Technical Skill Requirements

- Working Knowledge of TCP/IP networks, including network devices such as firewalls, routers, switches, content filters, intrusion detection systems, and SSL concentrators
- Robust understanding of Network routing and switching technologies, protocols, and solutions
- In-depth experience/operational knowledge with Network devices like routers, switches, load-balancers, firewalls, IDS/IPS, WAN Optimizers, global site selectors, SAN fabric switches etc.
- Experience working with Network QOS, Wireless LAN technologies, protocols, and solutions
- In-depth experience/operational knowledge working with SNMP, NetFlow, and Network Tools
- Strong analytic and troubleshooting skills. Strong understanding of standard Network Designs, Best Practices and Solutions
- Operational knowledge with the below products and with technologies;
- Technologies/Protocols: TCP/IP, OSPF, BGP, HSRP, IPsec, VPN, MPLS. QoS, Multicast, dot1q, STP, VLANS, VTP, HSRP, VoIP, WLAN, DNS, DHCP, ARP, SNMP, NetFlow, Cisco vPC, FCoE, Cisco Fabric Path etc.




- Products:: Cisco Catalyst Switches, Cisco Routers, Cisco Nexus Switches, Riverbed WAN Accelerators, Cisco and F5 load-balancers, Cisco ASAs, Cisco WLAN products - Packet analysis and debugging abilities using a variety of tools (e.g. Finisar, Clearsight, Ethereal/WireShark, tcpdump, etc.)
- Working Knowledge of Management Tools like SSH/Telnet Terminal, WireShark, FTP/SFTP/TFTP/SCP clients, RDP clients
- Working Knowledge of Zscaler and SSL VPN Portal Setup and Troubleshooting
- Working Knowledge of network essentials such as OSI Stack, L3 (Routing, Dynamic Routing), L2 (Arp, TCP Handshake), L1 (Connectivity)
- Scripting ability in Shell, PERL, Python, or other similar use languages will be an advantage.
- Ability to handle multiple complex tasks concurrently with competing deadlines.
- Ability to follow strict policies and change control procedures.

📌 Network Engineer (Chennai)
🏢 Tata Consultancy Services
📍 Chennai