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Firewall Engineer

Tata Consultancy Services

2 - 5 years

Chennai

Posted: 19/06/2026

Job Description

Job Description

Required Information Details

1 Role- Network Security / Firewall Engineer L2

2 Required Technical Skill Set- Network Security Cisco Firewall

3 Desired Experience Range- 7 to 15 yrs

4 Location of Requirement- Chennai



Desired Competencies (Technical/Behavioral Competency

)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 serie
  • s.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 930
  • 0.Focusing on the enhancement of URL filtering and the upgrade of Cisco firewall
  • s.Actively working on transitioning from Cisco ASA to Cisco FTD/Cisco CSF, including the configuration of User-ID, App-ID, and SSL Decryptio
  • n.Applied knowledge of dynamic NAT configurations and NAT port forwarding on CISCO ASA/FTD/CS
  • F.Set up and resolve issues related to Site-to-Site IKEv2 IPsec VPN configuration
  • s.Diagnosis of packet drop problems and Decrypting & inspecting HTTP traffic on Cisco ASA/FTD/CSF device
  • s.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 FT

D.Good-to-Ha

  • veKnowledge of multivendor security products (Palo Alto/Check Point/Fortine
  • t)Working knowledge on Routing and Switchin
  • g.Familiarity with cisco security (AWS/Azure) and SDWA
  • N.Knowledge of protocols including TCP/IP, BGP, and SSL/TLS, along with a solid grasp of encryption standard
  • s.Scripting knowledge (Python, Powershell) for automation is a plu
  • s.Preferred certifications like CCNP security or CCIE securit
  • y.Proficiency in monitoring protocols like NetFlow, SNMP, SYSLOG, and RMO


N.

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