Chris Lambeth Email & Phone Number

Texas, United States

Texas, United States

Dallas-Fort Worth Metroplex

Worked with several clients to perform Professional Services implementations for various security products from several industry leading vendors.Deployed implemented and configured firewalls such as Cisco Firepower, Fortinet Fortigate, and Palo Alto Networks firewalls using vendor recommended best practices and the latest firmware and methodology.Implemented and worked with firewall management platforms such as Cisco Firepower Management Center and Cisco Defense Orchestrator, Palo Alto Networks Panorama, and Fortinet FortiManager.Worked with clients for all phases of projects, from design and planning to final testing and validation of new solutions, including post-implementation Knowledge Transfer sessions to ensure that clients had a positive understanding and comfort level with their new solutions.Studied extensively with vendor portal training material to maintain certifications to assist GDT in maintaining upper-tier partnership levels with the top security solution vendors in the industry such as Palo Alto, Cisco, Fortinet, and others.Guide each client/project through the process of project planning, milestones, level of effort, and expectations to bring each project to a satisfactory resolution.Built documentation for each project including High Level Design, Low Level Design, Method Of Operation, and other necessary documentation for the completion of projects and knowledge transfer.Attended vendor training seminars for Fortinet’s Fortigate, FortiManager, Forti-SD-WAN, and Palo Alto’s Prisma SD-WAN products and architectures.Projects included: Cisco Umbrella deployment, firewall platform migrations (including Meraki, Palo Alto, Cisco ASA, Cisco Firepower, Fortigate), VM firewall deployment in Public Cloud space for customer DR strategies, several “green-field” and “bare-metal” deployments for security solutions, Tenable Nessus vulnerability scanning, and standard T&E support for various clients.

Fort Worth, Texas, United States

Identified, planned, and deployed updated security measures and practices across the entire network environment.Expanded company to new branch sites as required. Made decisions on equipment to deploy and design of branch environments. Planned and implemented projects to update and streamline network the environment from the data center level down to the branch sites, including deploying security boundaries to each branch site.Identified and mitigated any network security anomalies and ensured that the company’s infrastructure was as secure and hardened against outside attacks and compromise as possible.Identified room for improvement around the company’s network and aggressively took steps to mitigate any potential shortcomings.Implemented dynamic routing throughout the network using EIGRP through a series of planned maintenance windows, vastly improving network performance and connectivity between the DC and all branch sites.Spearheaded efforts to deploy SD-WAN across the company’s environment.Overhauled the company's entire AnyConnect (SSL VPN) infrastructure and rebuilt in a more modern, secure manner.Planned network redesign to not only streamline overall performance but to allow for future growth, scalability, and expansion of the company as a whole.Recommended and implemented various management tools such as Kiwi Syslog Server, CatTools, and SolarWinds NPM to aid in network management and HIPAA compliance.Rolled out and configured SolarWinds NPM with all available network gear, including customer alerts, node grouping, etc.Identified multiple legacy cost centers and consolidated services where applicable to eliminate unnecessary company expenditures.

Richardson, Tx

Primarily responsible for network/infrastructure vulnerability remediation and FedRAMP compliance management across two federally facing teleconferencing based network environments. Also responsible for general maintenance of environments including general user requests and break-fix situations.Researched mitigation procedures for numerous vulnerabilities identified from Qualys vulnerability scanners on a wide range of network and infrastructure devices.Worked exclusively in WebEx FedRAMP and Hosted Collaboration Services – Government environments which were both held to strict FedRAMP (Federal Risk and Authorization Management Program) security standards.Worked with several teams across the company to implement new products, network and device monitors, and automation tools for various aspects of environments.Tasked with remediating vulnerabilities on a wide variety of network and infrastructure devices, including routers, switches, load balancers, ACS servers, and Nexus Data Broker devices.Through my efforts, I was able to maintain a low and manageable number of vulnerabilities across 2 production environments and one lab environment, all of which required FedRAMP security standards.Participated in annual audits conducted by Third Party Assessment Organization (3PAO) representatives for both Federal environments.Worked as sole infrastructure support resource for 2 FedRAMP environments, working to keep all hardware up to date with the correct/necessary software revisions and security configurations.Supported several technologies with the 2 environments I was tasked to manage, including Nexus 9k, 7k, 5k, and 2k switches, Cisco 4900 and 2600 series switches, ASR, ISR, and 3900 series routers, and Citrix Netscaler load balancers.Supported CentOS Linux based Nexus data broker servers.

