Technical Support Engineer VoIP PBX
New
C
CodeForceTelecommunications
Karachi, Sindh, Pakistan. El Salvador. Dominican RepublicFull-TimeMiddle
Salary not disclosed
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Job Details
- Experience
- 5+ years
- Required Skills
- PostgreSQLRESTful APIsLinuxNetworking
Requirements
- 5+ years of experience in technical support, IT support, telecommunications, networking, or a related field.
- Strong troubleshooting and analytical skills.
- Working knowledge of TCP/IP networking.
- Experience troubleshooting Windows and/or Linux systems.
- Basic understanding of DNS, DHCP, NAT, VPNs, and firewalls.
- Strong customer-service and communication skills.
- Ability to work independently and manage multiple support tickets.
- Ability to document technical issues clearly and accurately.
- Experience with VoIP, SIP, hosted PBX, or telecommunications.
- Experience with FreeSWITCH, Asterisk, FusionPBX, or similar platforms.
- Experience with SIP phones such as Yealink, Poly, Grandstream, or Cisco.
- Experience with Wireshark or SIP packet captures.
Responsibilities
- Provide Level 1–2 technical support by phone, email, ticketing system, and remote sessions.
- Troubleshoot customer issues involving VoIP, SIP, hosted PBX, phones, SMS, networking, and software.
- Diagnose problems by gathering logs, reproducing issues, and analyzing system behavior.
- Clearly communicate technical solutions to customers with different levels of technical knowledge.
- Maintain ownership of tickets from initial report through resolution.
- Escalate complex issues to Level 2/3 engineering when necessary.
- Troubleshoot SIP registration, calling issues, audio quality, and call routing.
- Review application and server logs to identify problems using command-line tools.
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