Network Administrator

TCS has been a great pioneer in feeding the fire of Young techies like you. We are global leaders in the technology arena and there's nothing that can stop us from growing together.

TCS Hiring for skill " Administrator / Forescout ".

Role : Network Administrator

Required Technical Skill Set : Forescout Administration

Experience : 5-8 years

Work Location : Kolkata, Kochi, Bangalore or Hyderabad.

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 :

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

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

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.

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.

VPN Plug-in Configuration : Configure VPN plugin to help identify and validate devices connecting via VPN.

Note : Applications will be shortlisted based upon response received & Eligibility criteria.