Wen Zeng

  • Network Engineer
  • Bedford, TX
  • Member Since Jun 09, 2023

Candidates About

 

Wen Zeng

Summary:

·         Over 12+years experienced in Network Engineer with superior skills in creating Cisco-centric Networking, Security and Wireless solutions.

·         Responsible for the configuration, implementation and operation of Cisco routers Cisco and L2/L3 switches.

·         Configure, monitor and troubleshoot Layer 2 & 3 Switches

·         Analyze business requirements in order to design and implement an infrastructural solution using any or all of the following Cisco technologies: LAN/WAN Routing Protocols & Switching, Wireless, WAN Circuits, OSPF, BGP, Load balancer, HSRP, QoS, Wireshark, VLANs, Port Channeling and ACS.

·         VLAN design and port assignments to meet business requirements.

·         Participate in upgrading CatOS/IOS image on Cisco devices including Cisco Routers 1600, 2600, 2800, 3600, and Switches 3550, 3560, 4500 series.

·         Good understanding of TCP/IP and Routing Protocols including RIP, EIGRP, OSPF.

·         Expertise level support experience on Ericsson OSS-RC 5.x-13x & ENIQ 11.x-13x for System administration on sun Solaris and window servers (WAS and OIS)

·         Set-up AXE-APG 40/43 NEs for OSS-RC and integrate for system configuration for fault configuration and performance management.

·         Perform software & hardware debugging and troubleshooting on the core nodes

·         EBID, Ericsson Business Intelligence Deployment installation , Configuration and Design Business Object KPI report template

·         Develops design documentations with detailed equipment list, routing design, migration procedures, as well as test plans for verification of proof of concepts.

·         Comfortable with design and troubleshooting of WAN technologies such as T1/T3 Circuits, frame relay, HDLC, PPP, MPLS and ISDN PRI/BRI.

·         Adept at performing Network Architecture and Design as well as Network Readiness Assessment and Troubleshooting.

·         Strong attention to detail in regards to architecture design, project planning and documentation

·         Ability to apply judgment, implement solutions, and resolve conflicts, all in a multi-tasked environment

·         Excellent communication and presentation skills.

·         In-depth Cisco technology knowledge in design, implementation, security and support

·         Excellent experience on TCP/IP, including packet-level traffic analysis

·         Expert knowledge of layer 3 routing and layer 2 switching

·         Excellent experience in Network Planning, Implementing, Configuring, Troubleshooting and Testing of networking system

·         Utilize Wireshark to do package analysis

·         Utilize Visio to document the network

 

Work Experience:

Lanecert.com. Bedford, TX                                                                              Jan 2015 to Present

Network Engineer

Responsibilities:

·         Manage and participate the complete life-cycle of the company internal network, including research, design, planning, and implementation, operations, maintenance and project management.

·         Responsible for the configuration, implementation and operation of Cisco 3745 routers Cisco 6509 and 3560 L2/L3 switches.

·         Provide network consultant service to difference clients, including oversight, maintenance, troubleshooting, hardware replacement, performance improvement.

·         Responsible to help team for troubleshoot, configure and resolve the issues regarding F5

·         Configure routing, switching and security equipment, including Cisco Frame Relay, ATM, Catalyst 2950, 3560, 3750, 3850, 4500, and 6500 series, ASA 5000 series, ISR 4000, 3900, 2900 series.

·         Performed load balancing and application level redundancy by deploying F5 BIG-IP

·         Layer 2 data network support: spanning tree solution, including PVST, RSTP, MST, and VSS, switches access, trunk and ether-channel connection, switch security and VACL. Layer 2 support of QoS and MultiCast.

·         Implemented Application layer security using F5 APM/ASM as well as Checkpoint

·         Implement OSPF, RIP, EIGRP, eBGP and iBGP routing protocols, and NAT, QoS, IPSec VPN, DMVPN, MPLS, including redundency, load balance and path control.

·         Worked on the configuration and troubleshooting of F5 load balancer

·         Configure and troubleshoot Multicast.

·         Monitor and handle network incidents. Access, troubleshoot and solve problems for network and

·         application issues. Configure and assist with implementation of network hardware, including routers, switches, firewalls, wireless controller and access points.

·         Document and present design and implementation proposals to Sr. Management for approval. Proficient with MS Visio, Word, Excel.

·         Develop standards for computer and network systems, including standards for wiring, equipment, system security, and routing protocol.

·         Maintain the standard for low-level design documentation and templates.

·         Set up the method of procedures for all network changes to the Infrastructure.

 

University of Texas at Arlington, TX.                                                                     Aug 2004 to Aug 2014

Network Engineer

Responsibilities:

·         Responsible for the configuration, implementation and operation of Cisco 3745 routers Cisco 6509 and 3560 L2/L3 switches.

·         Removed Cisco 3600 and 2600 series routers and Cisco 2900 series switches from the current infrastructure and replaced them with the Cisco 6509 or 3560 L2/L3 switches.

·         Configured and implemented Composite Network models consists of Cisco 3900 and 2900 series routers and Cisco 3750 , 4500 and 6500 Series switches

·         Configured RSTP, MST and used VTP with 802.1q trunk encapsulation. Provided port binding and port security wherever required. Provided router redundancy through HSRP.

·         Configured ether channels using PAgP and LACP.

·         Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.

·         Provided testing for network connectivity before and after install/upgrade.

·         Switching related tasks included implementing VLANS and configuring ISL trunk on

·         Fast-Ethernet and Gigabit Ethernet channel between switches.

·         Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area

·         Performed troubleshooting, while maintaining trouble ticket tracking, following

·         Internal/external.

·         Escalation procedures and customer notifications.

·         Design service for /upgrade/configure ALU’s IP/MPLS products e.g. 7705 SAS, 7210 etc.

·         Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route.

·         Administrated local Linux server system, including user, software, file, printer, and network management.

·         Re-architected local network implementations to optimize design and functionality, including network redesign for branches/campus locations.

·         Monitored performance and ensured network system availability and reliability.

·         Monitored network system resource utilization, trending, and capacity planning.

·         Researched and evaluated new cisco routing and switching technologies.

·         Implemented OSPF, EIGRP, RIP v1 v2 & v5 v6 and BGP routing protocols. Familiarized with Cisco IOS, NX-OS, IOS-XR.

·         Conducted LAN switching configuration and monitored Cisco switches (Catalyst 2950, 2960) and Multicast, VPN, engineered traffic control.

 

Certifications:

·         CCIE R&S (#50740)

·         SAS Certified Base Programmer for SAS 9

 

Education:

·         Master of Science in Computer Science.            University of Alabama, Huntsville, Alabama

·         Master of Science in Space Physics, Bachelor of Science in Space Physics. Wuhan University, People’s Republic of China