Voice Platform Engineer
Core
Ensure stability, performance, and evolution of Comcast's voice platforms supporting residential, wholesale, syndication, enterprise, and partner services.
Role type
Voice Platform Engineer (Engineer 2)
Builds
Reliable voice communications across the Comcast ecosystem via IMS infrastructure and carrier interconnections
Domain
Telecommunications / Voice Network Operations
Deliverable
infrastructure
Required skills
SIP signaling troubleshooting, IMS platform management, Session Border Controller (SBC) operations, carrier interconnect coordination, incident response, root cause analysis, network change implementation, technical documentation, system performance analysis, automation initiatives
Preferred skills
SIP/SDP/RTP/TLS/ENUM knowledge, packet analysis tools (Wireshark), Linux systems, scripting, operational automation, incident management processes, carrier peering models
Technologies
SIP, IMS, SBC, BGCF, Wireshark, Linux
Responsibilities
Support operation and maintenance of SIP peering interconnects and voice edge infrastructure; Monitor, troubleshoot, and resolve SIP signaling and call routing issues; Participate in incident response, outage restoration, and root cause analysis; Coordinate with internal teams, external carriers, and vendors; Assist with testing and implementation of network changes; Develop and maintain technical documentation and runbooks; Analyze system performance and recommend improvements; Contribute to automation and process improvement initiatives; Support onboarding of new partners and services
Seniority
Mid-level IC (2+ years experience)