Corey Alexander Email & Phone Number

Plano, Texas

Dallas, Texas

Plano, Texas

PADI Open Water Scuba Instructor (October, 2017)PADI Assistant Instructor (October, 2017)Emergency First Response (EFR) Instructor (August, 2017)PADI Dive Master/Discover Scuba Diving Leader (March, 2012)

Plano, Texas

Plano, Texas

• Engineer for Service Assurance/Cloud Experience Manager; Enhanced integration framework for automated testing• Moved to Netsocket Virtual Edge (NVE) product, a Cloud-managed, Distributed, Secure Virtual Router; Specifically worked on the core router Platform components Virtual Flow Controller (vFC) and Virtual Flow Switch (vFS); Focused on all areas of vFC/vFS development, from FreeBSD configuration and application-layer/command line interfaces to custom drivers• Designed stateful firewall, packet logging, and related security capabilities for ICSA Labs testing• Developed and enhanced routing capabilities, including IP spoofing detection, directed broadcast and dynamic routes• Contributed to tunnel protocol between vFC/vFS components; Implemented AES256-based tunnel encryption and mechanism to securely store local tunnel key• Developed ICE/STUN capability• Contributed to single-IP and dual WAN capabilities, improving on original design• Developed tunnel statistics subsystem and tunneled ping mechanism between vFC/vFS to derive latency, forward TTL, and other relevant data; Designed means to derive loss, out-of-order, and outlier statistics for tunnel packets• Enhanced time synchronization between vFC/vFS and other components in NVE system• Developed ICMP support on vFS• Produced diagnostic tool to decrypt tunnel payload from pcap files of tunnel packets, and to provide driver diagnostic data• Implemented Wireshark plugin for proprietary protocols between vFC/vFS, including encrypted tunnels, route distribution protocol, provisioning, and ping sweeps• Integrated mechanism to control and save FreeBSD kernel crash dumps for later analysis• Solely responsible for management and resolution of all Platform defects, concurrent with development tasks• Developed and maintained automated build process, integrated with CVS and overall NVE builds

Coppell, Tx

• Lead designer on Telephony Feature Server (TFS) project using Java, focused on conferencing/transfer functionality and TR-87 interoperability with Avaya Aura Contact Center• Implemented and managed Avaya Aura lab for TFS development; maintained CS2100 lab used for TFS/Aura/AS5300 interoperability• Drove implementation of remote connectivity on TFS project for TMA/MERA personnel• Solution Owner for AS5300 Release 3.0 Enterprise LSC (ELSC) product• Served as on-site AS5300 design resource at DISA JITC in Ft. Huachuca, AZ, for two weeks in May, 2012• Provided issue analysis and resolution for System Verification and Avaya Government Solutions personnel• Served as design liaison for ELSC beta trial site run by Avaya Government Solutions personnel• SME for Acme Packet SBCs in AS5300 R3.0 ELSC solution• Primed opportunity to simplify SBC configuration for ELSC solution, cutting days to hours by providing workflow leading to functional SBCs; modified custom Perl configuration tool, integrating custom human-readable file format; developed Perl utility to parse and analyze SBC configurations; developed Excel/VBA Job Aid tool to capture all relevant ELSC data and generate SBC configuration data files; developed scripts to install and configure distributable Cygwin environment for running configuration tool• Created Perl script solution to Personal Agent monitoring for ELSC enclave failover/recovery• Managed various aspects of ELSC design and SV labs, including re-IP’ing enclave subnets; setting up and maintaining Contivity VPN servers; setting up additional servers/VMs for additional enclaves and “remote” LSC systems; working with network prime to implement IPv6• Developed custom C++ design “patch” executable to allow CS2100 CICM component to perform DHCP reset on legacy Nortel UNIStim terminals, facilitating UNIStim-to-SIP migration procedure • Continued as prime for CS2100 design-related tasks, ultimately transitioning product to Genband

Richardson, Tx

• Managed local CS2100 team members on behalf of remotely-located manager• Handled CS2100 product transition into Avaya• Overhauled Java-based CS2100 MEFM web application, re-branding per Avaya-specific design patterns, implementing numerous improvements/fixes• Developed DSN Hybrid Routing functionality for Nortel CS2100 product in Nortel-proprietary Protel language, for integration with AS5300 solution and compliance to UCR specifications

Richardson, Tx

• Managed 12 designers, conducted employee reviews, assessed performance relative to overall organization and peers, and coordinated resource contention between multiple projects• Managed multiple projects using formal software development processes, including design resource and activity management, and overall R&D project management• Interacted directly with customers and executive leadership to facilitate critical issue resolution• Advised technically on multiple projects• Participated in CSC/DISA-led project reviews and multi-vendor meetings for Assured Service• Facilitated and coordinated CS2100 design resources for acquisition of Enterprise organization• Participated in IETF 63-65, updated and submitted two RFCs on ECN-based admission control, presenting to MMUSIC and AVT working groups during IETF 63

Richardson, Tx

• Collaborated with CSC/DISA to develop Assured Service requirements, developed prototype admission control mechanism on Java-based SIP soft-clients and call server for real-time voice and video communications, participated in CSC/DISA-led project reviews and multi-vendor meetings, and demonstrated prototype to customer• Participated in IETF 61-62. Drafted and submitted three RFCs on ECN-based admission control• Implemented 1200 Series Terminals and i2050 Softphone in C++ on CS2100 CICM component• Documented requirements for ANSI T1.619a signaling and for Assured Service on SIP terminals• Prototyped control/mirroring concept between soft-clients and VoIP terminals in Java; developed and documented API• Implemented Key Expansion Module (KEM) support in C++ on CS2100 CICM component• Accepted complete development and support responsibilities on accelerated schedule for IGW Access VoIP product, a multi-component, multi-protocol H.323 solution comprised of gateway (C, VxWorks), gatekeeper (C++), and terminal server (Java)• Contributed to twenty deliverables over eleven software releases in Nortel-proprietary Protel language, including: three as team lead; eight as advising or contributing peer; and three involving cross-team collaboration• Functioned as software packager for two releases, wrote three custom design estimates, wrote four software patches, provided over 200 problem resolutions, and audited twice for ISO• Received Awards of Merit for Innovation (1997), President’s Award for Quality (1997), Customer Satisfaction (1998), and Invention Award for Patent Application Filing (2000)• Promoted to Senior Member of Scientific Staff in October, 1997; to Advisor in March, 2001

Bachelor Of Science Computer Science (Bscs), Computer Science, G.P.A.: 3.475/4.000 (Overall); 3.825 (Computer Science); 3.500 (Mathematics)

Computer Science with strong Minor in Mathematics

Mathematics And Computer Science