SUMMARY

• Innovative, achievement - oriented Network Engineer, Cisco CCNP certified, proactive self-starter. Expert level abilities in a network router/switch/WiFi configuration, implementation and troubleshooting.
• Excellent communication and documentation skills. Able to quickly learn and apply new technologies and adapt to new environments.
• Effective team worker experienced in leading technical teams, equally comfortable working alone wifout supervision.Network equipment and technology including: Cisco ISR 1900/2900/3900/4400/ASR 100x Routers and Catalyst 2960/3650/4500/6500 Switches;
• Cisco ASA 5505/5510/5512-X/vASA; Cisco ACS, IBM/Lenovo EN/CN4093/G8124E, HP, Nortel/Bay, D-Link switches

TECHNICAL SKILLS

Data Center equipment including: Cisco UCS-E,C,B,M series, NEXUS 7k/5k/6k/2k/1kv, IBM/Lenovo PureFlex System x220/x240/x440 blades, EMC VMX, Netapp E5600

LAN/FC implementation (fiber optic & copper): 1Gb/8Gb/10Gb/16Gb/40Gb

Wireless equipment various brands: Cisco/Linksys, D-LINK, TP-LINK, ZyXel, Huawei, ZTE

WAN Network technologies: ADSL, xPON, 3G/4G LTE modem

VoIP equipment and solution: Digium VoIP cards, Grandstream, Asterisk

Protocols: IPv4, IPv6, RIP, EIGRP, OSPF, BGP, IPSec, HSRP, VRRP, GLBP, LACP, EtherChannel, vPC, vLAG, STP, QoS, TACACS+, RADIUS

Wireshark, router packet capture and similar troubleshooting tools:

Familiar wif PowerShell, VBScript, Bash:

Network Management: Cisco Prime, Cisco ISE, HP OpenView, Zabbix, Cacti

OS, virtualization and addition

Network services: Windows Server 2003/2008/2012/Hyper-V, VMWare 4.1/5.1/5.5/6.0, Ubuntu/Centos Linux, MS PKI, DNS, DHCP, VPN, firewalls, proxies etc.

PROFESSIONAL EXPERIENCE:

Confidential, Morrisville, NC

Product Engineer, Networking and SAN

Responsibilities:

• Troubleshooting L3 network issues wif LENOVO/IBM/Cisco hardware including Ethernet and Fiber Channel switches, NICs, HBAs, CNAs, and Blade computer systems.
• Providing technical expertise to global support teams on problem determination/isolation, tan provide action plans to resolve client issues on complex modular systems and high performance LENOVO/IBM server hardware.
• Configuring network/FC/FCoE/iSCSI LENOVO/IBM/Cisco/Brocade switches for VLANs, LACP, vLAG, Zoning, Trunking, NPV, NPIV, VMWare 5.1/5.5/6.0 virtualized network components for test purpose in time of recreating customer’s issues.
• Identifying problems by reviewing logs from switches, OSs, and me/O vendor tools.

Confidential, Morrisville, NC

Network Engineer

Responsibilities:

• Installing, configuring, and supporting a large-scale production and corporate network infrastructure including Cisco routers, switches, EMC/Netapp/Cisco UCS datacenter equipment, console servers, and optical/cooper transport equipment.
• Troubleshooting network hardware and software, working wif 3rd party hardware vendors and suppliers on root cause analysis and resolution.
• Scheduling and performing network maintenance, repair, and upgrade tasks as needed while limiting teh impact on teh production network.
• Using internal software, tools, and scripts to configure, monitor, and repair network equipment.
• Physically replacing and configuring various network components on network infrastructure including routers, switches, console servers, and optical/copper transport equipment.
• Troubleshooting network cable/patch panel/device/configuration issues, isolating and fixing them
• Maintaining asset inventory of defective and replacement parts, RMAing them if needed, as well as obtaining technical assistance when troubleshooting device problems.
• Installing and configuring Windows 2012R2, Ubuntu/CentOS/Red Hat Linux VMWare 5.5/6 OS and services.

Confidential

IT Expert

Responsibilities:

• Recommending and implementing corporate network technology standards: VPN, ACL, RSTP, LACP.
• Redesigning network architecture and implementing PortChanel, L3-switching for improve network performance and fault tolerance.
• Deploying new network and WIFI equipment: Cisco at Distribution/Core Level, D-LINK at Access Level, Nexus 1000v at VMWare 5.5.
• Improving Internet connection resiliency and fault tolerance by implementing Dual homed connections to two ISPs.
• Deploying and configuring restriction for Internet access and VPN connections based on Cisco ASA, Cisco VPN and SQUID for Linux.
• Monitoring and maintaining network devices wif Zabbix, Cisco CP, Cisco ASDM software
• Troubleshooting network-retailed issues.
• Ensuring quality of service of network resources and services for users (Internet, VPN, E-mail, file share) on a timely basis manner.
• Providing IT Support and Internal Consulting function for users remote and on-site.
• Deploying new virtual servers and configuring existing virtual servers in VMWare 5.5 HA enviroument.

