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Sr. Network Engineer Resume

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Chicago, IL

PROFESSIONAL SUMMARY:

  • Sr.Network Engineer around 8years of IT experience wif a focus on designing and developing security solutions.
  • Strong knowledge based in the planning, design, and implementation of Information Systems and Network Technologies.
  • Experienced in design, installation, configuration, administration and troubleshooting of LAN/WAN infrastructure and security using Cisco routers/Switches/firewalls.
  • Enterprise Routing experience using protocols RIP v1 & 2, EIGRP, OSPF and BGP.
  • Enterprise Switching wif VLANs, Trunks, Spanning Tree, Port Spanning etc.
  • Switching tasks include VTP, ISL/ 802.1q, IPsec and GRE Tunneling, VLANs, Ether Channel, Trucking, Port Security, STP and RSTP.
  • In depth understanding of IPV4 and implementation of Subnetting.
  • Experience in configuring Site - to-site and remote access VPN solutions.
  • Experienced in troubleshooting various network related problems by using sniffing tools.
  • Network security including NAT/PAT, ACL, VPN Concentrator, IDS/IPS, and ASA/PIX Firewalls.
  • Experience wif convert PIX rules over to the Cisco ASA solution.
  • Responsible for Cisco ASA firewall administration across our global networks
  • Strong hands on experience on PIX Firewalls, ASA (5540/5550) Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA(TACACS+ & RADIUS)
  • Primary responsibility is to design and deploy various network security & High Availability products like Cisco ASA and other security products.
  • Knowledge of how to configure, support, and troubleshoot Checkpoint firewalls and Palo Alto firewalls
  • Network technologies including Optical VoIP VPN SAN switching and routing.
  • Experience wif F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
  • Intermediate troubleshooting of alert messages from Solar winds.
  • Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup
  • Experience on a mesh 6500 and 5500 series routes and switches to support the core trading system. Involved
  • Experience in designing data communications and networks utilizing dat utilize a mixture of frame relay,
  • A highly organized individual who adopts a systematic approach to problem solving, TEMPeffectively analyzes results and implements solutions.
  • Provided 24x7x365 availability and on-call support as required by the projects.
  • Strong written and verbal communication skills, self-motivated, self-managed, result oriented, practical, always looking to learn and contribute.

TECHNICAL SKILLS

Routing and switching Protocols: RIP, RIP2, PPP, OSPF, EIGRP, IS-IS, BGP, SNMP, HTTP, FTP, TFTP, HTTP

Firewalls and Sniffers: Cisco PIX, FWSM, ASA, Check Point, OPNET, WIRESHARK

WAN Protocols and Technologies: HDLC, PPP, ATM, FRAME RELAY, IDSN, Metro Ethernet

Routers: Cisco 7609, 2600, 2800, 3800, 3640, Cisco 3745, 7200 Series

Switches: Cisco 3500, 5000, 6500 Catalyst Series Cisco 7000, 2000 Nexus Series

Network Equipment: CISCO 2950,3500,4500,6500 series Switches, CISCO 800, 1600, 2500

Operating System: Windows XP/7/8, UNIX, Linux

PRPFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Sr. Network Engineer

Responsibilities:

  • Experience working wif market data networks and dealing wif clients and deploying network designs
  • Experience wif converting WAN routing from EIGRP/OSPF to BGP (OSPF is used for local routing only) which also involved converting from Point to point circuits to MPLS circuits.
  • Experience working wif migration from 6500 series devices to 4500 Series switches in Campus deployments at Core, Distribution and Access Layers.
  • Experience wif LAN protocols like STP, RSTP, MST, VTP, VLAN and Port Channel Protocols like LACP, PAGP
  • Experience wif design and configuring Overlay Transport Virtualization (OTV) on Cisco NX-OS devices like Nexus 7000
  • Experience working wif High performance data center switch like nexus 7000 series
  • Experience working wif Nexus 7010, 7018, 5020, 2148, 2248 devices.
  • Experience configuring VPC, VDC and ISSU software upgrade in Nexus 7010
  • Experience in Configuring, upgrading and verifying NX-OS operation system wif OSPF, BGP
  • Experience wif convert PIX rules over to the Cisco ASA solution.
  • Responsible for Cisco ASA firewall administration across our global networks
  • Key contributions include troubleshooting of complex LAN/WAN infrastructure dat include routing protocols EIGRP, OSPF & BGP
  • Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500 wif ACL, NAT, Object Groups, Failover, Multi-Contexts
  • Owned H323 and MGCP Gateway for Call manager and IOS router.
  • Configuring 2960s POE switches to replace existing 2950 switches.
  • Configure switch ports for VOIP phones and add Qos scripts to configuration
  • Developed deployment solutions for network technologies including Optical VoIP VPN SAN switching and routing.
  • Responsible for layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trucking, deployed port security when possible for user ports
  • Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN
  • Implemented Site-to-Site VPNs over the internet utilizing 3DES, AES/AES-256 wif ASA Firewalls
  • Implemented antivirus and web filtering at the web server as well as configuration of F5 Big-IP LTM-6400 load balancers and experience working wifF5 technologies (LTM, GTM, APM, V9, V10, V11)
  • Responsible for managing activities, Upgrading IOS - Upgrading hardware and installing new devices, Tuning (Configuration), make standardization for the topology
  • Configured, installed, &managed DHCP, DNS, & WINS servers
  • Implement and configured HSRP/VRRP/GLBP (on distro/core switching), HSRP on different location of office on the switched network and managing the entire multilayer switched network
  • Provide front end on-call network support 24x7x365 for all network infrastructures in the co-operation

Environment: Cisco routers (7200, 3800, 2800) and Cisco switches (6500, 3700, 4900, 2900), Nexus (7K, 5K & 2K) Routing Protocols (EIGRP, OSPF, BGP), Switching protocols (VTP, STP, GLBP, HSRP), Cisco PIX (525, 535), ASA (5505, 5510) firewall.

