Darrell Ellis Email & Phone Number

• Accomplished enterprise-wide WAN resiliency design by implementing robust strategies, ensuring uninterrupted data connectivity and fortifying network reliability against potential disruptions.• Achieved enhanced data security through the meticulous design of security services and infrastructure protection, bolstering the organization's defense mechanisms against cyber threats.• Optimized data center connections for seamless integration and operation, ensuring high-performance levels that align with business requirements.• Spearheaded the implementation of enterprise managed WANs, collaborating with cross-functional teams to drive successful project delivery and cultivate a cohesive work environment.• Elevated network security measures through the implementation of BGP with carriers, deployment of Palo Alto Firewall/Panorama/GlobalProtect, and management of Cisco Meraki/ASAs/Firepower/FMC/IPsec VPN/9300 Catalyst/Nexus for data center management. Additionally, executed Fortinet NGFW SDWAN deployments and upgrades to further fortify the organization's network infrastructure.

Us

• Accomplished the design and implementation of new network configurations for 100+ district offices across the United States, ensuring seamless integration.• Successfully supported MPLS, BGP, and OSPF environments using diverse router platforms (Cisco 3800, 3900, 4300, 2900, and ASR 1001-x).• Executed the deployment of over 60 new WAN circuits, enhancing connectivity and expanding network capabilities.• Achieved network remediation for more than 10 Supply Plants, optimizing their operational efficiency and reliability.• Created comprehensive network infrastructure documentation through Visio diagrams and Excel spreadsheets, and implemented WAN traffic engineering using BGP community values to strategically control routing policy upstream

Phoenix, Az, Us

• Accomplished a resilient network refresh across LAN, Data Center, and remote sites by orchestrating meticulous planning and execution.• Designed and executed the Extranet infrastructure environment, ensuring seamless integration for enhanced connectivity.• Successfully integrated MPLS, BGP, and VRFs environments through strategic deployment of ASR 1002 router platforms.• Delivered comprehensive support for both Internet and Extranet environments, ensuring uninterrupted network functionality.• Facilitated a smooth transition to the new network infrastructure and provided adept assistance during the migration process.

Phoenix, Az, Us

• Orchestrated a seamless transition for all four European sites, shifting from the AT&T MPLS cloud to the British Telecom MPLS cloud by expertly designing and implementing BGP, guaranteeing uninterrupted network connectivity.• Effectively rolled out the British Telecom MPLS presence, ensuring a smooth migration of European sites and elevating overall network efficiency to new heights.• Implemented BGP across the British Telecom ISP cloud, optimizing routing paths and elevating network performance to meet and exceed operational standards.• Architected and executed a robust WAN/LAN infrastructure for Africa, Europe, and North America sites within a comprehensive network remediation project, establishing a foundation for resilient connectivity and reliability.• Configured and deployed multiple ASA5510's and ASA5505 VPN site-to-site tunnels for remote users, fortifying secure communication channels and facilitating seamless data exchange

Rockville Centre, Ny, Us

• Orchestrated the seamless integration of the Cisco Nexus platform into the network infrastructure through collaborative efforts with the professional services team. This initiative led to the design and establishment of a resilient core, distribution, and access-layer switch network.• Executed the deployment of an array of Cisco switches, encompassing Asr's, Nexus 7K's, 5k's, 2000, 4500's, and 3750x's, across diverse network landscapes. This strategic deployment significantly contributed to advancing electronic records initiatives and optimizing the operational efficiency of the network.• Spearheaded the successful implementation of electronic records initiatives by strategically deploying various Cisco switches (Asr's, Nexus 7K's, 5k's, 2000, 4500's, 3750x's) within multiple network environments. This deployment not only enhanced overall network functionality but also elevated performance standards.

Tucson, Az, Us

• Orchestrated comprehensive support for campus and remote site WAN/LAN infrastructure by devising an integrated core switch network through VLS. Consolidated core switches, and extended VLS to distribution and server farm switches for seamless functionality.• Spearheaded the establishment of TMC's disaster and recovery infrastructure in Las Vegas by formulating and executing the requisite design and deployment strategies.• Executed the deployment of numerous Cisco switches across our environment, fostering the realization of the "One Chart" (Epic) initiatives.

Arlington, Va, Us

• Accomplished the design and support of Raytheon's classified and unclassified networks in Arizona and California by creating a new network infrastructure for unclassified networks in new buildings, incorporating data, voice (VoIP), and wireless components.• Achieved regular network refreshing every two years by designing and deploying a systematic network update process, ensuring the continued efficiency and functionality of the infrastructure.• Successfully implemented Quality of Service (QoS) for Avaya VoIP deployment across enterprise MAN/LAN, enhancing network performance and ensuring seamless communication

• Accomplished WAN/LAN infrastructure support for the campus and remote sites by implementing strategies and network performance tools. Used EIGRP and BGP routing protocols to establish capacity planning, proactive performance monitoring, and enhanced troubleshooting capabilities.• Directed the implementation of network infrastructure across 20 remote locations, conducting operational tests to ensure optimal system functionality and availability. Proactively identified and addressed potential issues, preventing problems and errors for successful release and deployment.• Designed and executed proactive measures for the entire corporate enterprise, enhancing network performance through the use of routing protocols. This approach facilitated capacity planning and increased troubleshooting capabilities for improved overall system functionality.

Mountain View, California, Us

• Accomplished WAN/LAN infrastructure (Novell Netware and Microsoft) support for the campus and all remote sites, ensuring seamless operations.• Implemented self-taught VoIP technology into the corporate infrastructure with minimal expense, resulting in cost savings of approximately $1 million dollars.• Led the development and execution of offshore Data/VoIP infrastructure between the United States and India, as well as the design and implementation of stateside Data/VoIP infrastructure between Intuit and business partner Sento. Directed cross-functional teams to strategically place network monitoring tools, facilitating the decommissioning of obsolete tools through a 30-day proof of concept that became the deployment template for the production environment.