Job description POSITION - L2 / L3 Engineer Qualifications / Experience 3+ years of experience in similar domains Mandatory hands-on experience on one or more of the following: Firewall, Proxy, IPS, Web Security, Mail Security / F5 / Zscaler Good understanding of OSI Model, TCP/IP protocol suite (IP, ARP, ICMP, TCP, UDP, SNMP, FTP, TFTP) IP addressing & sub netting, Routing Concepts (OSPF, BGP), VLSM/CIDR In-depth knowledge of L2 technology and protocols like VLANs, VLAN Tagging (IEEE 802 1q), LACP, VLAN trunking, STP (IEEE 802 1D and other 802 1 implementations Strong knowledge in VPN: Design, Implementation Scenarios, Connectivity troubleshooting and other Algorithms such as DES, 3DES, MD5, SHA, PKI, IPSEC Site to Site & Remote Access VPN Security, Firewalls, access and perimeter control, vulnerability management and intrusion detection Strong knowledge on various attacks like SYN flood, Replay attacks and the mitigation techniques Implementation scenarios, configuration and troubleshooting of Firewall related issues
