Tech Stack
JavaLinuxSOAPSwitchingVoIP
About the role
- Troubleshoot and resolve SIP/VoIP call failures by analyzing SIP ladder diagrams and protocol parameters
- Investigate and resolve routing/service logic issues on Ribbon C20, PSX, Application Server platforms
- Provide hands-on support and analysis of Ribbon SBCs to ensure call path integrity
- Collaborate with internal teams to address IP network-related problems, including routing and switching issues impacting voice services
- Leverage Linux-based tools and CLI for diagnostics and system-level troubleshooting
- Interface APIs (SOAP, JSON, XML, JAVA) for integration and automation support processes
- Assist in identifying issues related to legacy TDM switches and SS7 interworking, as applicable
- Assist with process documentation and training
Requirements
- Minimum 5 years of direct experience supporting SIP and VoIP technologies
- Proficiency in reading and interpreting SIP ladder diagrams and session parameters
- Strong knowledge of IP networking fundamentals (routing/switching)
- Hands-on experience with Ribbon SBC platforms
- Working knowledge of Ribbon voice infrastructure including C20, PSX, and Application Server
- Experience with Linux OS (preferred)
- Familiarity with APIs (SOAP, JAVA, JSON, XML)
- Competitive medical, dental, vision, and life insurance
- Employee assistance program
- 401K plan with company match
- Paid time off
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
SIPVoIPSIP ladder diagramsroutingswitchingRibbon SBCLinuxAPIsSOAPJSON
Soft skills
troubleshootingcollaborationprocess documentationtraining