Voice Platform Engineer

Make your mark at Comcast – a Fortune 30 global media and technology company. From the connectivity and platforms we provide to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award‑winning technology team that turns big ideas into cutting‑edge products, platforms, and solutions that our customers love.

Comcast Voice Platform Operations is responsible for the stability, performance, and evolution of the voice platforms that support residential, wholesale, syndication, enterprise, and partner services. The team manages critical IMS infrastructure, voice routing platforms, and carrier interconnections that enable reliable voice communications across the Comcast ecosystem. The Voice Platform Engineer (Engineer
2) supports the operational health, performance, and continuous improvement of Comcast's voice platform infrastructure, working across SIP peering interconnects, IMS platforms, Session Border Controllers (SBCs), and related voice network technologies to ensure reliable connectivity between Comcast and external partners.

Downtown Philadelphia, Comcast Technology Center. This position is not approved for remote or virtual employment and is ineligible for visa sponsorship. Applicants must be legally authorized to work in the United States without a requirement for sponsorship now or in the future.

• Support the operation and maintenance of SIP peering interconnects and voice edge infrastructure, including SBCs, BGCFs, and related routing platforms.
• Monitor, troubleshoot, and resolve SIP signaling, call routing, and interoperability issues impacting voice services.
• Participate in incident response, outage restoration, root cause analysis, and service improvement initiatives.
• Coordinate with internal teams, external carriers, vendors, and technology partners to maintain service performance and reliability.
• Assist with testing, validation, and implementation of network and platform changes.
• Develop and maintain technical documentation, operational procedures, and support runbooks.
• Analyze system performance and recommend improvements to enhance platform stability and operational efficiency.
• Contribute to automation and process improvement initiatives that streamline operations and improve reliability.
• Support the onboarding and integration of new partners, services, and interconnects.
• Collaborate across engineering, product, operations, and vendor teams to deliver new capabilities and improve service quality.
• Consistently exercise independent judgment and discretion in matters of significance.
• Maintain regular, consistent, and punctual attendance.
• Perform other duties and responsibilities as assigned.

• Bachelor's degree in Engineering, Computer Science, Telecommunications, Information Technology, or a related technical field; or equivalent combination of education and experience.
• 2+ years of experience supporting telecommunications networks, VoIP platforms, IP network infrastructure, production systems, or large‑scale operational environments.
• Experience troubleshooting technical issues and driving problem resolution in operational or production environments.
• Working knowledge of networking fundamentals, including TCP/IP, DNS, routing concepts, and network troubleshooting methodologies.
• Ability to analyze technical issues, identify contributing factors, document findings, and support resolution activities.
• Strong communication and collaboration skills, with the ability to work effectively across technical teams, vendors, and business stakeholders.
• Ability to manage multiple priorities in a fast‑paced operational environment supporting critical services.

• Experience supporting SIP, IMS, VoIP, Unified Communications, or carrier networking platforms.
• Knowledge of SIP, SDP, RTP, TLS, DNS, ENUM, and related voice technologies.
• Familiarity with Session Border Controllers (SBCs), BGCFs, voice routing platforms, or carrier interconnect environments.
• Experience using packet analysis and troubleshooting tools such as Wireshark or similar tools.
• Experience with…