Network Administrator
3 hours ago
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.
- Experience with 802.1X/NAC, DHCP, HTTPS, TCP, Netscout, Radius, etc. and access control policy development and management and device remediation
- Experience with IOT and BYOD device access policy controls
- Very good communication skill.
5.Flexible in 24*7 client support
Good-to-Have:-
- Additional certification in any network technology (CCNA, CCNP)
- Experience in automation, AI/ML technologies
Responsibility of / Expectations from the Role :-
- 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.
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