Irving, Texas, United States

Primarily responsible for network/infrastructure vulnerability remediation and PCI/FedRAMP/FISMA compliance management across a wide variety of network segments within a large web hosting environment. Also responsible for general maintenance of environments including both US Federal Government facing and non-federally facing environments, including general user requests and break-fix situations.Coordinated with a special project team to remediate various network vulnerabilities between numerous sites worldwide.Researched mitigation procedures for numerous vulnerabilities identified from vulnerability scanners such as Nessus, Retina, and Qualys.Applied mitigation procedures to various infrastructure devices including switches, routers, firewalls, and load balancers.Coordinated with resources company-wide to identify and remediate hardware in various network segments.Vetted by United States Department of Veteran Affairs for clearance as a US Government contractor to work on Federal facing and GSAT devices.Worked primarily with environments that required FedRAMP, FISMA, and PCI security standards.Worked on a sub-project to help identify rogue/unknown hosts across the network for remediation.Implement vulnerability remediations through a stringent change management process to ensure quality and accuracy of all work implemented to the production environment.Assisted other engineers and departments, as necessary.

Usa

Worked as a dedicated resource to a leading network security and firewall provider. Received training in layer 7 firewall and security implementation and management. Earned ACE7 and PCNSE6 certifications.Attended Palo Alto Networks boot camp training and security engineer summit to learn about various company products and the implementation of those products.Worked with PAN’s senior professional services engineers on customer migrations and solution deployments.Gained multiple security certifications from Palo Alto Networks.Learned functionality of core features such as App ID, Content ID, and User ID in PAN firewalls.

Frisco, Tx

Worked on a team to manage Cisco based infrastructure in NA region, supporting 1800 series routers, 2900 and 3700 series switches, ASA 5500 series firewall based on various customer tickets submitted from the entire region, ranging from minor infrastructure changes to major site outages.Used network tools such as NetScout, SolarWinds, Remedy ticketing software, ITSM ticketing software, Cisco VPN, and coordinated with Verizon Enterprise Services to maintain the region-wide network.Managed region-wide wireless network, which included both autonomous and lightweight Cisco Aironet Access Points, managed by either an onsite Wireless LAN controller, or a remote Wireless Service Module mounted in 6500 series Catalyst switch chassis.Served as ASA platform specialist, working to configure and implement new firewall solutions for various customers.Worked with nationwide client supporting their help desk functions, supporting issues ranging from Windows OS issues, Outlook 2010, Exchange, and MS Office 365Worked with Cisco load balancers, including the Content Service Switch (CSS) and Application Control Engine (ACE) platforms.Supported Bluecoat Secure Gateway appliances, implementing configuration requests for customers.Wrote technical documentation to aid in knowledge transfer for department employees.Trained new-hires in the Global Infrastructure department for a fortune 50 client on network and ticket queue management.Assisted in technical interviews for new hires into the Global Infrastructure NetOps department.Assisted in support and maintenance of Ubuntu Server based syslog server to which all network infrastructure hardware sent logs.Helped enhance team dynamic by writing company technical documentation and organizing a weekly team knowledge sharing meeting to discuss technical issues, customer service strategies, and further the team's cross training on available technologies.

