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Network Architect Resume

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TECHNICAL SKILLS:

Technologies: Cisco ASA 5505/5510, Nexus Switch 7000/6000/5000, Catalyst Switch 6500/5500, Cisco Router 7500, 4000, 3600. Dell and HP Servers. Microsoft Windows Server 2008R2, Windows 7.

Methodology: Use structured troubleshooting method such as Follow The Path/Divide & Conquer/Spot The Differences as a guideline to reduce network downtime.

OSI Model: Troubleshooting Layer 1 (Physical) using show controllers command, Layer 2 (Data Link) using show interface/show cdp neighbors/show arp/show mac - address table command, and Layer 3 (Network) using show ip protocol/show interface/show ip interface brief/show ip route command, Layer 7 (Application) using Telnet command.

Hardware: Troubleshoot switch and router hardware using show processes cpu/show memory/show interface/show controllers/show platform/show inventory/show diag command.

Network Connectivity: Troubleshoot network connectivity using ping and traceroute command, Layer 3 to Layer 2 mapping using show iparp/show frame-relay map/show adjacency detail/show mac-address table command, active host discovery on subnet by pinging broadcast address.

VLANS: Troubleshoot VLANS using show VLAN/show interfaces trunk/show interfaces switchport/show platform forward interface/show mac-address table/clear mac-address table/traceroute mac command. Troubleshoot 802.1q encapsulation (trunking/tag port).

Routing Protocols: Troubleshoot EIGRP using show ipeigrp topology/show ipeigrp neighbors/show ipeigrp interfaces/debug ipeigrp/debug eigrp packets/debug ipeigrp neighbor/debug ipeigrpcommand, BGP using show ipbgp summary/show ipbgp neighbors/show ipbgp/debug ipbgp/debug ipbgpudpates, OSPF using show ipospf neighbor/show ipospf databases/show ipospf statistics/debug ipospf packet/debug ipospf events/debug ipospfadj/debug ipospf monitor/debug ip routing command.

Addressing: Troubleshoot DHCP using ip helper-address/show ipdhcp server/show ipdhcp statistics/show ipdhcp binding/show ipdhcp conflict/show ipdhcp database/show ipdhcp pool and debug ipudp/debug ipdhcp server/clear, ipdhcp binding command.

Telecom/Media: Interface with AT&T/Sprint/Verizon and others regarding Sonet, ATM, OS3, T1, ISDN, and DSL. Troubleshoot T1 lines by doing remote/local/digital/line/data loopback testing and using loopback plugs.Troubleshoot T1 by using show interface/show frame-relay lmi, pvc, map, traffic, route, svc. Troubleshoot ATM using show atm interface, show atm map, show atmvc. Troubleshoot DSL using debug vpdnppoe-events/show vpdn session all.

Security: Troubleshoot access list using show access-list command and troubleshoot VPN s using debug crypto isakmp/debug crypto ipseccommand.

PROFESSIONAL EXPERIENCE:

