Posted 2mo ago

Network & VoIP Helpdesk Support

@ Vivant
Farmers Branch, Texas, United States
OnsiteFull Time
Responsibilities:Provide support, Troubleshoot VoIP, Escalate issues
Requirements Summary:3+ years in technical support, hands-on troubleshooting of firewalls, switches, WAPs, PBX, and VoIP; strong networking fundamentals; SIP/RTP familiarity a plus; strong communication; phone-based support.
Technical Tools Mentioned:Cradlepoint, Ubiquiti, Meraki, Grandstream IP Phones, Vivant Proprietary PBX, Utiliko
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Job Description

100% In-Office with no WFH/REMOTE Setup.

We are looking for a Network & VoIP Helpdesk Support with hands-on telecom experience. Candidates must have real-world experience troubleshooting VoIP systems, SIP trunks, routers, switches, and WiFi networks. The role involves resolving call quality issues, connectivity problems, and basic network incidents in a live environment. Must be comfortable handling calls with commercial customers.

About the Role:

As a Network & VoIP Helpdesk Support, you will serve as the first-line technical support for our clients, handling inbound and outbound calls and support tickets. You will diagnose and resolve common issues and ensure a positive customer experience through clear communication and structured troubleshooting.

Key Responsibilities of a Network & VoIP Helpdesk Support

  • Provide helpdesk support for VoIP phone systems and internet connectivity
  • Respond to client calls, emails, and support tickets
  • Troubleshoot VoIP call quality issues, phone registration, and connectivity problems
  • Diagnose and resolve network-related issues involving routers, switches, firewalls, and WiFi devices
  • Assist with PBX configuration changes such as extensions, call routing, and IVR (call tree) setup
  • Support phone number porting and service provisioning for new clients
  • Configure and provision VoIP phones and networking equipment
  • Document troubleshooting steps and update support tickets accurately
  • Escalate complex issues to senior engineers when necessary
  • Follow up with clients to ensure issues are fully resolved.

Tools & Technologies We Use

  • Cradlepoint
  • Ubiquiti
  • Meraki
  • Grandstream IP Phones
  • Vivant Proprietary PBX
  • Utiliko Business Management System

Common Issues You Will Troubleshoot:

  • VoIP phone registration issues
  • IVR / call tree configuration
  • Poor audio quality or dropped calls
  • Network connectivity affecting SIP/RTP traffic
  • Firewall configuration and NAT traversal issues
  • Internet connectivity problems