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Posted 30 August, 2026

Network Firewall

Tata Consultancy Services
500001, TG, IN Full Time
Reference: edace46ccf8df332

Job Description

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  1. Level 2/3 Network Security Engineer
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  2. Play a Subject Matter Expert (SME) role on network security technologies
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  3. Deep and strong understanding of firewall (Layer-2 and Layer-3), Internet proxy, DNS, SSL VPN, multi-factor authentication and IPS technologies.
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  4. Ability to implement and support complex security architectures involving but not limited to the above listed technologies.
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  5. Strong experience on Palo Alto Network firewalls
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  6. Very strong hands-on experience on implementation and advanced troubleshooting in Cisco ASA, Checkpoint, Palo Alto, & Fortinet (Forti Manager & Forti Analyzer) firewalls in High-availability mode.
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  7. Maintaining various firewalls, virtual private networks, web protocols, and email security.
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  8. Extensive exposure on Blue Coat, McAfee proxies involving complex traffic troubleshooting.
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  9. Understanding of commonly used protocols and services (e.g. SSL, TCP/UDP, HTTP, FTP/SFTP, NTP, Telnet, NFS, SSH, LDAP, etc.)
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  10. Good understanding of routing technologies including OSPF, BGP, GRE Tunnel and IPSEC VPNs with the ability to design and troubleshoot complex enterprise network infrastructure.
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  11. Good understanding of Remote Access products with 2-factor authentication systems.
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  12. Good conceptual understandings of Switching & F5 load balancers.
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  13. Expertise on packet capturing and deep packet analysis
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  14. Experience working on process-oriented organizations involving incident, change, problem and configuration management process.
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  15. Ability to analyze problems and perform Root Cause Analyses as and when required.
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  16. Leading the projects
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  17. Project reviews, project meetings and project delivery, Leading Technology upgrade programs
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  18. Candidate need to have Level 2/3 experience with Firewall Setup and support in enterprise/large corporate environment in current or most recent position.
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  19. Cisco (CCNP Security) or Checkpoint (CCSE) or Palo Alto (PCNSE) Security Certifications
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  20. ITIL Foundation
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