Christopher Riavez
Bristow,VA
Summary
Accomplished and certified IT professional with experience in unified communications, routing, switching, network monitoring, and network operations. Keen ability to master new technologies and the drive to exceed customer requirements. Over 19 years of IT experience.
Overview
21
21
years of professional experience
1
1
Certification
Work History
Sr. Voice Engineer
Prime Technical Services
10.2023 - Current
- Responsible for U.S. Army Voice Modernization engineering. Installs and configures Cisco UCS BE7K, CUCM, Unity, Analog Voice Gateways, MGCP Gateways, T1/E1, Cisco CUBE.
- Develops cutover plan for over 18k VoIP and Analog endpoints to move from legacy Nortel environment to modern Cisco UC architecture.
Senior Unified Communications Engineer
Verium
03.2023 - 10.2023
- Architects and designs a 5 year lifecycle replacement plan for Cisco UC environment with products to include: CUCM, CUC, IM&P, CMS, TMS, CUBE, and Expressway.
- Works with outside vendors on new UC solutions to provide the best solutions for the customer.
- Provides Tier 3 support for all voice and video services. Advises junior engineers in troubleshooting, server buildouts and design.
Senior Unified Communications Engineer /Project Manager
Advanced IT Synergy
10.2020 - 03.2023
- Served as project manager and lead engineer for the design, installation, and configuration of Unified Communications hardware and software for USSOCOM's Special Operations Command Research and Threat Evaluation System (SOCRATES) network.
- Managed a team of junior engineers to install and configure Cisco Unified Communications Manager (CUCM), Cisco Unity Connection (CUC), Cisco Instant Messaging and Presence (IM&P), Cisco Meeting Server (CMS), VQ Communications Manager, Cisco Unified Computing System, Ribbon Session Border Controllers, and VMWare in four locations across the globe.
- Engineered encrypted voice and video communications across USSOCOM's network boundaries to other interagency partners via the use of Cisco Expressway and Ribbon Session Border Controllers.
- Ensured systems met standards defined in Security Technical Implementation Guides (STIGs) and proper accreditation through the Defense Intelligence Agency's (DIA) Risk Management Framework (RMF) process.
- Successfully accomplished accreditation and received a full Authority to Operate (ATO) for 15 UC systems.
Unified Communications Engineer
Jacobs Technology
04.2019 - 10.2020
- Directly responsible for the configuration, upgrades, and troubleshooting of 14 Call Manager clusters, 6 Unity Voicemail clusters, 6 Instant Messaging and Presence (IM&P) clusters and one VBrick REV streaming video and content management solution.
- Collaborated with architect on the future design of simplified global dial plans through the use of Cisco Session Management Edition (SME), migrating legacy TDM PSTN connections to SIP, improving bandwidth management capabilities and rapidly deploying new solutions to the end user.
- Integrated Call Manager with Video solutions throughout the enterprise to include Cisco TelePresence Video Communication Server (VCS), Cisco Meeting Server (CMS), and Cisco TelePresence Management Suite (TMS). Effective integration of Voice and Video solutions provided a seamless end-to-end user experience.
Unified Communications Administrator
AT&T & Jacobs Technology
11.2017 - 04.2019
- Maintained a Cisco Voice, Video and Instant Messaging enterprise solution consisting of Call Manager, Instant Message and Presence, Unity Connection, Telepresence Video Communications Servers, Multipoint Control Unit (MCU), Cisco Meeting Server (CMS) and Telepresence Management Suite.
- Configured and troubleshot endpoint devices and protocols to include SIP, SCCP, and H323. Worked on a team that resolved over 525 incidents and change requests per month.
- Administered, upgraded and deployed new version of VBrick REV for video content upload, streaming, and recording for a large enterprise. Worked with vendor to fix issues and integrate with existing Unified Communications platforms.
Network Monitoring Administrator
AT&T
05.2016 - 11.2017
- Monitored tens of thousands of devices for a global enterprise utilizing SolarWinds Orion Network Performance Monitor (NPM) and Enterprise Operations Console (EOC).
- Interpreted engineering diagrams, mapped networks in SolarWinds Network Atlas, collected metrics, developed alerts and created reports for management. Ensured accurate SNMPv3 configurations across a variety of equipment.
Satellite Communications Technician
Leonardo DRS
02.2016 - 05.2016
- Responsible for the monitoring and troubleshooting of over 900 remote satellite terminals across the globe. Ensured all connected terminals performed at optimal network performance.
- Processed satellite access requests and built modem configurations for a multitude of satellite terminals.
Telecommunications Operator /Maintainer
United States Army
10.2003 - 02.2016
- Worked on a plethora of technologies supporting military operations across the globe. Installed, configured and maintained Microsoft Windows Domain Controllers, Exchange Servers and Antivirus Solutions. Installed remote satellite terminals in austere environments. Managed NSA approved cryptographic devices and material.
Education
Bachelor of Science - Computer Information Systems
Saint Leo University
Saint Leo, FLAssociate of Arts - Technology
Pierce Community College
Puyallup, WA02.2015
Certification
- CCNP Collaboration : ID# CSC012479925 - Valid Through 05 Oct 2025
- CCNA Collaboration : ID# CSC012479925 - Valid Through 05 Oct 2025
- CCNP Switch 300-115 : Passed – 16 Dec 2016
- CCNA Routing Switching : ID# CSC012479925 - Valid Through 05 Oct 2025
- CompTIA Security+ : ID# COMP0010020317475 - Valid Through 25 Jul 2026
- ITIL Foundations v3 : ID# 5313812 - 23 March 2015 - Valid for Life
- CompTIA Linux+ : Currently Studying
Security Clearance
• Active TS/SCI - Recently Adjudicated - Continuous Evaluation
Timeline
Sr. Voice Engineer
Prime Technical Services
10.2023 - Current
Senior Unified Communications Engineer
Verium
03.2023 - 10.2023
Senior Unified Communications Engineer /Project Manager
Advanced IT Synergy
10.2020 - 03.2023
Unified Communications Engineer
Jacobs Technology
04.2019 - 10.2020
Unified Communications Administrator
AT&T & Jacobs Technology
11.2017 - 04.2019
Network Monitoring Administrator
AT&T
05.2016 - 11.2017
Satellite Communications Technician
Leonardo DRS
02.2016 - 05.2016
Telecommunications Operator /Maintainer
United States Army
10.2003 - 02.2016
Bachelor of Science - Computer Information Systems
Saint Leo University
Associate of Arts - Technology
Pierce Community College
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