Confidential, Farmington Hills, MI

Network Engineer

Responsibilities

  • Design, and configuring of OSPF, BGP Cisco routers.
  • Configuring IP, RIP, EIGRP, OSPF and BGP in routers.
  • Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
  • Configuring IPSEC VPN on firewalls
  • Configured OSPF redistribution and authentication wif type 3 LSA filtering and to prevent LSA flooding.
  • Configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
  • Switching related tasks included implementing VLANS, VTP, STP and configuring on Fast Ethernet
  • VLAN Configurations, troubleshooting and Firewall ACLs and Object-Groups configuration and support
  • Designed, configured, implemented and supported VoIP Installations.
  • Installed and maintained routers and switches in various network configuration supported VLANs, Qos, VoIP and advanced access-Lists.
  • Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup
  • Experience on a mesh 6500 and 5500 series routes and switches to support the core trading system. Involved
  • Experience in designing data communications and networks utilizing dat utilize a mixture of frame relay,
  • Experience converting Cat OS to Cisco IOS on the Cisco 6500 switches
  • Installation, Configuration and Administration of ADS,DNS,DHCP and Web proxy(ISA)server
  • Worked on HSRP for load balancing.
  • Managed theF5 BigIP GTM/LTMappliances to include writing iRules, SSL offload and everyday task of creating WIP andVIPs
  • Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations
  • Taking Regular backups & testing the backups by restoring in test lab frequently
  • Configured IPSec site-to-site VPN connection between Cisco VPN 3000 Concentrator and Cisco 3800
  • Managing a TACACS server for VPN user authentication and network devices authentication
  • Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus devices.
  • Upgrade Cisco Routers, Switches and Firewall IOS using TFTP
  • Monitored all Cisco equipment’s using Cisco Works

Environment: Juniper firewalls 5GT, 208, SSG 5, 140, 550, 550M, NSM, IDS/IPS 6500/3750/3550/3500/2950 switches, Juniper (M320, T640), Load balancing, Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP, OSPF, BGP, VPN, Ether Channels.

Confidential, Ramsey, NJ

Network Engineer

Responsibilities:

  • Configured Cisco Routers for OSPF, RIPv2, EIGRP, BGP, Static and default route.
  • Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations.
  • Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security
  • Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.
  • Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.
  • Configured, Installed, tested and installed Cisco's enterprise telecommunications system
  • installed and maintained VoIP infrastructure components
  • Worked on HSRP for hop redundancy and load balancing.
  • Provided port binding, port security and router redundancy through HSRP.
  • Configured the Cisco router as IP Firewall and for NATing Configured RSTP, MST and used VTP wif 802.1q trunk encapsulation.
  • Assisted in backing up, restoring and upgrading the Router and Switch IOS
  • Assisted university campus for VOIP network management and troubleshoot
  • Implementation of name resolution using WINS & DNS in TCP/IP environment
  • Configured FTP server for inside/outside users & vendors
  • Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.

Environment: Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP,, Vulnerability Assessment tools like Nessus, Red Hat, Solaris, Juniper VPN’s, SSL.

Confidential

Network Engineer

Responsibilities:

  • Configured Routing protocols such as OSPF and policy based routing.
  • Create and testCisco router and switching operations using OSPF routing protocol.
  • Configuration and troubleshooting link state protocols like OSPF in multiple areas.
  • Configuration 7609, 7606 wif OSPF and catalyst 6505, 4500, 3550 switches wif various VLAN.
  • Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
  • Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
  • Configured VLANs wif 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
  • Team member of Configuration ofCisco7206 router and Configuration of Catalyst switches.
  • Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
  • Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
  • Configured IP access filter policies.
  • Providing Technical Support and solutions forNetwork Problems.
  • Involved in migration of ACE 10 and ACE 20 to ACE 30 module
  • Implementing NAT solution's on Cisco IOS routers.
  • Worked on Cisco Routers, Active /Passive Hubs, Switches.
  • Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel.
  • Design and implemented network infrastructure and configured all the network Infrastructure devices including Network Printers and Registers

Environment: CISCO routers and switches, Access Control Server, VLAN, Trunk Protocols, CISCO ASA, DHCP, DNS, Spanning tree, Nimsoft.

Confidential

Network Support Executive

Responsibilities:

  • Network Assessment and Documentation (including technical, operational, and economic assessment)
  • Provided hardware and software support to corporate users and IT staff
  • Provided technical support on hardware and software to remote production sites
  • Help negotiate hardware, software, and circuit contracts for customers
  • Configure and implement Remote Access Solution: VPN, ISDN dial up, Fractional T1
  • Configure Cisco VPN 3000 Concentrator to allow VPN clients
  • Redistribution of routing protocols and Frame-Relay configuration
  • Troubleshoot Windows 2000 Servers and streamlining the user policy.
  • Managing User accounts using Active Directory
  • Implementation of TCP/IP & related Services-DHCP/DNS/WINS
  • Maintained Local Area Network connectivity including switches, routers, wiring closets, and drops to the desktops
  • Managing Layer 2 switches of Cisco, VLan configuration and assigning ports to specific VLan as per requirement
  • Configured standard and extended access-lists on network
  • Implement Cisco IOS Firewall IDS using 2600 series router

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