PROFESSIONAL EXPERIENCE:

Confidential

Network Engineer

Responsibilities:

• Perform daily LAN system hardware/software maintenance and upgrades, - Advanced skills and hands on experience with CISCO 6509 & 6513 distribution layer switches and its hardware/software components/modules/supervisors/MSFC/SFM;
• Advanced skills and hands on experience with CatOS and IOS operating systems and its CLI;
• Solid knowledge of VLANs, layer 2 traffic forwarding, TCP/IP, SNMP, DHCP, ARP, IGMP
• Hands on experience with trunk port, ether channel, STP, VLANs, port speed/duplex/mdix, dynamic/static port security, span port etc…configurations,;
• Good understanding of layer 3 MSFC routing ;
• Be able to make/alter any type of configuration on the systems mentioned above;
• Expert level of working with Cisco images, redundant supervisor mode, high-availability mode, MSFC single router mode
• Ability to maintain/upgrade core level switches without (or minimal) downtime with the help of system redundancy features.
• Test new application/hardware/software in the lab which will be deployed within the LAN and document test results (802.1x port security, out of band management, software upgrades, supervisor/module/line card replacements),
• Test cross-vendor interoperability in the lab before the systems are deployed in the production network,
• Install and test new network systems in the lab before they are deployed in the production network,
• Deploy/replace tested and approved systems/components within the LAN/WAN segment
• Advanced skills and knowledge with Procurve 5412zl, 8200zl, 2428 and 2610 access layer switches and its hardware/software components,
• Advanced skills and knowledge with 3COM SSII 3300/3900 access layer switches and its hardware/software components
• Hands on experience of upgrading switch software, uploading initial configuration, altering ACL lists and testing traffic forwarding capability of the switch
• Solid understanding of CLI, WEBUI and MI of these systems (procurve&3com) ;
• Be able to make/alter any type of configuration on these systems (procurve&3com); trunk port, ether channel, STP, VLANs (tagged/untagged), port speed/duplex/mdix, dynamic/static port security, LACP, PoE for VoIP, span port, LLDP
• Extensive knowledge of Cisco literature, TCP/IP and other network protocols, plus hands on experience with Cisco Sup 2, Sup 720 and Sup 720 VSS systems and other modules/line cards.
• Good understanding of layer 3 routing protocols EIGRP, RIP, OSPF, IGRP
• Extensive knowledge of cabling media; multimode/singlemode fiber, copper (UTP CAT 6)
• Extensive knowledge of fiber/copper connectors; LC, ST, SC, SFPs or GBICs
• Ensure %100 network power availability
• Install, maintain, manage and configure ACS 2200 Confidential in the switch closets
• Install switch power supplies accordingly in order to ensure power redundancy for VoIP implementation
• Compute power consumptions and configure Hp Procurve power control settings for VoIP implementation (LLDP protocol)
• Hands on experience with integrating Confidential network cards within the LAN and remote management of the cards
• Advanced knowledge of PoE and VoIP implementations
• Configure security measures AAA, ACLs and NTP sources for the systems installed in the production network
• Good understanding of Cisco ACS server and related protocols
• Good understanding of how Tacacs+ and Radius work
• Good understanding of NTP server and related protocols
• Monitor and document daily network performance (PRTG, Sniffer Distributed, What’s Up Gold, SOLARWIND applications, Wireshark, TFTP servers),
• Extensive knowledge and hands on experience with Sniffer Distributed and PRTG;
• Ability to generate sensors, reports and performance status
• Expert skills and hands on experience with SNMP monitoring
• Hands on experience and expert knowledge with administering PRTG and Sniffer Distributed
• Ability to configure NetFlow statistic polling for Cisco switches in order to integrate PRTG with NetFlow
• Ability to identify and capture network traffic between multiple systems and analyze connectivity issues latency/windowing/ buffering/response time and etc…..
• Ability to identify the source and type of illegitimate traffic within the enterprise network
• Monitor network equipment and infrastructure, periodically check system counters and log files,
