Margueritte Duval-Dalton
AVAYA SENIOR Engineer
Talent
Rockville, MDMember since October 29, 2026
Telecommunications equipmentSupporting Unified Messaging (UM)Avaya Session Border ControllerE911 Redsky 911SecureAvaya Communication ManagerAvaya CM upgradesAvaya PLDSAvaya AMSAvaya Advanced Call CenterWFO/WFECloud SolutionsContact Center Call Flow & DesignMicrosoft Teams & CiscoTrunking SIP, H323 (IP), Digital, Analog (CO, DID)Avaya System ManagerAvaya Session ManagerAPIAvaya AAMAvaya ProvisionAvaya AADSAvaya Workplace/Workplace for agentAvaya CMMAvaya ACO RingCentralG450, G430, G650Complex Tier 4 trouble resolutionServiceNowRibon Session Border ControllerCall Back AssistCMS Supervisor
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Telecommunications equipmentSupporting Unified Messaging (UM)Avaya Session Border ControllerE911 Redsky 911SecureAvaya Communication Manager
About
Talented Unified Communications Engineer applying 30+ years of professional skills in support of corporate telecommunications infrastructure. Extensive knowledge of all Avaya products, and cloud solution RingCentral voice technologies. Technical expert level understanding of Avaya Aura products, including but not limited to; CM, SMGR, SM, CMS, SBC, Provision, SAL, AADS, US, PLDS, AAM.
MM, CMM, Media Servers. Extensive knowledge of dial plans, network regions, call routing, E911 applications, call recording, SIP, Cloud Solutions for UCas and Ccas.
Experience
AVAYA SENIOR Engineer - NWN Carousel - Suffolk, United States
(2023-08)
- Researched and recommended network and data communications hardware and software.
- Diagnosed and resolved complex integrated customer issues for implementation, add-on, maintenance and support of voice, data, VoIP and CTI applications.
- Initiated improvements to operational efficiency of network.
- Worked closely with network administrators and server engineers to deliver quality service.
- Performed complexed routing programming in CM, SMGR, and SBC for SIP routes.
- Installed, maintained and supported VoIP applications.
- Ran and analyzed call processing flows and traffic studies to determine optimum configurations.
- Installed, maintained and supported voice/data applications.
- Adapted and modified standard techniques, procedures and criteria to solve complex problems using industry best practies.
- Designed, installed and maintained organization's telephony network.
Unified Communications Engineer - ConvergeOne - CHESAPEAKE, United States
(2006-07 - 2023-05)
- Maintained appropriate environmental conditions in telephone equipment rooms.
- Implementation for new Avaya systems, add-on, maintenance and support of voice, data, VoIP and CTI applications.
- Initiated improvements to operational efficiency of network.
- Worked closely with network administrators and server engineers to deliver quality service.
- Performed network modeling and analysis.
- Installed, maintained and supported VoIP applications.
- Analyzed call processing flows optimum configurations and implement suggested changes.
- Maintained documentation for telecommunication systems, equipment inventory and call routing.
- Installed, maintained and supported voice/data applications.
- Adapted and modified standard techniques, procedures and criteria to solve complex problems.
- Installed and maintained organization's telephony network.
Telecommunications Engineer - Sentara - Norfolk, VA
(2001-05 - 2006-06)
- Performed telecommunication and networking business evaluations.
- Researched and recommended network and data communications hardware and software.
- Installed, maintained and supported voice/data applications.
- Monitored overall network performance.
- Identified poor quality lines and underutilized circuits.
- Installed, maintained and supported IVR applications.
- Diagnosed and resolved complex integrated customer issues for implementation, add-on, maintenance and support of voice, data, VoIP and CTI applications.
- Interpreted electrical schematics and design documents for system installation and build-out.
- Maintained documentation for telecommunication systems, equipment inventory and floor plans.
- Designed, installed and maintained organization's telephony network.
- Maintained appropriate environmental conditions in telephone equipment room.
- Ran and analyzed call processing flows and traffic studies to determine optimum configurations.
- Installed, maintained and supported VoIP applications.
- Coordinated installation of new users and the relocation of existing users.
- Performed day-to-day monitoring, management, administration and support of alarm systems.
Telecommunications Engineer - Bank Of America - Norfolk, VA
(1995-11 - 2001-04)
- Performed telecommunication and networking business evaluations.
- Researched and recommended network and data communications hardware and software.
- Installed, maintained and supported voice/data applications.
- Monitored overall network performance.
- Installed, maintained and supported IVR applications.
- Ran and analyzed call processing flows and traffic studies to determine optimum configurations.
- Coordinated installation of new users and the relocation of existing users.
- Read technical manuals and literature to stay abreast of new technology.
Education
High School Diploma - Churchland High School
Computer Science - Tidewater Community College
Skills
AVAYA SENIOR Engineer