Irving, Tx

Worked as Network Engineering resource for special project team to update addressing scheme across the company's internal network environment and all customer environments.Coordinated with a special project team to facilitate migration, external IP restructure, and internal IP restructure for upwards of 100 customers between multiple data centers.Performed discovery analysis on customer environments to determine depth and overall map of environments, as well as determining all devices, shared and dedicated, that affected each customer.Performed discovery analysis on specific devices such as Citrix NetScaler load balancers and Cisco ASA firewalls to determine exactly what configurations in any given device needed to be adjusted to facilitate migration to new DC, and how.Documented and shared all relevant information using wiki and MS Visio, and saved to MS SharePoint server as necessary.Trained with Network Implementation Engineers, gaining overview of company environment and company procedures for customer turn-ups.Trained with Network Support Engineers, gaining knowledge of company policies, procedures, tools, and various other aspects of company operations.Assisted other engineers and departments as necessary.Performed full network/IP level audit of customer Lego’s entire environment, consisting of hundreds of servers, switches, load balancers, and routers between 2 data centers, compiled data and submitted it for both internal and customer use.Facilitated network and support tool access for employees from both Verizon and Terremark into each other’s environment to facilitate support for new product offering.Worked with routing and switching configurations that included Layer 2, Layer 3, and NAT/PAT in Cisco based network devices.

Dallas, Tx

Worked overnight shift handling issues from server and security hardware to OS level problems to application level problems.Monitored Nagios network monitor over multiple data centers, responded to alerts accordingly.Wrote company procedures and documentation as neededMonitored Data Center (managed and co-location) for any anomalies with the servers, such as hardware issues or outagesPerformed maintenance windows as neededPrepared all decommissioned customer ASA firewalls for redeployment to productionWorked with customers to help form new strategies (security, hardware, hosting, etc)Gained overview of and began learning VMWare administrationBuilt production servers from ground up for customers (including hardware, OS, and other requested applications)Worked with customer to configure new CheckPoint firewall to replace failed unit.

Plano, Tx

One of your typical "IT Guy" positions, that included heavy windows user support, heavy Debian Linux server administration, and the maintenance of a Cisco based network infrastructure. One of those involved-in-everything positions. Administrated network based on Debian Linux, Windows Server 2008, and Windows XP ProfessionalAdministrated Linux/LDAP/Samba based Windows domainInstalled and configured Nagios server from scratch to monitor entire network including all network devices and services associated with each deviceSet up and configured Mailtraq email server from scratch, including all user accounts, spam filtering, etc.Set up routers for new T1 connections on 2 networks (Corp. HQ and branch office)Rolled out XMPP based instant messaging service to all internal company usersAssisted in the administration of Asterisk VOIP server for internal phone systemInstalled and implemented Nagios network monitor across entire network, installed, implemented, and migrated entire company to new MailTraq email server solution, and maintained entire network and servers across the company to ensure stability and user satisfaction.

Dallas/Fort Worth Area

Worked as a network administrator over a web hosting network that consisted of 99.9% Cisco gear and over 30,000 servers. Developed and implemented process for deployment of security (ASA firewall) solutions for customers. Maintained infrastructure of Cisco routers, switches, and firewalls to ensure customer uptime and satisfaction.Monitored Nagios network monitor over both data centers, responded to alerts accordingly.Tracked down and mitigated DDoS attacks as necessary.Administrated multi-data center Cisco and HP network consisting of 30,000 servers over LAN/WAN Investigated and worked to correct various latency issues on and off of the networkBuilt out TCP/IP private networks for customers.Managed VLAN assignments on EIGRP based network using Cisco infrastructure with layer 2 switching.Implemented security solutions for customers using Cisco ASA adaptive security appliances.Performed remote and on-call work as required.Assisted support department as needed to maintain servers running various platforms such as Debian, CentOS, Windows 2003 server.Wrote Policies and Procedures manual for networking department.Worked in conjunction with other departments to complete data center audits.Worked with engineers to expand network and implement layer 3 switching and OSPF in new network segment.Achievements include being working with roll out and expansion of new network to fresh data center space, authoring Policies and Procedures manual for Networking department, streamlining firewall deploy process to new customers.

Dallas/Fort Worth Area

Software Testing & QC / IDS analyst / Junior Admin / User Support / Technical Documentation