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Cisco Wireless Network Security

Tata Consultancy Services

7 - 10 years

Chennai

Posted: 21/02/2026

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Job Description

TCS Hiring !!!


Role: Cisco Wireless Network Security

Exp: 7-10 Years

Location: Chennai


JD

Must-Have

(Ideally should not be more than 10)

  • Solid expertise and documented experience in utilizing Cisco ASA versions 9.12, 9.16, 9.22, and 9.23, specifically with the ASA 5500-X series and ASA 5500 series.
  • In-depth understanding and established experience with Cisco FTD versions 6.4, 6.5, and 6.7, including the Firepower series models 1000, 2100, 3100, 4100, and 9300.
  • Focusing on the enhancement of URL filtering and the upgrade of Cisco firewalls.
  • Actively working on transitioning from Cisco ASA to Cisco FTD/Cisco CSF, including the configuration of User-ID, App-ID, and SSL Decryption.
  • Applied knowledge of dynamic NAT configurations and NAT port forwarding on CISCO ASA/FTD/CSF.
  • Set up and resolve issues related to Site-to-Site IKEv2 IPsec VPN configurations.
  • Diagnosis of packet drop problems and Decrypting & inspecting HTTP traffic on Cisco ASA/FTD/CSF devices.
  • Working knowledge on Cisco FMC features (Alerting, Logging, Reporting, and Dynamic objects).
  • Configure and troubleshooting of Clustering and high availability features on Cisco ASA and Cisco FTD.

Good-to-Have

  • Knowledge of multivendor security products (Palo Alto/Check Point/Fortinet)
  • Working knowledge on Routing and Switching.
  • Familiarity with cisco security (AWS/Azure) and SDWAN.
  • Knowledge of protocols including TCP/IP, BGP, and SSL/TLS, along with a solid grasp of encryption standards.
  • Scripting knowledge (Python, Powershell) for automation is a plus.
  • Preferred certifications like CCNP security or CCIE security.
  • Proficiency in monitoring protocols like NetFlow, SNMP, SYSLOG, and RMON.

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