Comcast · 20 hours ago
Sr. Principal Machine Learning Engineer
United States
Full-time
Remote
Senior Level, Lead/Staff
$192K/yr - $451K/yr
15+ years expComcast is a leading media and technology company, and they are seeking a Sr. Principal Machine Learning Engineer to lead the design and evolution of their ML stack. The role involves architecting systems for performance advertising and collaborating across teams to enhance ad delivery efficiency.
InternetTelecommunicationsTVVideoWeb Hosting
Responsibilities
Set vision and technical direction for the long-term ML strategy and roadmap for ad ranking at Universal Ads, including model architecture, infrastructure, and deployment frameworks
Architect and scale distributed ML systems capable of real-time decisioning across high-throughput ad environments
Partner with product and marketplace teams to align model performance with user and advertiser outcomes
Drive technical direction for cross-functional initiatives involving bidding algorithms, pacing, and system optimization
Shape technical culture, and ensure high standards for research rigor, reproducibility, and code quality
Establish strong experimentation and evaluation frameworks (A/B testing, counterfactual analysis, etc.) for model validation and pacing control
Represent Universal Ads externally in technical forums, publications, or conferences to shape the broader conversation around ML in advertising
Design and own ML data pipelines end—to-end, ensuring data cleanliness and freshness, and establishing the standards and infrastructure for reliable model inputs across ranking and pacing systems
Qualification
Required
Bachelor's Degree
15 Years +
Company
Comcast
Comcast is a media and technology company that provides broadband internet, mobile services, and entertainment platforms. It is a sub-organization of SkyShowtime.
10001+ employees
H1B Sponsorship
Comcast has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (705)
2024 (561)
2023 (624)
2022 (750)
2021 (588)
2020 (583)
Funding
Current Stage
Public CompanyTotal Funding
$4.92BKey Investors
California Public Utilities CommissionMassachussetts Broadband InstituteMaine Connectivity Authority
2025-11-13Grant· $3.2M
2024-07-02Grant· $2.69M
2023-04-24Grant· $0.28M
Leadership Team
Neil Smit
President and Chief Executive Officer
Candy Lawson
SVP, Chief Compliance Officer and Senior Deputy General Counsel
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