SUMMARY:

• 9 years of hands - on experience of Cisco, Unix and Windows servers including installation, configuration, maintenance and troubleshooting
• Excellent knowledge and experience on network protocol and network management skills
• Solid expertise in design network infrastructure, configure and security network requirements/specifications according to clients’ needs
• Experienced all Cisco platform ISO, ISO-XR, and NX-OS
• Solid VoIP knowledge and WLAN network
• An in-depth knowledge and experience of Layer 2 and Layer 3 protocols and firewall and VPN
• Incident, problem, change, configuration management by ITIL(Information Technology Infrastructure Library)
• Detail-oriented, self-motivated with strong analytical and problem-solving skills
• Cooperative, responsible, independent and initiative with good communication skills

PROFESSIONAL EXPERIENCE

Network Analyst

Confidential

Responsibilities:

• Managed and configured Router and switch, DNC, SDV server, QPSK and QAM
• Knowledge and practice Mulicast protocol, wireless gateway
• Knowledge and practice voice, video, and data network
• Technology: Catalyst, Router, Nexus 5k, Linux Red Hat, APEX, DAC 6000, NE 2500, EC, USRM, F5 Load balances, Unix Shell Scripting

Network Engineer

Confidential

Responsibilities:

• Planed, designed and implement LAN and security access solutions as required by new business services
• Initiated, conducted and analyzed network performance and security vulnerability assessments
• Prepared documentation and present reports to management about findings and strategic recommendations
• Researched, identified and recommended suitable LAN/WAN technologies, security solutions(firewall, VPN) and operations management tools
• Performed hardware and software installations, upgrades and maintenance of network infrastructures and components
• Technology: Cisco router(3800, 2800,2600), Switch(6500,4500, 750,3650,35600,3650c, nexus 5k), Junifer, ASA 5505, 5520, 5525, 5540, WLAN(AP 3750, 2700,1700,, WLS 2504), LAN(STP, VLAN, VTP, Port Channel, 802.x, VSS,VPC Stack mode, VPC ) WAN(Frame-relay, MPLS), Routing Protocol(RIP, OSPF, EIGRP, BGP), HSRP, Cisco work, Wireshark, Cherwell.

Network Analyst

Confidential

Responsibilities:

• Managed and maintained network project
• Incident, problem, change, configuration Management by SAP application
• Installed, upgraded and troubleshoot network and security
• Evaluated and provided technical recommendations on new technology, procedures and policies, including systems, encryption and data transport
• Analyzed impairment situations, determine cause and implement corrective action
• Rapidly responded to inquire regarding outages, performance degradations as it relates to data network performance issues
• Analyzed packet and network by management tools like HP Openview, Ciscowork, Cisco Netflow and Wireshark
• Follow-up with client after installation to assure hardware is working properly
• Maintained up-to-date network documentation
• Performed ongoing monitoring and analysis of existing network performance
• Performed accurate record keeping and inventory documentation
• Managed wireless communication by using WCS and WLS
• Provided after hours support according to the established on-call rotation schedule
• Technology: Cisco router(7200,3800, 2800,2600), Switch(6500,3750,3500,2900), WLAN(AP 1231, 1242, WiSM, Cisco 4400, WLS, WCS) LAN(STP, VLAN, VTP, Port Channel) WAN(Frame-relay, MPLS), Routing Protocol(RIP, EIGRP, BGP), HSRP, firewall 510, ASA 5505, 5510, 5525, 5540, Taneberg Video system, Netflow Analyzer, Cisco work, SAP, HP Openview, Wireshark

Network Engineer

Confidential

Responsibilities:

• Cut-off project from old routers and switches to new ones
• leading and coaching junior numbers
• Design, Install, configure, test and troubleshoot Cisco Router and switch
• Test and troubleshoot fiber, DWDM, voice and routing protocol
• Complete installations and project by schedule date
• Research, track and proposal network issue
• Document network and inventory
• Technology: Cisco router(7600, 7500, 300, 2800), Switch(6500, 4500, 3500, 2900), WLAN(AP 1231, 1242), LAN(STP, VLAN, VTP), WAN(Frame-Relay, MPLS, DWDM), Routing Protocol ( BGP, IS-IS, OSPF), Voice, Multicast, MHSRP

Sr. Network Engineer

Confidential, Boulder, CO

Responsibilities:

• Data center migration project
• Incident, problem, change, configuration Management by ITIL(Information Technology Infrastructure Library)
• Installed, upgraded and troubleshoot network applications
• Evaluated and provided technical recommendations on new technology, procedures and policies, including systems, encryption and data transport
• Provided analysis and resolution for major system or procedural issues using tools like IBM Netview and Vitalnet,
• Responsible for the configuration and maintenance of security for network resources including and firewall & VPN protection, network access policies and procedures
• Analyzed impairment situations, determine cause and implement corrective action
• Completed installations and projects by scheduled date
• Follow-up with client after installation to assure hardware is working properly
• Maintained up-to-date network documentation
• Performed ongoing monitoring and analysis of existing network performance
• Performed accurate record keeping and inventory documentation
• Provided after hours support according to the established on-call rotation schedule
• Able to act independently and initiation solutions in a timely manner
• Technology: Cisco router(7500,3800, 2800,2600), Switch(6500,4500,3500,2900), WLAN(AP 1231, 1242) LAN(STP, VLAN, VTP, Port Channel) WAN(Frame-relay, MPLS), Routing Protocol(EIGRP, OSPF, BGP), load balance(F5), MHSRP

Network Specialist

Confidential

Responsibilities:

• Designed, Installed, configured, tested and troubleshoot network, and server
• Consulted with clients to identify network problems and phone
• Responsible for the configuration and maintenance of security for network resources including and firewall & VPN protection, network access policies and procedures
• Technology: Cisco Firewall, VPN, Cisco routers(2500, 2600,2800,3600), Switches(1900, 2900XL,2950,3750), LAN(STP, VLAN,VTP), WAN(Lease Line, Frame-Relay, ATM), Wireless, Routing Protocol(EIGRP,OSPF,BGP)

Network Support Technician

Confidential

Responsibilities:

• Installed, configured, tested and troubleshoot network, VoIP phone, and server
• Tested and implemented various voice/date network
• Consulted with clients to identify network and voice issues
• Programmed and troubleshoot PBX systems and VoIP network
• Technology: Cisco routers, switches, Call Manager Express 3.2, Unity Express 2.1,Leases lines, frame-relay, ADSL, Voice mail, PBX, UCCE

Network Engineer

Confidential

Responsibilities:

• lead a schools management team
• Designed and implemented large WAN network for all of Confidential ’s more than 20,000 schools, government institutions and organizations
• Designed, installed, configured, monitored and tested Cisco Routers and Switches, Lucent ATM switches, Frame Relay Switches(Avaya(Nortel))
• Maintained Network Management System like as HP Openview, and Lucent EMS systems

Technology: Cisco Routers and Switches(GSR, 2600, 2500. Catalyst 6500, 3700, 3500, 2900, 1900), Junifer M series, ATM switches( Nortel, Lucent, Fore), LAN(STP,VTP,802.1X), WAN(ATM, Frame-Relay, ISDN), Routing Protocol(OSPF, BGP),UNIX Server, Checkpoint firewall, Unix Shell Scripting