SUMMARY

• Results - driven and technically advanced professional with extensive experience in network engineering, spanning Cisco routing, switching, load balancing (F5), security, content delivery equipment, and Cisco VOIP solution/technologies. Instrumental in designing and rolling out new networks by leveraging latest available tools and technologies.
• Highly skilled in administering SolarWinds implementations and VOIP Cisco solutions deployment in line with organizational objectives.
• Acquire inclusive insights of various protocols, including DNS, DHCP, NAT, EIGRP, and BGP. Hands-on experience in installation of enterprise devices such as wireless LAN controllers as well as Cisco and Arista wireless cloud-based controllers. Well-versed in establishing datacenter sites with focus on centralizing organizational IT operations and equipment.
• Adept at spearheading multiple projects from inception to successful completion in collaboration with cross-functional teams. Substantial experience in network troubleshooting combined with strong capacity to uncover problems quickly suggest robust corrective actions.

TECHNICAL SKILLS

Confidential, Chicago IL

Senior Site Engineer

Responsibilities:

• Comprehensive Cisco Switch and Router command line experience. Ability to identify problems quickly and remediate issues (5- 10 years hands on experience).
• Developed inclusive insights of 802.1x operations, configuration, implementation, and troubleshooting.
• Attained primary understating of radius authentication process; pinpointed root causes which hinder devices authentication.
• Accomplished strong working knowledge of Cisco WLC GUI and command line administration. Strengthened firm grip over troubleshoot wireless client issues.
• Liaised with FlexConnect AP configurations, FlexConnect, and AP groups.
• Customize port-to-vlan mappings document and add required worksheets as required for projects. Add vlan information to the documents.
• Participate in design that includes type of switches required for a project, high availability, vlan and IP addressing design, and mapping vlans to ports (Cisco, Juniper).
• Create exceptions for, as well as blacklist/whitelist sites for security reasons using Auba ClearPass.
• Act as an internal interface and manage network related projects for the networking team, working closely with management and other resources within the team.
• Customize port-to-vlan mappings document and add required worksheets as required for projects. Add vlan information to the documents.
• Participate in design that includes type of switches required for a project, high availability, vlan and IP addressing design, and mapping vlans to ports.
• Configure, troubleshoot, and maintain different network infrastructure devices and services including routers, switches, internet services, VPN, firewalls, DNS, security, VOIP, wireless access points, and wireless controllers.

Confidential, Chicago, IL

Network Engineer

Responsibilities:

• Ensured wireless implementation across national locations, including initiation of secondary and tertiary controllers.
• Enabled successful configuration of Meraki wireless i.e., cloud-based controller.
• Experienced in network design, engineering, and architecture while maintaining a complex multi-datacenter environment.
• Devised and deployed in house VOIP Cisco solution, including Jabber rollout to company and server policy updates.
• Configure the site to site VPN tunnels to vendors using Juniper SRX, FortiGate 1000c, ASA 5520 and ASA 5505.
• Participate in design that includes type of switches required for a project, high availability, vlan and IP addressing design, and mapping vlans to ports (Cisco, Juniper).
• Configure, troubleshoot, and maintain different network infrastructure devices and services including routers, switches, internet services, VPN, firewalls, DNS, security, VOIP, wireless access points, and wireless controllers.
• Take active role in discussions relating to maintaining network infrastructure as well as contribute to ensuring reliable and smooth network operation.
• Make recommendations to management about technology strategies that both reduce cost and ensure robust network infrastructure.
• Take a leading role in the deployment of voice over IP network on cisco/juniper equipment at the access level, Cisco Unified Communications Manager and core across 200 sites.
• Act as an internal interface and manage network related projects for the networking team, working closely with management and other resources within the team.
• Provide network support, handle assigned tickets per company service level agreement, and collaborate with other resources to complete tasks/projects in a timely manner.
• Accurately document task/projects to ensure ease of access and business continuance.
• Work on Cisco switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues.
• Audit switches in datacenter cabinet and make recommendation about how to improve design.
• Secured $100K+ on monthly managed unutilized services.
• Upgraded 10-story wireless office to allow increase of over 100 contractors for large scale project.
• Addressed and resolved network issues in a timely manner aimed at providing quality network support.

Confidential, Mount Prospect, IL

Network Engineer

Responsibilities:

• Addressed network issues on various switches and routers; enabled successful VOIP technology implementation to 1200+ remote locations.
• Supported conversion to Cisco VOIP solution in 1000+ stores as well as led the solution deployment team of 15 contractors.
• Maintained and revamped communication systems while acting as a technical liaison / customer representative.
• Initiated ISDN testing and troubleshooting on a monthly basis to assure proper backups functioning.
• Managed network proactively using OpenView, SNMPc Concord, and various other tools.
• Updated network diagrams and documentation on outdated information in downtime.
• Configured data circuit upgrades from fractional frame relay circuits to MPLS using BGP to over 5000 stores.
• Launched new satellite network in 8000 remote locations used for multicast and network backup redundancy.

TECHNICAL SKILLS

Routers: , Cisco 2600, 2800, 3800, 3900, 7200, 7600

Switches: , Cisco 3550, 3750, 4500, 4900, 6500, 9000, Nexus 7K

Protocols/Services: , TCP/IP, UDP, Routing Protocols (RIP v1 & v2, EIGRP, OSPF, BGP), GLBP, VRRP, HSRP, QoS, CDP.

Network Management Tools: Wireshark, Health, SolarWinds, HP Openview, Netcoo

lS products/Services: , DHCP, TFTP, SMTP, Mac, Microsoft Server 2008, Windows7/Vista, VMware, Active Directory, & Microsoft Office Suite.

Firewalls: , ASA 5500 series, IPsec and SSL VPN, IPS/IDS, IOS, Fortigate, Juniper SRX

LAN Technologies: , Ethernet/ Fast Ethernet/ Gigabit Ethernet networks, VLANS, Inter-VLAN Routing, VTP, STP, PVST, RSTP (802.1W), Ether channel.

WAN Technologies: , MPLS, PPP, HDLC, T1/T3 and E1/E3.

Operating Systems: , Windows 2000/2003/2008, Windows Vista, Windows XP, Cisco IOS-XE, Cisco IOS, Junos

Server Applications: , ADS, DHCP, DNS, DFS