Network Security Engineer

Tata Consultancy Services
📍 Chennai, Tamil Nadu, India 💼 Full-time 🕒 Posted June 09, 2026

Job Description

Greetings from TCS!!!


Role: Cisco Wireless Network Security

Experience: 7 to 15 years

Location: Chennai


Job Description:


  • 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 rela...

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Job Details

  • Location Chennai, Tamil Nadu
  • Job Type Full-time
  • Category Computer Occupations
  • Posted Date June 09, 2026
  • Application Deadline July 19, 2026