Data Engineer

Job description


Comcast’s Technology, Product & Experience organization works at the intersection of media and technology. Our innovative teams are continually developing and delivering products that transform the customer experience. From creating apps like TVGo to new features such as the Talking Guide on the X1 platform, we work every day to make a positive impact through innovation in the pursuit of building amazing products that are enjoyable, easy to use and accessible across all platforms. The team also develops and supports our evolving network architecture, including next-generation consumer systems and technologies, infrastructure and engineering, network integration and management tools, and technical standards. Because our employees are our most valuable asset, we offer a flexible working environment to balance the need to work independently wherever you choose, with days that require collaboration at one of our offices. Our roles primarily reside inside or around one of our Tech Hubs (Philadelphia and surrounding suburbs, Denver, Austin, Silicon Valley, Washington DC/N. Virginia).

Job Summary

Do you look for explanations when things go wrong — and also when they work well? Are you intrigued by the thought of finding useful insights? Do you roll up your sleeves when there are extensive amounts of data to be acquired, curated, stored and used?

Job Description

In this data science role with the Rio Capacity Team within the Time Shifted Video Engineering Group you will help to collect and apply data to provide insights into Rio CDVR (Cloud Based DVR) performance and behavior for future hardware planning and ongoing operations. Rio cDVR is a large-scale system with installations around the world that allows millions of customers to record their favorite TV shows in the cloud, enabling them to watch their recordings from any device, at anytime, and anywhere with an Internet connection.

What You'll Do:

  • Creates machine learning models that help predict future needs in terms of hardware or insights into application performance.
  • Writes scripts (Python, Shell etc.) for extracting and storing data from multiple data sources.
  • Uses data science libraries to create visualizations that show system performance and behaviors.
  • Performs what-if analysis based on various changing criteria and provide concrete timely answers backed by data.
  • Automates modeling tasks via scripting and monitoring of data pipelines
  • Communicates findings to stakeholders and present data

Here are some of the specific technologies we use:

  • Python
  • Data Science libraries e.g. scikitlearn, matplotlib, pandas, statsmodels, numpy etc.
  • SQL
  • Excel
  • Grafana and Prometheus
  • Linux shell and scripting
  • Airflow
  • Git
  • Docker, Kubernetes


  • Bachelor's degree in Computer Science, Engineering, Applied Mathematics, Statistics, or a relevant focus.
  • Experienced in programming languages, Python/R for statistical analysis is a must
  • Experience with data science algorithms (Regression, Decision Trees, Clustering, etc.) and how to optimize models with techniques such as hyper parameter tuning, outlier detection, etc.
  • Knowledgeable with data preparation and analysis (for example, interpolation, scaling, handling categorical variables)
  • Experience with shell scripting and comfortable with Linux shell commands
  • Experience with Excel
  • Data visualization in Python (e.g. matplotlib, ggplot, etc) and visualization tools such as Grafana, Kibana, Prometheus, Tableau etc.
  • Experience with AI techniques such a neural network or deep learning is a plus

Employees at all levels are encouraged to:

  • Understand our Operating Principles; make them the guidelines for how you do your job.
  • Be responsible for the customer experience - think and act in ways that put our customers first, give them detailed digital options at every touchpoint, and make them promoters of our products and services.
  • Know your stuff - be hard-working learners, users and advocates of our groundbreaking 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 insights.
  • 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.
  • Get results and growth!
  • Respect and promote inclusion & diversity!
  • Do what's right for each other, our customers, investors and our communities.


  • 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 EOE/Veterans/Disabled/LGBT employer.

Comcast is proud to be 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, or any other basis protected by applicable law.


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

5-7 Years


Pay Range: $108,335.77 - $162,503.65

Comcast intends to offer the selected candidate base pay within this range, dependent on job-related, non-discriminatory factors such as experience.

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. 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.

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