Technical Support Specialist
Phoenix, Maricopa County, Arizona, 85001, USA
Listed on 2026-10-30
-
IT/Tech
Technical Support, IT Support, VOIP Engineer
Location: Remote
Employment Type: Full-Time
Schedule: Monday – Friday | 9:00 AM – 5:00 PM EST
English Level: Fluent English (C1 or above)
Experience: 1+ year of relevant experience
About the CompanyWe are hiring for a U.S.
-based cloud communications provider specializing in VoIP phone systems, unified communications, contact center solutions, and AI-powered voice technologies. The company supports businesses across industries such as healthcare, legal, hospitality, and financial services.
We are looking for a Technical Support Specialist with hands-on experience in VoIP troubleshooting, SIP signaling, and network diagnostics.
The ideal candidate is analytical, detail-oriented, and comfortable investigating complex voice-service issues, identifying root causes, and communicating technical findings clearly to both customers and internal teams.
Key Responsibilities- Troubleshoot escalated VoIP issues, including failed or dropped calls, audio quality problems, latency, jitter, and packet loss.
- Analyze SIP signaling, call flows, and SIP ladder diagrams to identify communication failures.
- Use Wireshark, tcpdump, or similar tools to investigate network traffic and packet captures.
- Diagnose networking issues involving TCP/IP, DNS, NAT, firewalls, routing, and QoS.
- Review call logs, traces, and monitoring data to identify root causes.
- Coordinate technical escalations with engineering teams, carriers, and vendors.
- Communicate troubleshooting findings and next steps to technical and non-technical stakeholders.
- Maintain accurate support documentation and contribute to internal knowledge resources.
- At least 1 year of experience in technical support or troubleshooting within VoIP, telecommunications, unified communications, contact center, or SIP environments.
- Working knowledge of SIP signaling and call flows.
- Hands-on experience using packet-capture tools such as Wireshark or tcpdump.
- Solid understanding of networking fundamentals, including TCP/IP, DNS, NAT, firewalls, and routing.
- Strong analytical and problem-solving skills.
- Ability to troubleshoot technical issues independently using a structured, evidence-based approach.
- Excellent written and verbal communication skills.
- Fluent English, both written and spoken.
- No university degree required.
- Fully remote position.
- Monthly compensation of USD 1,400 – 1,600.
- Full-time schedule, Monday through Friday.
- 10 days of paid time off (PTO).
- U.S. holidays.
- Initial training and onboarding.
The selection process includes 1–2 interviews and a technical skills assessment.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).