Eric Lenington Email & Phone Number

Foley, Al, Us

Remote

The Military Community Network ERG's mission is to embrace our military community, who support and encourage each other through shared experiences, external engagement with the MS Veteran Community, professional growth, and a focused veteran volunteer and employee recruitment strategy.The Military Community Network provides support within the military community at the Society, creating a network of common experience and connection. Our network is open to anyone with a connection to the military or those who are interested in learning more about how the Society is supporting the estimated 70,000 veterans living with MS.

Bartlesville, Ok

Network Architect, Manager, and Engineer as a focus throughout my career. Currently, I am acting Network Manager for Diversified Systems Resources. In this role, I am the technical team lead for everything Network related other than cellular phones and workstations. My team supports all switching, routing, network security, storage networks, UCS, Virtualized systems, Microsoft on-prem and O365. We also design and implement our enterprise DR/BCP plans using Cisco ACI best practices utilizing Nexus technology, Nexus Dashboard, Orchestrator, and Container Implementation. My team also supports our Enterprise voice solution using Cisco PCCE, UCS, Nimble, Calabrio, Finesse, etc. While at DSR my role has been to standardize, document, modernize and diversify our enterprise infrastructure to become truly redundant and agile.- Built new team of IT engineers redesigning all IT infrastructure to provide redundancy and fault tolerance while drastically improving performance for partnerships with many Fortune 500 companies. - Acted as Lead Engineer for Cisco, UCS, VMWare Enterprise+, SAN/NAS, Windows, Storage, Linux.- Cisco, Tintri, VMWare, Cohesity, Ubuntu, Debian, CentOS, Palo Alto Firewalls, Nexus, BGP, etc.- Lead migration from multiple legacy virtualization platforms including Citrix and HyperV with Dell/EMC storage solutions, consolidating on Cisco UCS and VMWare Enterprise+ and Tegile all flash storage.- Successfully relocated HQ/Datacenter to new location with improved environmentals and diversity.- Manage SMEs and provide support for Cisco Voice infrastructure, DevOps, and Microsoft O365.- Designed BCP/DR plan with off site Datacenter, BGP and Global Load Balanced Solution to provide seamless transition between sites in the event of a disaster.

Evergreen, Co

GSS is the top advanced security team leading the industry in Cisco’s Firepower and Firepower Threat Defense (FTD). As a company that has been incorporated since 1997, we have the experience to help with the most advanced security solutions needed today. As CTO of GlobalNet Systems Solutions, Inc, I have been in the business 20 years and have partnered with Todd Lammle, CEO of Globalnet Systems. Todd has penned over 100 Cisco technical books and has 36 years in Network Engineering and Security. We, at GSS, also have several of the top Cisco FTD engineers in the world. If you have any Cisco Firepower as well as the new Firepower Threat Defense (FTD) training or consulting needs, please allow us to discuss your business requirements with you. We are fast and efficient and will not waste your time! GSS finds great solutions for advanced security needs, and we also have the only pure FTD training on the planet. It would be our pleasure to help you!http://www.globalnetsys.com/

Tulsa, Oklahoma Area

Transitioned from Network Operations Manager to Service Delivery Manager where I will be focusing on the technical aspects of improving customer experience and process improvements within TierPoint. I remain in a technical role; however, I will be facilitating cross functional team building to improve TierPoint's managed services.

Remote Out Of Raleigh, Nc

- Managed Network Operations team of Tier II, Tier III, and Tier IV Engineers with 20+ members on the Network Operations Group services over 40 datacenters across the US with over 5000 customers.- Lead team of 4 ECS Engineers, two Senior Network Engineers and two Network Engineer IIs. ECS engineers are persistent to TierPoint’s largest clients and provide enhanced customer services provide white glove management for our customers’ environments.- Managed additional team of two Senior Network Engineers, an Application Engineer, and 5 Network Engineer IIs. - Network Operations supports approximately 5,000 customers across 41 datacenters as well as remote management of off-site customer equipment.- Established plans of action for OneTierPoint which consolidated various legacy companies into a single cohesive unit with common standards and practices which provide outstanding customer service and next generation network performance.

