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Network & Security - L3

Tata Consultancy Services

2 - 5 years

Noida

Posted: 18/03/2026

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Job Description

Role: Network & Security - L3

Exp: 8 to 10 yrs

Location: Noida/Gurugram

Implementing and configuration of Wireless Access points, NAC, Handson Cisco Switching and routing, P2p Links & Internet links Firewall management and access related issues of ACL, NAT, and VPN Fortinet & Palo-Alto Router and Switches management and upgradation. Troubleshooting NAC related issues. Wireless LAN controller management and troubleshooting wireless network connectivity. Configuring redundant network using protocols HSRP, BGP and static routing. Implement VLANs, QoS policies, and network segmentation Addressing the vulnerability and bridge the gaps. Good hands-on experience on network security devices firewall, IPS/IDS Good understanding of switching concepts VLAN/VTP/STP/ QoS/Ether-channel/redundancy protocols Good hands on experience in Load balancers . Knowledge on Wireless LAN, WLC & ACS , Remote access VPN, Should have capability to identify and isolate network fault and take up with respective OEMs. Control on written and oral communication. Implementing and configuration of Wireless Access points, NAC. Handson Cisco Switching and routing, P2p Links & Internet links Firewall management and access related issues of ACL, NAT, and VPN Fortinet & Palo-Alto Router and Switches WLC ISE SDWAN. Troubleshooting NAC related issues. Wireless LAN controller management and troubleshooting wireless network connectivity, Configuring redundant network using protocols HSRP, BGP and static routing. Implement VLANs, QoS policies, and network segmentation Addressing the vulnerability and bridge the gaps. Good hands on experience on network security devices firewall, IPS/IDS Good understanding of switching concepts VLAN/VTP/STP/ QoS/Ether-channel/redundancy protocols Good hands on experience in Load balancers . Knowledge on Wireless LAN, WLC & ACS , Remote access VPN, Should have capability to identify and isolate network fault and take up with respective OEMs. Control on written and oral communication.

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