▷ [10/11/2025] Network Administrator

3 weeks ago

Greater Hyderabad Area, India Tata Consultancy Services Full time

Role : Network Administrator Required Technical Skill Set : Forescout Administration Experience : 5 to 8 years Location : Kolkata, Kochi, Bangalore or Hyderabad. Job Description : Must Have:- 1. L2/L3 Experience with complex, larger scale network endpoint secure connectivity and access control that spans both wired and wireless access control through Forescout. 2. Experience with 802.1X/NAC, DHCP, HTTPS, TCP, Netscout, Radius, etc. and access control policy development and management and device remediation 3. Experience with IOT and BYOD device access policy controls 4. Very good communication skill. 5.Flexible in 24*7 client support Good-to-Have:- 1. Additional certification in any network technology (CCNA, CCNP) 2. Experience in automation, AI/ML technologies Responsibility of / Expectations from the Role :- 1. Designing, configuring, and troubleshooting CounterAct. Switch Plug-in Optimization (wired):- - Align endpoint, L2, L3 association with same CounterACT appliance and Configure Connectivity Group - Re-valuate and re-configure polling Intervals for L2 and L3 switches and routers after configuring connectivity groups. - Validate and fix L2(MAC)/L3(ARP) Polling to ensure L3 devices are polled for ARP table, L2 devices only for MAC tables. Wireless Plug-in Configuration:- - Add any Wireless Controllers to the plugin - Align Wireless controllers with CounterACT appliance for polling. 2.Classification Policy:- Classification Sub-Rules creation and clean up based upon:- - Device type (Vendor, Model, OS etc.) - NIC - MAC - Authentication (MAB, dot1X etc.) Operation Technology (OT/iOT):- - NAT - Windows - Mobile Devices - Macintosh - Printers - VOIP - Headset (HaloLens, Meta Quest etc.) - Camera - Network Devices - Linux/Unix/AIX - Unclassified 3.Clarification Policy creation:- - OT/iOT Clarification Policy - Unclassified Clarification Policy - Validate comments in sub-rules - Remove initial implementation troubleshooting sub-rules (Port 22 open, netbios/DNS name, etc.) - Review and restructure Network Device Clarification Policy Control Policy Optimization:- - Create catch all buckets/sub-rules in each control policy. - Review and modify Exemption sub-rules in control policies. - Add secondary blocking action of Virtual Firewall, i.e., via Channels ingesting Network Tap traffic. - Review and re-configure recheck setting of control policy sub-rules based on Classification, Clarification and Discovery policy optimizations. 4.Operating System Changes: Policy to detect if a device changes OS fingerprint from one OS to another such as Windows to non-windows. - Windows Version Changed on a managed device. 5.VPN Plug-in Configuration: Configure VPN plugin to help identify and validate devices connecting via VPN.

  • ▷ (10/11/2025) Salesforce Administrator

    3 weeks ago

    Hyderabad, India Insight Global Full time

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    3 weeks ago

    Greater Hyderabad Area, India Tata Consultancy Services Full time

    Role : Network Administrator Required Technical Skill Set : Forescout Administration Experience : 5 to 8 years Location : Kolkata, Kochi, Bangalore or Hyderabad. Job Description : Must Have:- L2/L3 Experience with complex, larger scale network endpoint secure connectivity and access control that spans both wired and wireless access control through Forescout....

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    Greater Hyderabad Area, IN Tata Consultancy Services Full time

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    3 weeks ago

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    Greater Kolkata Area, India Tata Consultancy Services Full time

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