Tulsa, Oklahoma Area

- Provide high level technical expertise to support the WHS Network team in all activities. - Provide technical training and mentoring to junior level engineers/technicians.- Provide operational support of the Hosted Solutions core network infrastructure.- Offer design recommendations for improving core network performance and efficiency • Plan, install, and provide daily operational support for managed customer networking environments (switching/routing infrastructure, firewalls, load balancers, IPS/IDS, etc.)- Suggest future products as well as offer enhancements for existing products. - Consult with customers regarding network performance problems, ideas for design improvements, planning their environment turn-up, etc. - Participate in an on-call support rotation to ensure 24x7x365 coverage for critical core and customer infrastructure

Sunnyvale, Ca

- Designed and supported large multi-datacenter environment for worldwide mobile application network with datacenters in US and China and sites throughout South and Central America.- Supported large Juniper and Cisco network infrastructure across US and China with F5 load balancers and Riverbed WAN optimization for maximum utilization of available bandwidth.- Installed configured and supported Juniper firewalls with IPSec VPN tunnels to leverage shared bandwidth via the internet while providing necessary privacy and security.- Leveraged Juniper Virtual Chassis configurations to simplify configuration and management of large switching infrastructures including EX4200 and EX8200 platforms.- Designed and supported for multi-homed internet connectivity via BGP and OSPF routes and redistributions with local preference and AS prepending for route selections within BGP.- Planned and implemented MPLS network connectivity with IPsec tunnel backup for all corporate remote site access to company headquarters and development infrastructure.- Lead migration of AT&T datacenter connectivity from DS3 solution to next generation MPLS infrastructure providing additional redundancy and increased throughput while reducing costs.- Designed and deployed large campus wireless environment using Aruba APs and controllers

Mannford, Ok

- Designed, deployed, and maintained large IPTV network throughout Central, South, and Northeast Oklahoma based on Microsoft’s MediaRoom IPTV products.- Provided design expertise and engineering services to support deployment of new Juniper MX and EX routers and switches to replace existing Cisco 7606 infrastructure.- Supported system administrators with installations and deployment of Microsoft MediaRoom IPTV VHO and two remote VSO clients throughout Oklahoma.- Supported ISP LINUX servers including DNS, DHCP, Web Hosting and SMTP servers, etc.- Maintained and supported ISP infrastructure including Cisco 7600s, 7200s, other Cisco equipment, Brocade MLX series routers, and Juniper MX480s and EX4200s switches.- Specialized in multicast distribution and routing using PIM, PIM any cast, and IGMP V1/V2.- Facilitated faster troubleshooting through detailed logs listing all modifications or problems.

Tulsa, Oklahoma Area

Senior/Lead Network Engineer- Designed and Maintained Secure Enterprise Networks for Multi-Platform systems, including IBM, Tandem, and various UNIX operating systems, to support Payment Solutions for customers, including McDonalds, BP, Albertsons, Visa, MasterCard, Walmart, Costco, etc.- Designed remote failover capabilities with layer 2-7 switching via Brocade and Cisco ACE content switches, and diverse routing with OSPF, EIGRP, and BGP, minimizing static routes.- Implemented content switches which provide application level load balancing and polling of server process to ensure connections are always allocated to live server ports.- Brocade ServerIrons allow for SYN based connection limiting which prevents new connection requests from causing a denial of service to the application servers.- Directly managed customer relationships utilizing multiple vendor equipment and solutions.- Consulted customers on network design and implementation efforts including assisting Cisco Systems and customer with technical details on Costco enterprise network.- Designed, implemented, and supported multiple LAN/WAN networks for multiple customers, utilizing various mediums, OC192 to 56k leased lines in the WAN, 10Gbps to 10Mbps and Wireless LANs, and Dial for IP, serial lines for X.25 and SNA connections.- Designed and implemented VPN solutions utilizing available broadband services, reducing cost and increasing available bandwidth for reduced transaction processing time.- Ensured Information Security by implementing Cisco Secure ASA and Nokia Checkpoint Firewall solutions and IPSec encrypted tunnels for Inter-company communication.- Implemented Network Monitoring platforms with Microsoft, Linux, and Solaris based systems including MRTG, Solarwinds, RDD tool, HP OpenView, WhatsUpGold, and NetCool Suites.- Allowed operations center personnel to monitor network equipment and to train new employees on network equipment without risk of reconfiguration of devices.

