Abdullah Abdulwahab

713-***-****

ady9su@r.postjobfree.com

Professional Summary:

5+ years of expertise as Network Engineer and Network Administrator in designing, performing Network analysis, troubleshooting, maintaining, and supporting complex network systems.

Proficient with network hardware and technologies including routers, switches, firewalls, Ethernet, Fast Ethernet, Gigabit Ethernet.

Implements, support and administer WAN, LAN, and Wireless system according to requirements.

Hands on experience in configuring Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.

Hands on experience in configuring Cisco Catalyst 3650, 4500, 6500 series switches.

Experience in LAN networking technologies (Spanning-Tree, VLAN, DTP, HSRP, VRRP, GLBP) and Experience in Routing Protocols (EIGRP, OSPF and BGP).

Participated as Team member for migrating services on Amazon Web Services (AWS) using Chef, Jenkins.

Experience in switch security and network security firewalls technologies; Experience with Sonic-wall, FortiGate, ASA.

VoIP Phones / Internet Phones Deploying and implementing SD-WAN.

Experience in Network Management Tools and sniffers like SNMP, Syslog server, Wire shark, hoping and Cisco works to support 24 x 7 Network Operation Centre.

Technical Skills:

Cisco Routers: 2941, ASR9001, ASR903, 7609.

Cisco Switches: 6500, 3650, 3750, 3850, Nexus 5k, Nexus 7k

Protocols: RIP, RIP v2, IGRP, EIGRP, OSPF, BGP, TCP/IP, SNMPV1/V2.

Network Topologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, OSI and TCP/IP layered architecture, IPV4/IPV6 addressing.

Security: F5 Load balancers, Palo Alto Firewall,Fortinet firewall Juniper/Net screen Firewalls, Cisco Content Engine, McAfee Web Gateways, Snort.

Networking Tools: Wireshark, Ethereal, Nagios, Cacti, hyping

Carrier Technologies: MPLS, MPLS-VPN.

Switching concepts: VLAN, STP, RSTP.

Design Tools: MS Visio Network Professional, MS-Project.

Work Experience:

Client: Lumen Technology (USPS) OCT 2021 - Present

Role: Network operation Engineer

Responsibilities:

As a Network Engineer, actively contributed to the design, configuration, installation, and maintenance of the network infrastructure.

Performed network implementation that includes configuration of routing protocols, leased lines, ISDN lines, VLANs and IOS installations.

Installation and Configuration of Cisco Catalyst switches 6509, 3750 & 3550 series and configured routing protocol

OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy.

Deploying and implementing cisco sdwan routers ISR1100 series managed through cisco vmanage console.

Full network stake deployment (core routers, firewalls, switches) using Juniper and Cisco tec

Working knowledge of MPLS VPN technologies in Service provider network.

Hands on experience in configuring Cisco ASR 9001 series router; configuring and troubleshooting IOS and IOS-XR devices in complex network; hands on experience with Juniper EX, MX series routers.

Worked with layer 2 switching technology architecture. Implemented L2 switching functionality, which includes the use

of VLANS, STP, VTP and their functions as they relate to networking infrastructure requirements including internal and external treatment, configuration and security.

Worked on installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP).

Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches.

Maintain and troubleshoot switch applications and Network connectivity including DNS, DHCP, LAN and TCP/IP issues.

Performed IOS upgrades on 2900, 3500 series Cisco Catalyst switches and 1800, 2600, 3600 series Cisco routers using TFTP.

Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.

Provide direct day to day support for various technologies.

Environment: Cisco 2948/ 3560/ 4500/ 3560/ 3750/ 3550/ 3500/ 2960/ 6500 Switches and Cisco 3640/ 1200/ 7200/ 3845/ 3600/ 2800 routers, DNS, DHCP, LAN, WAN, TCP/ IP, OSPF, BGP, EIGRP.

Client: Avenue 360 Health And Wellness. HOUSTON, TX Jan 2021 - OCT 2021

Role: Network Engineer

Responsibilities:

migrated services on Amazon Web Services (AWS) using Chef, Jenkins.

Gained expertise in designing, deploying and maintaining network and system management applications within an AWS environment.

Troubleshooting several scenarios based and complex networking as well as VoIP related issues.

Worked on 4500 Catalyst switches for LAN requirement and for troubleshooting LAN issues.

Involved in Troubleshooting of DHCP and other IP conflict problems.

Performing health checks on F5 load balancers and monitoring the status of the application servers.

Installing upgrades or hotfix to further F5 load balancing versions.

Creating I Rules on F5 for virtual machines and users.

Performed Switching Technology Administration including VLANs, inter-VLAN Routing, Trucking, STP, RSTP and Port Aggregation.

Configured RSTP, LACP and VTP on Nexus devices.

