Principal Video Engineer-Xumo

Xumo, a joint venture between Comcast and Charter Communications, was formed to develop and offer a next-generation streaming platform for the entire entertainment industry. The company consists of three primary lines of business: Xumo devices, Xumo Play, and Xumo Enterprise. Powered by Comcast’s global entertainment platform, Xumo devices feature a world-class user interface with universal voice search capabilities, making it easy for consumers to find and enjoy their favorite streaming content. Xumo Play is a free ad-supported streaming TV (FAST) service offering hundreds of linear channels and on-demand options. Xumo Enterprise provides tools and services for content creators, distributors, and advertisers to make FAST content more accessible.

Job Summary This role entails leading the end-to-end development of scalable, secure, and high-performing software applications and resilient, low-latency media workflows. The position spans the full video lifecycle—including ingest, transcoding/encoding, packaging, and global CDN delivery (HLS/DASH, SRT, RTMP) for live and VOD platforms—while aligning technical architecture with business and user needs.

Beyond hands-on architecture and performance monitoring, this position involves mentoring team members, providing technical training, creating vital documentation, and collaborating with cross-functional teams to foster a supportive engineering environment that consistently meets high quality standards. The position requires monitoring performance metrics, offering technical expertise, and ensuring applications meet quality standard. Job Description Responsibilities:

• Design and architect resilient, low-latency media workflows spanning ingest, transcoding/encoding, packaging, and global CDN delivery (HLS/DASH, SRT, RTMP) for live and VOD platforms.
• Lead deep root-cause analysis for complex audio, video, and closed-captioning anomalies (CEA-608/708, SRT, WebVTT) at the elementary stream and frame level, resolving intricate PTS/DTS synchronization drift, encoding faults, and rendering errors.
• Own the lifecycle, custom patching, and source compilation of foundational open-source captioning and streaming libraries (such as libcaption and FFmpeg) to ensure production stability, cross-platform compatibility, and regulatory compliance.
• Architect and automate channel deployments utilizing pulumi and Typescript along with Python and Javascript.
• Leading the development and implementation of innovative software and web applications, ensuring they align with business objectives and user requirements
• Integrating new systems seamlessly with existing infrastructure, focusing on scalability, security, and continuous performance improvement
• Mentoring team members and providing technical training, fostering a collaborative environment for knowledge sharing and professional growth
• Collaborating with cross-functional teams to ensure successful application integration, advocating for best practices in software development
• Participating in or leading peer programming sessions, design sprints, or prototyping sessions
• Driving the creation, maintenance, and accessibility of comprehensive documentation for all development activities
• Monitoring application performance metrics rigorously, utilizing data to guide enhancements and ensure delivery aligns with project goals
• Providing expert technical advice and support to internal stakeholders and external partners, effectively communicating complex concepts
• Collaborating with the Quality Assurance team to confirm applications meet rigorous testing standards and fulfil technical requirements
• Consistent exercise of independent judgment and discretion in matters of significance.
• Regular, consistent and punctual attendance. Must be able to work nights and weekends, variable schedule(s) as necessary.
• Other duties and responsibilities as assigned.

Additional Info:

• Position is virtual based in OR

Employees at all levels are expected to:

• Understand our Operating Principles; make them the guidelines for how you do your job.
• Own the customer experience think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.
• Know your stuff be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.
• Win as a team make big things happen by working together and being open to new ideas.
• Be an active part of the Net Promoter System a way of working that brings more employee and customer feedback into the company by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.
• Drive results and growth.
• Support a culture of inclusion in how you work and lead.
• Do what's right for each other, our customers, investors and our communities.

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.

Skills Technical Knowledge, Transmission Engineering, Video Streaming

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Please visit the 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. Certifications (if applicable)

Relevant Work Experience 10 Years +

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.