Tulsa, Oklahoma Area

Network Design Engineer- Designed new national Enterprise Core Backbone for Internal Data Network to enable separate networks to be consolidated into one corporate enterprise network.- Supported network and application outages/problems, interfacing with both network and computer system vendors and both internal and external customers.- Designed corporate sales office networks to enable connectivity back to internal networks, site sizes ranging from 2-3-person connectivity to large campus environments.- Designed internetwork connectivity to support remote VPN clients.- Implemented BGPv4 in core, gateway, and DMZ network environments.- Installed DSL telemetry circuits for monitoring and support of DSL aggregation sites. - Used several corporate applications such as F&E and Remedy, for circuit ordering and design, and AutoCAD 2000 and Visio, for rack and floor space layouts

Tulsa, Oklahoma Area

- Performed duties as Lead Network Design Engineer for Voice over IP implementations across multiple WANs, MANs, and LANs including core network backbone.- Designed and configured multiple LAN/MANs with up to 3500 users per LAN and associated WAN connectivity utilizing multiple Cisco switches and routers. - Provided top level support for over 10000 network devices across internal network- Designed and configured MAN and Campus environments using fiber to interconnect existing buildings to better utilize WAN circuit bandwidth.- Designed networks with Multilayer Switch Feature Cards for 6500 series switches, allowing the switches to perform router functions in the core and distribution layer. - Designed, installed, and maintained networks making use of Gigabit Ethernet, Fast EtherChannel, VLANs, and high speed WAN Links, DS3s, OC3s and OC12s.- Segmented existing networks utilizing VLANs and VLAN Trunking Protocol to ensure most bandwidth per user and fastest possible LAN connectivity through Fast Ethernet and Gigabit switching.- Experience using distributed sniffers to detect and diagnose errors on networks including VoIP troubleshooting.- Utilized various routing and routed protocols for both LAN and WAN links, including OSPF, BGP, TCP/IP, IPX, HSRP, HDLC, IGRP, Frame Relay, and ATM.

Implemented Secure and encrytped LANs/WANs using Cisco, 3Com, and Cabletron equipment and ensured maximum efficiency through use of Routers, Switches, Encryption devices, and Concentrators.Migrated all networks from IGRP and Static Routes to OSPF.Maintained network security and privacy through use of access lists and firewalls.Trained personnel on Networking, Network Security, and Network Design.System Administration on multiple platforms including Sun/Solaris, WinNT, and HP-UX. Built and maintained Sun and Win NT Servers using NFS services and Unix and Window workstations for Large Secure LAN/WANs.Supported DNS servers, Oracle and Sybase servers, NMS, Office Automation servers, security servers, firewall servers, etc.

Implemented Secure and encrytped LANs/WANs using Cisco, 3Com, and Cabletron equipment and ensured maximum efficiency through use of Routers, Switches, Encryption devices, and Concentrators.Migrated all networks from IGRP and Static Routes to OSPF.Maintained network security and privacy through use of access lists and firewalls.Trained personnel on Networking, Network Security, and Network Design.System Administration on multiple platforms including Sun/Solaris, WinNT, and HP-UX. Built and maintained Sun and Win NT Servers using NFS services and Unix and Window workstations for Large Secure LAN/WANs.Supported DNS servers, Oracle and Sybase servers, NMS, Office Automation servers, security servers, firewall servers, etc.

Education record

Some Classes Completed, Ifsm

Education record