Summary
Overview
Work History
Education
Skills
Timeline
Generic

Jian Zellner

Boerne,TX

Summary

IT Support and Telecommunications Specialist with 6+ years managing enterprise unified communications, VoIP systems, and mobile device infrastructure. Proven expertise in large-scale telecom migrations, Zoom administration, and tier 2/3 technical support across distributed retail environments.

Overview

6
6
years of professional experience

Work History

IT Support/Telecom Specialist

HEB Store
San Antonio, Texas
05.2024 - Current
  • Managed deployment and configuration of 800+ Zebra ONE devices across all HEB retail locations throughout Texas and Mexico
  • Led technical implementation for statewide telephone system migration, importing all store endpoints into Zoom infrastructure
  • Configured and maintained thousands of Zoom Poly phone endpoints integrated with vertical telecom systems
  • Administered Zoom environment including license management, user provisioning, security compliance, and QoS optimization
  • Provided tier 2/3 support for mission-critical communications infrastructure maintaining operational continuity

Telecommunications Technician

GVTC
Boerne, Texas
11.2023 - 04.2024
  • Installed, maintained, and repaired fiber optic networks, copper wiring, and wireless communication systems
  • Facilitated VoIP system migrations for companies utilizing RingCentral, Citrix, Ooma, and Dialpad platforms

Help Desk Support

Telecom Inc
San Antonio, Texas
09.2021 - 09.2022
  • Provided technical support for TCP/IP, switching, routing, DNS, wireless, and VoIP systems across 400+ school locations
  • Managed network troubleshooting and end-user support across enterprise environments

Programmer/Software Tester

Accenture
San Antonio, Texas
11.2019 - 06.2021
  • Developed and executed test cases for Department of Defense, Department of Education, and Department of Agriculture projects
  • Analyzed production data and investigated test failures to determine root causes and propose bug fixes
  • Assisted with design and implementation of test and calibration equipment for new product development

Education

Trade School Certs - Information Technology

Year Up
Manhattan, NY
05-2017

Skills

Unified Communications: Zoom administration, Poly phones, vertical telecom systems

VoIP Platforms: RingCentral, Dialpad, Ooma, Citrix

Networking: TCP/IP, DHCP, DNS, LAN/WAN, VPN, wireless troubleshooting

Systems: Windows, Mac OS X, Active Directory, VMware

Tools: ServiceNow, Microsoft Office Suite, SharePoint, Exchange

Mobile Device Management: Zebra ONE device deployment and configuration

Timeline

IT Support/Telecom Specialist

HEB Store
05.2024 - Current

Telecommunications Technician

GVTC
11.2023 - 04.2024

Help Desk Support

Telecom Inc
09.2021 - 09.2022

Programmer/Software Tester

Accenture
11.2019 - 06.2021

Trade School Certs - Information Technology

Year Up
Jian Zellner