David Grzeslo

David Grzeslo has a diverse work experience in the telecommunications industry. David started their career as a Field Installation Specialist at Telcom Innovations Group, where they trained and supervised a team during customer installations of PBX systems. David also worked as a Voice and Data Systems Technician, where they handled database entries, programmed various types of phones, and completed requests via a ticketing system.

At Triantan CCC LLC, David worked as a Convergence Systems Junior Engineer, performing after-hours on-call duties, installing new data environments, and conducting site surveys for pre-sales engineering. David then advanced to the role of Convergence Systems Senior Engineer, acting as a system administrator for internal PBX and Unified Communications, serving as an SME for the ConvergeConnect platform, and leading implementation engineering projects.

Most recently, David worked at Access One, Inc., first as a NOC Engineer and then as a UCaaS Engineer. As a NOC Engineer, they provided tier 2 support for voice and data services for enterprise customers and utilized various tools for investigative purposes. As a UCaaS Engineer, they provided tier 3 support on the Metaswitch Hosted PBX platform and Microsoft Teams Voice, conducted internal onboarding of new employees, and audited customer information as necessary.

Overall, David Grzeslo's work experience showcases their expertise in telecommunications systems, customer support, project management, and technical troubleshooting.

David Grzeslo completed their Bachelor of Science degree in Geography from Northern Illinois University, where they studied from 2006 to 2011. David also obtained several certifications, including Avaya Communication Manager and Avaya IP Office from Avaya, Mitel MiVoice Business from Mitel, SSCA from The SIP School, and Vertical Wave IP 500 from Vertical Communications. However, the specific months and years of when they obtained these certifications are unknown.