Charles Karimi

***** ******* ******* #***, *** Diego, CA 92128 acx11m@r.postjobfree.com 858-***-****

Summary

Seeking a LAN/WAN position with a professional organization that can utilize my proven skills in network engineering, network administration and systems administration.

Technical Certifications

Cisco Certified Network Associate (CCNA)

International Management of Information Systems (UK) (IMIS)

CCNP (In progress) (CCNP)

Technical Skills Summary

Connectivity & Hardware: Cisco 2600, 3600 and 7200 routers, Checkpoint R75, ASA & PIX firewalls Catalyst 1900, 3500s, 6500 switches, wireless, T1, Ethernet, Cable/DSL modem, Analog dial-up

OS & Enterprise Apps: Cisco IOS, Windows 2003/2008/2012(Hyper-V) Server, Exchange Server 2008, Citrix Netscaler, VMWARE Workstation & Sphere 4

Technologies: Active Directory, Power-Shell 3.0, Remote Desktop, IIS, VLSM sub-netting, LAN/WAN Network Topology & Design, WAN Concepts.

Networking Tools: Wireshark, Network monitor, spectrum analyzer, Cisco Router and Security Device Manager

LAN/WAN Protocols: RIPv2, EIGRP, OSPF(LSAs/Summarization/Stub Areas), BGP, Route Redistribution. VLAN’S/Trunking, EtherChannel, Spanning Tree (FHRP/HSRP/VRRP), TELNET, TCP/IP, IP Addressing, GRE Tunnels, MPLS, CDP, TCP/IP, ICMP, ARP, PPP, CHAP, Frame-Relay, TFTP, MPLS, and QOS,802.11,802.1x,NAT,VPN, IP Sec, FTP, AAA, SSL, SSH Encryption, NAT/PAT, ACL's, DFS, DNS, WINS, DHCP, RRAS.

Wireless: Wireless Unified – Cisco Wireless LAN Controllers: 2504, 5508, 5520, 8510, 8540, Virtual controllers, Mobility Express controllers. Converged Access Controllers - Switches/Routers) – 5760/3850/3650/4500, WISM. Network Management – Prime Infrastructure (PI)/Cisco Connected Mobile Experiences (CMX)/Cisco Mobility Services Engine (MSE). Autonomous – All models of Cisco Access Points. Deployment – CWA, BYOD, Web-Auth redirect, Guest Portal, Flexconnect, Centralized, Voice over WLAN, Converged Access, High Availability., Switchstack, VLAN’S/Trunking, EtherChannel, Spanning Tree (FHRP/HSRP/VRRP), SPAN. Debug and Packet captures to resolve wireless network issues. Wireshark, Network monitor and spectrum analyzer

Summary of Professional Experience

Cisco Systems Network Engineer (Global TAC – Wireless) 2015 April – Present

• Troubleshooting Enterprise wireless infrastructure including Cisco Voice over WLAN, BYOD, CUWN, and Converged Access • Customer education on wireless products which include following best practices and proper implementation of Wireless Deployment

• Implement and troubleshoot PI/CMX (Physical/Virtual appliances) with full integration to wireless network

• Improve product quality by identifying software bugs and collaborate with Business Unit & development team on software related issues

• Recreate segments of customer network topology in lab environment for root cause analysis.

• Assist tier-one support teams on escalations and provide technical expertise

• Troubleshoot inter-op issues with various client devices

Verizon Business Data Center Network Analyst 2014 May to 2015 March

Creating, managing and escalating Network problem tickets as a technical support analyst at Verizon 24hr Enterprise Data Center.

1.Tasks included managing an average of 50 tickets a day/night and solving 15-20 tickets a day. This included Network traffic incident management, ensuring security of traffic flowing through the network including firewalls statements, ACLs and login/password encryption, changes and implementation for clients enterprise networks: Switch (including nexus 5548 layer 3) and router load-balancing, devices using SDM to access networks and apply Cisco IOS commands. Routing protocols used were EIGRP, OSPF and BGP. Switch ( Catalyst 1900, 3500s, 6500, Nexus 5548) managing VLANs, Trunks, Ether-channels for high availability and redundancy including HSRP& FHRP standby protocols.

Tasks included Ensuring SLAs are met, accurately perform incident and service request escalation, answer phones, read incoming emails, accept incoming chat requests and perform incident life-cycle management for owned tickets.

Corelogic Network Administrator 2007 Feb to 2014 April

Supported 300 end users in one location (create/enable/disable/unlock/drive allocation templates), including user profiles and configured the user account properties and group policies to manage user profiles.

Allocated static and dynamic IP Addresses to using DHCP and enabled synchronization of lease information between servers using DHCP Server fail-over protocol.

Installed and configured Cisco 2600 and 3600 series routers via Telnet to Ethernet interface to establish WAN connection between two subnets located in San Diego and Santa Ana. Also installed, configured and managed catalyst 1900 series switches for the companies VLANs. Tasks include: console and remote configuration of Ethernet serial interfaces, RIP/EIGRP routing, ACLs, PVCs, DLCIs, PPP/CHAP authentication, Telnet sessions and password security.

Managed VLANs including monitoring, configuring and securing 48-port switches including 2 aironet access points, six 3550 catalyst and 2 Cisco Layer 3 switches and a Cisco ASA firewall. Used FHRP and HSRP protocols to manage VLAN Spanning tree.

Education

Alliant International University MS. MBA (Information System Management) In progress San Diego, California.

Alliant International University BS. Information Systems and Technology 1998-2002 San Diego, California.

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