Tier 2 or 3 tech support

Graham Personnel Services
  • Greensboro, NC
  • $75,000–$90,000 Per Year
  • Quick Apply
30+ days ago

Job Description

Tier 2 VoIP Technical Support resolves escalated tickets beyond Tier 1 scope. They troubleshoot core network configurations, SIP signaling, and VoIP hardware. The role demands deep telecom and networking knowledge to ensure high-quality voice delivery and resolve complex system incidents. 
Core Responsibilities
 
  • Advanced Troubleshooting: Diagnose complex issues like packet loss, jitter, NAT traversal, and SIP trunking or routing failures.
  • Escalation Point: Take over unresolved tickets from Tier 1, performing deep-dive analysis into call logs and network traffic 
  • Hardware & Software Configuration: Provision, program, and troubleshoot IP phones (e.g., Cisco, Poly, Yealink), softphones, and hosted PBX features.
  • Network & ISP Coordination: Assist customers with basic router, switch, firewall, and bandwidth configurations to optimize voice quality.
  • Ticket Management: Log all diagnostic steps, actions taken, and resolutions using CRM or ticketing systems. 
Key Requirements & Skills
 
  • Experience: 1–3+ years in a Tier 2 IT, telecommunications, or Unified Communications (UCaaS) environment.
  • Technical Knowledge: Strong understanding of networking fundamentals (TCP/IP, LAN/WAN), QoS, and VoIP protocols (SIP, RTP).
  • Analytical Thinking: Ability to interpret call traces, isolate points of failure, and resolve system configuration issues.
  • Communication: Exceptional ability to explain highly technical concepts clearly to non-technical end-users or stakeholders.
  • Certifications: Preferred certifications include CompTIA Network+, CompTIA Security+, or Cisco Certified Network Associate (CCNA).
  • Salary DOE 75k-90K
 

Numbers & Facts

LocationGreensboro, NC
Salary$75,000–$90,000 Per Year

Skills

  • Analysis Skillsunmatched
  • CCNA - Cisco Certified Network Associateunmatched
  • Cisco Network Systemsunmatched
  • CompTIA - Computing Technology Industry Associationunmatched
  • CompTIA Network+unmatched
  • CompTIA Security+unmatched
  • Configuration Managementunmatched
  • Customer Relationship Management (CRM) Systemsunmatched
  • Customer Support/Serviceunmatched
  • Firewall Administrationunmatched
  • Hardware Configuration Managementunmatched
  • IP (Internet Protocol)unmatched
  • Identify Issuesunmatched
  • Internet Service Providersunmatched
  • Local Area Network (LAN)unmatched
  • NAT (Network Address Translation)unmatched
  • Network Administration/Managementunmatched
  • Network Configuration Managementunmatched
  • Network Routersunmatched
  • Network Switchingunmatched
  • PBX (Private Branch eXchange)unmatched
  • QoS (Quality of Service)unmatched
  • Realtime Transport Protocolunmatched
  • SIP (Session Initiation Protocol)unmatched
  • Software Configuration Managementunmatched
  • Systems Administration/Managementunmatched
  • TCP/IP (Transmission Control Protocol/Internet Protocol)unmatched
  • Technical Supportunmatched
  • Telecommunicationsunmatched
  • Testingunmatched
  • Unified Communicationsunmatched
  • VoIP (Voice over IP)unmatched
  • Wide Area Network (WAN)unmatched

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