Clustering and High Availability(HA) concepts on both firewall and switch.

  • F5 load Balancers LTM/GTM Configuration/deployment/Upgrade and troubleshooting.

  • Ability to understand and troubleshoot various network problems using utilities like nslookup, traceroute, ping, net stat and packet sniffers like wire shark, tcp dump.

  • Good Practical experience in understating and troubleshooting Network Security and related Technologies

  • Should have strong knowledge on various attacks like SYN flood, Replay attacks etc and the mitigation techniques

  • Fundamental of Firewalls -SRX/SSG/ASA/Palo Alto/Proxies Technologies

  • Basic awareness of IT management tools/network monitoring tools

  • Open to work 24x7 (Including night shift)


Requirement:


  • Experience in handling Juniper, Palo Alto, Cisco and F5 load balancers.

  • Willingness to work in regular US time zone

  • CCNA /CCNP, JNCIA certification is an added advantage.

  • Good Knowledge & experience in Routers and Switches (Juniper, Cisco, PA).

  • Experience in being part of and managing a 24x7 onsite-offshore operation, including but not limited to, shift


hand-over, operational advice, guidance, support and escalation


  • Experience in a technical support environment working with Cisco products

  • Hands on experience for network troubleshooting in WAN environment

  • Working experience on MPLS, Multicast, BGP, OSPF, LSP, L2VPN, L3VPN, VLAN, STP, VRRP, RSVP,


BFD and switching technologies.


  • Work with various teams to resolve escalated circuit problems to resolution

  • Hands-on experience with monitoring, network diagnostic and network analytics tool


Requirements

Role: Network Admin


We are looking for a Network Administrator to maintain, upgrade and manage the Network Infrastructure.


4 to 5 years of experience in Network Infrastructure Support.


Netops JOB DESCRIPTION:


  • Troubleshoot/Diagnose network issues and driving a resolution of the issues.

  • Interact with international team and customers, to ensure consistent customer satisfaction.


Strong Knowledge in Palo Alto Build activities.


  • Working knowledge of routing protocols OSPF, BGP, LSP and IPSEC VPN, OpenVPN, MPLS-VPNs (L3 and L2 VPNs) and other VPNs.

  • Working knowledge of Switching techniques: VLAN, VTP, STP, ISL / Ether-Channel Good understanding of OSI Layer 1 and 2 protocols

  • Good understanding of and Practical Experience in Wide Range of Juniper products like SRX 300,320,340,345,550,1500 and PA Firewalls

  • Good knowledge in ARP, PING, TRACEROUTE, DNS, DHCP

  • In-depth knowledge and practical understanding of Networking concepts OSI, TCP and IP related L3 protocols (DNS, DHCP, IP, ARP, ICMP, TCP, UDP, SNMP, FTP, TFTP)

  • Solid understanding and troubleshooting skills in IPsec VPN technologies, Clustering and High Availability(HA) concepts on both firewall and switch.

  • F5 load Balancers LTM/GTM Configuration/deployment/Upgrade and troubleshooting.

  • Ability to understand and troubleshoot various network problems using utilities like nslookup, traceroute, ping, net stat and packet sniffers like wire shark, tcp dump.

  • Good Practical experience in understating and troubleshooting Network Security and related Technologies

  • Should have strong knowledge on various attacks like SYN flood, Replay attacks etc and the mitigation techniques

  • Fundamental of Firewalls -SRX/SSG/ASA/Palo Alto/Proxies Technologies

  • Basic awareness of IT management tools/network monitoring tools

  • Open to work 24x7 (Including night shift)


Requirement:


  • Experience in handling Juniper, Palo Alto, Cisco and F5 load balancers.

  • Willingness to work in regular US time zone

  • CCNA /CCNP, JNCIA certification is an added advantage.

  • Good Knowledge & experience in Routers and Switches (Juniper, Cisco, PA).

  • Experience in being part of and managing a 24x7 onsite-offshore operation, including but not limited to, shift


hand-over, operational advice, guidance, support and escalation


  • Experience in a technical support environment working with Cisco products

  • Hands on experience for network troubleshooting in WAN environment

  • Working experience on MPLS, Multicast, BGP, OSPF, LSP, L2VPN, L3VPN, VLAN, STP, VRRP, RSVP,


BFD and switching technologies.


  • Work with various teams to resolve escalated circuit problems to resolution

  • Hands-on experience with monitoring, network diagnostic and network analytics tool

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