• Investigate and identify necessary network equipments or applications to be upgraded or installed in order to ensure that LAN operates at optimal level,
• Advanced skills and hand on experience with CISCO 4003 & 4006 access layer switches and its components;
• Expert skills and hands on experience with Cisco IOS in order to be able to make/alter any configuration of these systems;
• Solid knowledge of the systems’ hardware and software components; modules, line cards and supervisors
• Extensive knowledge of cabling media; multimode/singlemode fiber, copper (UTP CAT 6)
• Extensive knowledge of connectors; LC, ST, SC, SFPs or GBICs
• Security policy management;
• Per request generate or remove policies/group policies/members/services on Juniper ISG 2000 CLI
• Per request investigate and alter security screening settings accordingly
• This task requires extensive knowledge and hands on experience with Juniper ISG 2000 and OS 6.0.0 CLI/WEBUI
• Expert level understanding of ISG 2000 firewall interfaces and administration of traffic flow at a multi interface environment (DMZ, PUBLIC,TRUST,UNTRUST ….)
• Good understanding of layer 3 routing protocols EIGRP, RIP, OSPF
• Solid understanding and hands on experience with NSRP protocol and HA (high availability)
• WAN OSPF/BGP migration
• Responsible with remedy tickets assigned to LAN team;
• Hands on experience with Remedy Web application in order to perform the task;
• Process starts with the acknowledgement of the ticket and ends with the resolution phase of the application.
• Strong diagnostic and troubleshooting skills resolving LAN / WAN problems
• Solid knowledge, expert level understanding and hands on experience of the concepts; VLAN, arp, ip addressing, subnetting, AAA, Mac layer forwarding, all layer 2-4 protocols (RDP, IGMP, ICMP, SSL, SSH, TFTP, FTP, VPN), NIC drivers/settings/updates, LAN tester
• Ability to read and interpret floor maps, network maps, circuit maps
• Ability to use Fluke LAN tester and analyze the outcome
• Per request install necessary cabling and allow network access for the new servers and configure server farm switch accordingly;
• Extensive knowledge of DMZ, Public/Private, Enterprise network concepts, plus VLAN, subnet mask and IP addressing knowledge in order to perform this task,
• Extensive knowledge of Ethernet LAN Protocols (Ethernet, Fast Ethernet, Gigabit Ethernet, 10G Ethernet), IP protocol suite
• As part of ESN migration project, acted as a liaison between Verizon and company sites across the Confidential . and provided support to the site contacts regarding their network equipment settings prior to new circuit activation and if necessary provided them with new instructions and report all the activities,
• As part of GeoNet3 team, monitored company’s site migration, schedules and coordinates them between Verizon, company sites and Headquarters and report all the activities,
• As part of ESN (enterprise services network) migration project this also can be named as VBNS( very high speed business network services), participated in bridge conference calls on behalf of GeoNet3 team, in order to assist and monitor activation of new telecom circuits at company sites across the Confidential .
• Good understanding of WAN circuits T-1, fractional T-1, T-3 or OC (1-3-12) and PRI, BRI interfaces
• Good understanding of customer premises equipment (LEC) and how this equipment is integrated with the site’s LAN
• Solid knowledge and hands on experience with WIC cards and how they are replaced on Cisco routers.
• Good understanding of WIC integrated Cisco routers, DB connectors
• Ability to explain these concepts to the site contacts during country wide migration to a new enterprise network.
• Aruba Wireless deployment
• Console configuration and 120 AP deployments
• Performed configuration of Aruba Controller ; Mesh point/portal, authentication, AP provisioning, portal page set-up, software upgrade, SSID management and so forth, InstantAP/RemoteAP configuration and installation, NATT-ing
• Wireless client setting, 802.11 a/b/g/n protocols
• Ability to produce network diagrams and drawings using Visio
• Juniper Bootcamp

Environment; Windows 2k/XP/Vista/7; Windows server 2003/2008; Windows DHCP/DNS server; Cisco ACS server; Linux; UNIX; NTP server, over 1000 users, 50 closet switches, 2 core router switches and 2 core server farm switches, 2 ISG 2000 firewalls, patch panels, cross connects, datacenter