Confidential

IT Expert

Responsibilities:

• Teh work was at branch BZS in Caracas, Venezuela.
• Supervising teh staff of two system engineers and three technicians.
• Creating necessary documentations (MS Visio) for LAN / WAN and servers support including physical and logical organization, IP addressing scheme, access policies, routing policies, VLANs, and IPSec VPNs (Cisco Catalyst 3650/4503 and HP based LAN; Cisco ASA5510 based WAN).
• Redesigning LAN and implementing L3 switching instead L2 switching for improve resilience and fault tolerance.
• Designing, testing in teh lab enviroument and implementing Dual homed connections to two ISPs, IPSec site-to-site VPN between 3 remote sites and EIGRP rouing.
• Designing and deploying restriction for Internet access based on Cisco ASA and SQUID for Linux.
• Monitoring, configuring and troubleshooting network devices wif Cisco Works, Cisco ASDM, Wireshark.
• Implementing VoIP telephony between three sites based on Asterisk and sip-phone software.
• Implementing QoS for guarantee a quality of VoIP connections.
• Implementing OTRS ticket system for end users halp desk supporting.
• Deploying new VMs, troubleshooting related issues and configuring migration in VMWare ESX 5.0 enviroument.

Confidential

IT Team Lead

Responsibilities:

• Leading teh team of two system engineers and two software developers.
• Redesigning old and deploying new Cisco-based network structures to improve performance and fault tolerance according new SLA.
• Lead and mentoring system engineers in process installation and setup new Cisco equipment.
• Testing and implementing Cisco SSL VPN solution for remote users (Cisco ASA 5510, Cisco ASDM).
• Creating and updating necessary documentations (MS Visio) for LAN / WAN and servers support including physical and logical organization, IP addressing, ACL, routing policies, VLANs etc.
• Monitoring and troubleshooting IT infrastructure wif Cacti, SolarWind Netflow, Kiwi syslog, Wireshark.
• Implementing Spiceworks software like halp desk ticket system and IT inventory system.
• Designing and deploying migration process from hardware to virtualized Hyper-V server environment.
• Ensuring quality all IT services for company users on a timely basis manner (SLA based).
• Analyzing IT services and infrastructure to determine wat is teh major problems and improvements needed to be made (WAN, LAN, Virtualization, Specific Software Development).
• Providing Windows 2008R2 Server and related services supporting.
• Budgeting and implementing new IT technology according IT strategy.

Confidential

IT Expert

Responsibilities:

• Supervising teh team of four system engineers.
• Designing Gigabit Ethernet LAN (copper, WiFi and optic) for 500+ ports each in 2 locations.
• Documenting and sustaining all up-to-day changes (MS Visio) for network including physical and logical organization, IP addressing, ACL, routing policies, VLANs etc.
• Setting up and configuring Cisco switches, providing IOS upgrade, implementing VLAN, PortChanel, HSRP and RSTP to provide great level of resiliency.
• Setting up and configuring site-to-site IPSec VPN wif using Cisco ASA 5510 and 5505.
• Using Cisco ACS in teh network to provide role-based access to Cisco devices.
• Setting up and configuring HP, DELL, IBM servers and OS (Windows Server 2003/2008 AD, DNS, DHCP, MS Cluster, NLB).
• Setting up and configuring EMS, HP data storage equipment and Dell DAS.
• Monitoring and troubleshooting IT infrastructure wif SolarWind Netflow, Kiwi syslog, Wireshark.
• Developing and implementing VMWare 3.5/4.0/4.1 virtualization.
• Providing Tier III network support for 350+ network users in each of teh 3 remote locations.

Confidential

Senior IT specialist

Responsibilities:

• As part of Network Team auditing, preparing, designing and installing LANs for clients (Copper Fast Ethernet/ Optic Gigabit Ethernet).
• Installing, configuring, firmware updating of a broad range of network equipments at client sites (Cisco routers, switches, Cisco ACS, PIX, 3com switches, D-link switches).
• Troubleshooting and resolving client's network issues wif new installed equipment in guarantee period by phone or on-site.
• Installing and configuring IBM, Dell and HP servers and EMC, Dell storage devices at client sites.
• Assisting client's IT staff wif OS installation and configuration (Windows Server 2003 and related services).
• Designing, implementing and supporting VMWare 3.0 infrastructure for Software Developer Team.
• Supervising teh team of five technicians