Administered network consisting of Heavy Cisco equipment such as Cisco 2500, 2600, 3640, 3945, 7200 series Routers, Cisco 6500, 4500, 3560, 2960, 2924 Switches, Cisco Pix firewall 500 series and Wireless Access points Cisco 1230.

Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup paths for the packet prioritization and EIGRP tuning.

Handling network devices such as Switches (Cisco Catalyst 2900 and 3500 series), Routers (Cisco 2600, 2800 and 7200 series), Firewalls, Load balancers etc.

Maintaining Checkpoint security policies including NAT, VPN and Secure Remote access

Configuring IPSEC VPN (Site-Site to Remote Access) on SRX series firewalls.

Maintained Corporate Firewalls & Analysis of firewall logs using various tools. Configured and troubleshooting of HSRP on Cisco routers.

Designed and configured the commands for QoS and Access Lists for Nexus 7K and 5K.

Environment: Cisco 6500/4500/3560/2950/2924 switches, Cisco 7200/3945/3640/2600/2500 routers, XML, HTML, Windows Server, Dot Net, CSS, Quality Center, jQuery UI, Java Script, EIGRP, RIP, VTP, RSTP, OSPF, TFTP, VOIP, Nexus 5k and 7k switches.

Client: MATTRESS FIRM, HOUSTON, TX Mar 2018 - Jan 2021

Role: Network Engineer

Responsibilities:

Configured EIGRP, BGP, and MPLS.

Implemented Load Balancing between Cisco L3 Switch by HSRP and GLBP.

Provided support regarding call routing, translation patterns, media resources etc.,

Configured redundant pair setup and synchronization between pairs on F5 load balancer.

Involved in migrating applications from NetScaler’s to F5 Big -IP environment.

Configure Firewall, IPS, QoS by SDM and provide security by Prefix list, Access- List and By Distribution List.

Moved Core switches and several non-Cisco devices under strict deadlines to maintain network functionality.

Satisfactorily Resolved Problems in timely manner with focus on providing a high level of support for all customers.

Implemented new ultra-secure networks in multiple data centers that included Cisco 6500s and Juniper security devices.

Designed VLAN's and set up both L2 and L3 logical to have it communicate to the Enterprise network.

Juniper: EX-2200, EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240

Scheduled preventive maintenance for fire-protection systems, including new protocols. Utilize MS Windows, Word, and Excel for reporting/documenting process.

Provide high level technical support, including identifying and resolving problems on Cisco supported products for e-Commerce infrastructure. This included external routing and internal/intranet routing for DMZ servers.

Prepared Engineering documents and Network diagrams in Microsoft Visio.

Delivered Departmental Efficiency through advanced engineering, technical support, and documentation procedures.

Environment: F5 Big-IP 1500,3400 module, Cisco 6500/3800/3600 routers, DMZ servers, XML, HTML, Quality Center, JIRA, Windows Server, CSS, JavaScript, AJAX, jQuery UI, jQuery, BGP, MPLS, EIGRP.

Client: THE HARRIS CENTER, HOUSTON, TX July 2016 - Feb 2018

Role: Jr. Network Engineer

Responsibilities:

Worked on Cisco routers 7200, 3800, 2800 and Cisco switches 4900, 2900

Key contributions include troubleshooting of complex LAN/WAN infrastructure that include

Configured Firewall logging, DMZs & related security policies & monitoring

Creating Private VLANs & preventing VLAN hopping attacks & mitigating spoofing with snooping & IP source guard

Installed and configured Cisco PIX 535 series firewall and configured remote access IPSEC VPN on Cisco PIX Firewall

Enabled STP Enhancements to speed up the network convergence that include Port-fast, Uplink-fast, and Backbone-fast

Configured network access servers and routers for AAA Security (RADIUS/ TACACS+)

Other responsibilities included documentation and change control

Responsible for Configuring SITE_TO_SITE VPN on Cisco Routers between Head Quarters and Branch locations

Implemented the security architecture for highly complex transport and application architectures addressing well known vulnerabilities and using access control lists that would serve as their primary security on their core & failover firewalls

Installation & configuration of Cisco VPN concentrator 3060 for VPN tunnel with Cisco VPN hardware & software client and PIX firewall

Involved in troubleshooting of DNS, DHCP and other IP conflict problems

Used various scanning and sniffing tools like Wire-shark

Hands on Experience working with security issue like applying ACL’s, configuring NAT and VPN

Documenting and Log analyzing the Cisco ASA 5500 series firewall

Configured BGP for CE to PE route advertisement inside the lab environment

Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues

Environment: Netrep, Solar winds, Windows server NT /2000 Windows 8, 7, XP.

Education:

University of Houston - COLLEGE OF BUSINESS.

Certification:

CCNP ENTERPRISE 2021

CCNA ROUTING AND SWITCHING 2020

NETWORK PLUS 2017

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