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. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can proudly bring your authentic self to the workplace. Join us. You'll do the best work of your career right here at Comcast. (In most cases, Comcast prefers to have employees on-site collaborating unless the team has been designated as virtual due to the nature of their work. If a position is listed with both office locations and virtual offerings, Comcast may be willing to consider candidates who live greater than 100 miles from the office for the remote option.)
Job Summary
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. This role works across SIP peering interconnects, IMS platforms, Session Border Controllers (SBCs), and related voice network technologies to ensure reliable connectivity between Comcast and external carrier, wholesale, syndication, and enterprise partners. The position collaborates with engineering, operations, vendors, and external partners to troubleshoot issues, implement network changes, improve service reliability, and support the introduction of new capabilities
Job Description
Note: this role is based in our downtown Philadelphia Comcast Technology Center. It is not approved for remote or virtual employment.
This position is ineligible for visa sponsorship. To be considered for this role, you must be legally authorized to work in the United States and not require sponsorship for employment now or in the future
Responsibilities:

• 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.
• Consistent exercise of independent judgment and discretion in matters of significance.
• Regular, consistent and punctual attendance.
• Other duties and responsibilities as assigned.

What You Can Expect

• Exposure to carrier-grade voice technologies and large-scale production infrastructure.
• Opportunities to build expertise across SIP signaling, IMS platforms, carrier interconnects, and voice network operations.
• Collaboration with experienced engineers, vendors, external carriers, and cross-functional partners.
• A role focused on service reliability, operational excellence, and continuous improvement for mission-critical communications platforms.

Required Qualifications:

• 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.

Preferred Qualifications:

• 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 Linux systems, scripting, or operational automation.
• Exposure to incident management, service restoration, and root cause analysis processes.
• Understanding of carrier peering, telecommunications operations, wholesale voice services, or voice service delivery models.
• Ability to identify opportunities for process improvement, documentation enhancement, and operational automation.

Disclaimer: This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.
Comcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.
Skills:
Session Initiation Protocol (SIP); Sonus Session Border Controller (SBC); Collaboration; Troubleshooting; Communication; Process Improvements
Salary:
Primary Location Pay Range: $85,686.38 - $128,529.58
Comcast intends to offer the selected candidate base pay within this range, dependent on job-related, non-discriminatory factors such as experience. The application window is 30 days from the date job is posted, unless the number of applicants requires it to close sooner or later.
The application window is 30 days from the date job is posted, unless the number of applicants requires it to close sooner or later.
Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work. Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non-sales positions are eligible for a Bonus. Additionally, Comcast provides best-in-class Benefits to eligible employees. We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That's why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality - to help support you physically, financially and emotionally through the big milestones and in your everyday life. Please visit the compensation and benefits summary on our careers site for more details.
Education
Bachelor's Degree
While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.
Relevant Work Experience
2-5 Years