Derrick Fleming Email & Phone Number

Alexandria, Va, Us

Lansdowne, Va, Us

London, United Kingdom , Gb

Assist client with developing procurement process for network related purchases.Assist client with inventory tracking system for networking components, chassis and network modules.Evaluate purchase request for network related items for accuracy and potential cost savings.Created Standard Operating Procedure (SOP) for procuring network equipment.Reviewed and consolidated network expansion guidelines to identify unique equipment configurations within the organization.Avoided over $40,000 in unnecessary maintenance cost for network equipment.Evaluate responses to Request for Quotation (RFQ) from resellers for network purchases over $1 Million.

Global, Us

Design, test, and implement Cisco Virtual Switching System (VSS) to simplify switch management, increase available bandwidth, and eliminate spanning tree issues.Design, test, and implement SSL VPN with Cisco AnyConnect VPN Client to allow remote users full secure access to resources on the internal corporate network.Design, test, and implement Dual Hub Dynamic Multipoint IPsec VPN (DMVPN) to allow interconnected sites access to the internal network, while encrypting traffic and providing redundancy in case of a catastrophic failure.Design, test, and implement conversion from EIGRP to OSPF to allow for dynamic routing with F5 Big IP load balancing hardware and other non-Cisco devices.Implement firewall and access list rule sets to improve security posture.Test and implement Cisco ASA-SSM modules capable of detecting and/or preventing possible attacks based on known signatures, which would further secure networks from possible attacks.Research and design fiber infrastructure solutions to reduce troubleshooting time and simplify patching.Design, test, and implement L2TPv3 tunnel over taclanes to extend layer-2 architecture with VRF Lite at layer-3 to isolate customer network traffic from the enterprise network.Configured Solarwinds Network Configuration Manager to capture running configuration from network devices and scheduled daily copy running configuration to startup configuration to ensure daily backups are archived and to ensure running configuration and startup configuration are in sync.Design, maintain, troubleshoot, and repair network infrastructure.

Administer SPECTRUM on multiple networks to improve network monitoring and backup capabilities.Lead network engineer for various training events to accommodate worldwide participation. Lead network engineer for Voice-Over-Internet-Protocol (VoIP) infrastructure.Design and implement VoIP architecture on Cisco and Nortel platforms segregation of call functions, redundancy during catastrophic failures, and load balancing among a Cisco CallManager cluster.Create a 5-year budget worth over $600K for future VoIP upgrades and services.Implement Cisco CallManager and Tandberg gatekeeper solution to increase security.Conduct bandwidth testing to establish requirements for various applications.Design, maintain, troubleshoot, and repair network infrastructure.Saved over $60,000 per year in phone charges by integrating a Cisco CallManager with an Avaya Definity PBX and deploying VoIP phones downrange to make long local calls.Conduct Network Interface Card (NIC) testing to optimize network performance.Install, configure, and upgrade routers switches and other network components.Develop documentation and provide training for employees and customers.Write Microsoft Access queries for ROTHR program to identify key component failures.Designed, implemented, tested, and established connectivity to DISA VoSIP enclave to provide worldwide secure VoIP capabilities.Lead network engineer during campus wide power outage to facilitate replacement of ATS's to improve power distribution.Ensure VoIP architecture is compliant with DISA STIGs and CCRI to improve security.

Troubleshoot, maintain, and repair computer systems hardware and software.Created Microsoft Access databases.Performed year-end compliance testing.Assisted in creating and maintaining a "backup" strategy for critical department data.Configured computer workstations and established connections to the network.Designed and maintained department website.Imported and exported data from Oracle databases.Trained employees on query writing.

Mem, Engineering Management

Bs, Computer Engineering