Network Admin L3

4 weeks ago


Mumbai, Maharashtra, India Tata Consultancy Services Full time

Job Role - Network Security-L3

Experience Range: 8 to 12 years

Job Location: Mumbai, Pune, Bangalore, Kolkata

***Immediate Joiners Required (Up to 30 days notice period)

Job Description

Must Have

  • Strong knowledge in Routing, Switching, Iwan, SDWAN, Wireless, F5 Load balancer Firewalls like Cisco ASA, Palo Alto & SolarWinds
  • VPN concepts like GRE Tunnel, IPSEC VPNs, SSL & DMVPN
  • Level 2/3 Network Engineer
  • Play a Subject Matter Expert (SME) role on network security technologies
  • Strong understanding of Routing, Switching, Wireless, F5 load balancer technology.
  • Deep and strong understanding of firewall (Layer-2 and Layer-3), DNS, SSL VPN, multi-factor authentication and IPS technologies.
  • Ability to implement and support complex Network & Network Security architectures involving but not limited to the above listed technologies.
  • Strong experience on Cisco Next generation firewall
  • Maintaining various firewalls, virtual private networks, iWAN, F5 Load balancers.
  • Maintain various switches, routers and wireless environments.
  • Understanding of commonly used protocols and services (e.g. SSL, TCP/UDP, HTTP, FTP/SFTP, NTP, Telnet, NFS, SSH, LDAP, etc.)
  • Good understanding of routing technologies including OSPF, BGP, GRE Tunnel and IPSEC VPNs with the ability to design and troubleshoot complex enterprise network infrastructure.
  • Good conceptual understanding of Switching & F5 load balancers.
  • Expertise on packet capturing and deep packet analysis
  • Experience working on process-oriented organizations involving incident, change, problem and configuration management process.
  • Ability to analyze problems and perform Root Cause Analyses as and when required.

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