Confidential

Network Architect

Major Responsibilities

  • Design and support Cisco Routers, Switches, ASA, and Wireless spanning Ireland, America, Canada, Australia, Poland, Belgium, Russia, Germany, Brazil, Mexico, Colombia, Argentina, South Africa, China, and United Arab Emirates. DesignEdge routing using Datacenter Interconnect/Wan Aggregation using Cisco 7609 /ASR 1000 routers, Branch Offices using Cisco 2951/1941/1841/ routers using BGP, EIGRP, and OSPF for IP routing protocols. Design Core layer using Cisco Nexus 7000/5000 series switches and FabricPath, OTV, Distribution layer using Cisco Catalyst 6500/4500 series switches, Access layer using Cisco 3750 s. Design Wireless solutions using AIR - CL5508 WLC/WLC 2500 and AIR-CAP2602 E for open/shop areas and AIR-CAP2602I for office areas.
  • Design Security using ASA 5515 Design VOIP solution using Cisco Unified Call Manager and Shoretel VOIP, Shoretel Communicator EIGRP-Network for EIGRP metric calculation, EIGRP ip default network, EIGRP summarization, EIGRP authentication, EIGRP load-balancing BGP-Basic/Advanced BGP network, AS-Path Attribute/Next Hop Attribute, BGP Multipath load sharing, BGP link bandwidth unequal cost (load sharing), BGP neighbor authentication, BGP route filtering, BGP backdoor routes, BGP Route Map Logic/Dampening OSPF-OSPF Single Area/Multi Area network, OSPF BroadCast Multi access network, OSPF authentication, OSPF route summarization, OSPF stubby area, network setup for disconnected OSPF area, network setup for portioned backbone area Data Center Migration-Plan Data Center migration timeline with executives and engineers. Perform network discovery of data centers to be migrated using Cisco Discovery Protocol and walking the network, NMAP port scanning, plus doing a physical by hand connectivity matrix. Backing up all current software configurations on routers and switches. Testing new equipment to be migrated to in order to make sure it is functional.
  • Responsible for making sure all software parameters are convertible from old devices to new devices. Responsible for making sure all interconnectivity between devices will be maintained when moving to new equipment.
  • Plan roll-out in great detail focusing on software, hardware, interconnectivity, testing, and if the outage will affect business locally, regionally, or nationally to make those affected aware. Coordinate with multiple engineers to conduct peer review of plan. Implement phased migration before go-live. Test all connectivity. Coordinate with Telco and equipment vendors to make sure 24/7 support is available. Document and Visio everything.
  • Wan Migration-Plan Wan migration timeline with executives, engineers, and Telco providers. Determine when line needs to be ordered and order in appropriate time with window of error. Schedule engineer to be onsite to test circuit during its delivery. Perform network discovery of Wan site to be migrated using Cisco Discovery Protocol and walking the network, NMAP port scanning, plus doing a physical by hand connectivity matrix. Backing up all current software configurations on routers, switches, and firewalls. Testing new equipment to be migrated to in order to make sure it is functional. Responsible for making sure all software parameters are convertible from old devices to new devices. Responsible for making sure all interconnectivity between devices will be maintained when moving to new equipment. Plan roll-out in great detail focusing on software, hardware, interconnectivity, testing, and if the outage will affect business locally, regionally, or nationally to make those affected aware. Coordinate with multiple engineers to conduct peer review of plan. Implement phased migration before go-live. Test all connectivity.
  • Coordinate with Telco and equipment vendors to make sure 24/7 support is available. Document and Visio everything. Hardware & Software Upgrades-Plan upgrades by reading white papers to determine what problems have been encountered in any by upgrading from one software to another on a specific router, switch, or firewall. Perform a soft upgrade if possible (to the least important devices) before doing a hard upgrade (to the most important devices). Hardware upgrades or refreshes are done by replacing old equipment with new equipment that is equal to or better than what is being replaced. Backup all configurations on old equipment and make sure it is convertible to new equipment (hardware upgrade/refresh).
  • Test functionality and connectivity of both hardware and software upgrades. Research network attacks and security audit tools, secure router for administrative access, secure administrative access using AAA and Radius, configure CBAC and zone based firewalls, configure intrusion prevention system (IPS) using CLI, secure layer 2 switches, implore different encryption methods, configure site to site VPN, configure Remote Access VPN Server/Client, create security policy development and implementation, configure ASA Basic settings and Firewall using CLI/ASDM Cisco Unified Communications Manager-Establish network connectivity, configure NTP, basic/advanced manual phone configuration using CLI, add directory numbers, phones, and users with CCP, configure analog/digital interfaces, call legs, dial peers, wildcards, call processing, dial plans, digit manipulation, Quality of Service, configure phone directory, call forwarding, call detail records/accounting, manage services, phones, users, auto registration for phones, prepare phone registration, register and update phones using bulk administration tool, call routing, class of control-partitions and calling search spaces, hunt groups, mobile connect, integrate CUC with CUCM, configure Cisco Unified Presence Server, troubleshoot CUCM, CUCME Implement Vlans separating voice/data traffic, 802.1q, STP/PVST/MST, Ether Channel, HSRP, VSRP, and QOS Implement port security, access list, AAA, RADIUS, TACACS+ Perform network discovery (how devices inter-connect).
  • Create IP address/host name assignment sheets. Facility walk through to determine distance and best cabling for facility. Order Verizon MPLS/4G, ATT T1/DSL, Mega Path T1, ISDN/DSL, and Charter DSL, Install Cisco, Trend net, and Cisco media converters. Test Cat5/6, Coax, and Fiber to guarantee signal pass. Flip fiber transmit/receive to bring signal up. Intrusive testing of circuits with Telco Provider for troubleshooting or maintenance
  • * Manage network devices using Solar Winds Orion, Solar Winds TFTP, CiscoWorks, Cisco Network Assistant, and Kiwi Cat Tools
  • Use network monitoring tools like IPERF/JPERF, Wireshark, CiscoPacket Tracer, and NMAP create RFQ for network cablers/electricians for design of MDF/IDF. Visio 2010, create comprehensive network diagrams Work swing shifts/on call as needed, travel nationally and internationally for projects Train and Mentor junior network engineers and desktop support staff Use Dynamips to test complex network configurations

Confidential

Senior Network Engineer

Major Responsibilities:

  • Provides technical oversight to customer's global data and voice network architecture. Network and security design, implementation and support in 24/7/365 environments running multi-tiered applications Service provider and enterprise class Cisco routers (7200/39xx/29xx), and switches (6509E/ 3750/3560/2900 ) Service provider and enterprise class network firewalls (Cisco ASAs, Juniper or Checkpoint) BGP, EIGRP, OSPF & HSRP protocols SVI, STP/PVST, Port Channels, and Ether Channels F5, application Load balancers - LTMs (SLB) Cisco, Shoretel, Interactive Intelligence, or Fonality VoIP PBX systems Network management systems - Solar winds, Orion, Ciscoworks, HP Openview etc.* Cisco, Shoretel, Interactive Intelligence, or Fonality VoIP PBX systems Network management tools - Cacti, MRTG, Rancid Experience with HP Tipping Point, Source fire, Juniper, or Cisco IPS/IDS security information and event management systems, vulnerability scanners, AAA, RADIUS/TACACS+. Experience working in high availability, high transactional, E-commerce or similar environments Operational experience with security issues and access control mechanisms to prevent unwanted access Experience with network scanning tools such as Nessus, Retina, Wireshark, etc Experience with multicast, any cast In-depth knowledge of TCP/IP fundamentals including IPv4 and IPv6 Experience with firewall/router/IPS log analysis Strong troubleshooting skills (network device (L2/L3/L4) and systems level) Thorough understanding of network security aspects, common problems and solutions (ACLs, firewall filtering, IPsec VPN tunnels and Remote access IPSEC/SSL VPNs). Thorough understanding of DNS, and DHCP Experience with standard network change management and configuration policies and thorough understanding of Quality of Service in a Cisco L2/L3 environment.
  • Experienced with the design and implementation of video over IP conferencing systems - Cisco, Polycom, Lifesize
  • Monitors both uptime availability and performance to meet and/or exceed our business Service Level Agreements (SLA’s). Ability to support fault tolerant and high availability networks providing 99.999% uptime Support and management of the Internet/WAN/LAN/WLAN, Voice and Network Security supporting all data centers and corporate offices. Responsible for ensuring that our Network/Systems security guidelines adhere to CISP and PCI compliance standards Provide training to junior engineers and staff

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