Description
Professional Summary: * Overall 5 years of experience in Switching, Routing and Firewall Security, including hands-on experience in network support, installation and analysis for a broad range of LAN / WAN/MAN communication systems. * Worked on installing, configuring, and maintaining Cisco Switches (2900, 3500, 3700, 6500,6800 series) and Nexus 3000, 5000, 6000, 7000 series switches and Cisco 2600, 2800, 3600, 3800, 7200, 7600 series routers. * Working experience of troubleshooting of DHCP, DNS and IP conflict problems. * Very good knowledge on IPV4 implementation of sub netting. * Good understanding on VLSM and ARP, reverse & proxy ARP, Ping Concepts. * Good Knowledge on experience in c, c++ and java programming. * Extensive experience in RIP, OSPF, BGP, EIGRP. * Experience in troubleshooting of DNS/DHCP issues within the LAN network. * Subject matter expert (SME) in network concepts like OSI Reference Model, TCP/IP, DNS, IPV4, IPV6 and Subnetting. * Worked on Networking monitoring tools like Tcpdump, Solar Winds, cisco works, Cisco Prime, Riverbed, Wireshark, Gigamon. * Good Knowledge in configuration of VLAN using multi-layer Swtiches and Cisco routers along with troubleshooting of inter VLAN routing and VLAN trunking using 802.1q. * Troubleshooting end-users reporting problems and accurately documenting problems in trouble management tool. * Proficient in routing protocols like IGRP, EIGRP, RIP, OSPF multiple areas and BGP. * Very good knowledge in LINUX and UNIX commands. * Hands on experience on NAT (Network Address Translation) configurations and it's analysis on troubleshooting issues related to access lists (ACL). * Excellent customer management/resolution, problem solving, debugging skills and capable of quickly learning, effectively analyses results and implement and delivering solutions as an individual and as part of a team. * A highly organized individual who adopts a systematic approach to problem solving, effectively analyzes results and implements solutions. * Good experience in physical infrastructure like structured cabling, IP address management, Racking, Stacking, UCS management. Professional summary: Client: Johnson and johnson, IL May 2015 - Present Role: Network Engineer Responsibilities: * Involved in Data-Centre Migration of Cisco catalyst Switches with the new Nexus 2148, 2224T, 5548, 6018, 7010 using F3/M3 line cards with 10GE and 40GE interfaces and supervisor 2E. * Involved in configuring and implementing of composite Network models consists of Cisco 7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 series switches. * Used Fabric Extenders like 2248TP GE series for the top of the rack solution and used 5548P for the end of the row solution. * Involved in Switching Technology Administration including creating and managing VLANS's, Port security, Trunking, STP, Inter-VLAN routing, LAN security etc. Deploying Layer 2 security in Server Farms by configuring switch for 802.1x port based authentication. * Worked on internet links upgrade project, wireless standardization, and core switch upgrade project. * Migration from Cisco firewalls to Palo Alto firewalls platforms PA 4000 and PA 500 and PA-200 firewalls. * Worked on OTV to extend L2 VLANs between data centers over IP on Nexus 7010 switches. * Created site to site IPSEC VPN tunnel with Checkpoint and Cisco ASA firewalls. * Worked on Infoblox Actionable Network Intelligence controls and secured the network from the core - One unified platform including DNS, DHCP, and IPAM (DDI). * Configuration of ACLs in Cisco 5540 series ASA firewall for Internet Access requests for servers in LAN and DMZ and also for special user requests as authorized by management. * Used Infoblox for threat intelligence to detect and drop DNS-based attacks such as amplification, reflection, tunneling, NXDOMAIN, and exploits. * Mentor F5 operations team and help operations team implement solutions within tight deadlines Perform audits on demand on configuration of F5 hardware and software modules * Gathering details from customers and providing best security infrastructure solutions with F5 load balancers, Check Point/Netscreen firewalls and Blue Coat proxies * Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, SNMP, Inter-Vlan routing, LAN security. * Involved RE-IP of a 4 building blocks, reconfiguration of 80 closet switches using GBIC Backbones, 120 new VLans and routing advertisement. * Working on Cisco Routers and Switches and Wireless networks 802.11a/n at Enterprise level. And acquired good knowledge on Aruba wireless. * Proficient with the use of CLI (Command Line Interface) and GUI (Graphical User Interface). * Troubleshoot the Network Issues onsite and remotely depending on the severity of the issues. * Performing network monitoring, providing analysis using various tools like Wireshark, Solar winds, riverbed etc. * Infrastructure upgrades and new Infra deployments. * Attending weekly CAB meetings and ensuring all changes were going through the change process. * Capacity planning and providing recommendations for infra upgrade. * Setup of a new Cisco Secure ACS server for secure login to remote equipment using TACACS + and SSH connected in disturbed deployment mode and migrated devices between two active directories.
Accomplishments
Highlights:
Keywords
