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Sr. ML Engineer

Philadelphia, Pennsylvania

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Overview

Make your mark at Comcast -- a Fortune 30 global media and technology company. Become part of our award-winning, international engineering 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. You’ll do the best work of your career right here.

Success Profile

What makes a successful Sr. ML Engineer at Comcast? Check out these top traits and explore role-specific skills in the job description below.

  • Results-driven
  • Adaptable
  • Inventive
  • Entrepreneurial
  • Team Player
  • Problem-Solver

Benefits

We’re proud to offer comprehensive benefits to help support you physically, financially and emotionally through the big milestones and in your everyday life.

  • Paid Time off

    We know how important it can be to spend time away from work to relax, recover from illness, or take time to care for others needs.

  • Physical Wellbeing

    We offer a range of benefits and support programs to ensure that you and your loved ones get the care you need.

  • Financial Wellbeing

    These benefits give you personalized support designed entirely around your unique needs today and for the future.

  • Emotional Wellbeing

    No matter how you’re feeling or what you’re dealing with, there are benefits to help when you need it, in the way that works for you.

  • Life Events + Family Support

    Benefits that support you no matter where you are in life’s journey.

Responsibilities

Sr. ML Engineer

Location Philadelphia, Pennsylvania Req ID R409824 Job Type Full Time
Category Information Technology Date posted 04/10/2025
Apply Now
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

Bring a combination of mathematical rigor and innovative algorithm design to create recipes that extract relevant insights from billions of rows of data to meaningfully improve Comcast user experience.  Do you like big challenges and working within a highly-motivated team environment? As a Data Scientist, you will research, develop, support and apply new techniques using real-time distributed computing architectures. You will employ your skills to deliver insights into customer and network behavior to drive business decisions that will shape the future of Comcast and be part of a team that thrives on big challenges, results, quality, and agility.  Who does the Data Scientist work with?  The Data Engineering and Science team as part of our Next Generation Access Network is a diverse collection of professionals who work with a variety of organizational roles ranging from software engineering teams whose software integrates with analytics services, network architects and engineers, to service delivery engineers who provide support for our product, testers, operational stakeholders with all manner of information needs, and executives who rely on data for data based decision making.   What are some interesting problems you’ll be working on?  Develop models capable of processing millions of events per second and multi-billions of events per day, providing both a real time and historical view into the operation of our products and services. Work on high performance real time data stores and a massive historical data sets using best-of-breed and industry leading technology. Work closely with various engineering teams to solve key optimization, insight and access network data challenges.  Where can you make an impact?  The Comcast Next Generation Access Network Data Engineering and Science team is acquiring, studying, simulating, and modeling to enable data as a key driver and core functional component toward better understanding, predicting, and dynamically optimizing the access network to improve overall user experience. Success in this role is best enabled by a broad mix of skills and interests ranging from traditional distributed systems software engineering prowess to the multidisciplinary field of data science.  

Job Description

Core Responsibilities

  • Building a strong intuitive understanding of the problem domain (Next Generation Access Networks). Identify testable hypotheses to explain interesting phenomena in this domain.
  • Selecting and transforming features, building and optimizing classifiers using machine learning techniques

  • Integrating data from multiple sources including third party sources.

  • Data mining using state-of-the-art methods

  • Enhancing data collection procedures to include information that is relevant for building analytic systems

  • Frequent meeting/communication with stakeholders to interpret their needs, plan/organize, and discuss progress and results

  • Developing actionable quantitative models in the areas of effectiveness, ROI, pricing and optimization.

  • Doing ad-hoc analysis and presenting results in a clear manner

  • Creating automated anomaly detection systems and constant tracking of its performance

  • Creating automated evaluation environment of complex models and constant tracking of relevant performance

  • Develop and communicate goals, strategies, tactics, project plans, timelines, and key performance metrics to reach goals

Here are some of the  specific technologies we use:

  • Spark (AWS EMR, Databricks), AWS Lambda

  • Spark Streaming and Batch 

  • Avro, Parquet

  • Stream Data Platforms: Kafka, AWS Kinesis

  • MySQL, Cassandra,HBase,MongoDB, RDBMS

  • Caching Frameworks(ElasticCache/Redis)

  • Elasticsearch, Beats, Logstash, Kibana

  • Java, Scala, Go, Python, R

  • Git, Maven, Gradle, Jenkins 

  • Rancher, Puppet, Concourse, Docker, Ansible, Kubernetes 

  • Linux

  • Hadoop (HDFS, YARN, ZooKeeper, Hive), Presto, Athena

  • Keras, TensorFlow, Scikit.learn, Pandas)

  • Visualization suite (AWS Quicksight, Grafana)

Skills & Requirements:

  • Graduate degree or Phd in the following areas: Statistics, Data Science, Computer Science or relevant science or engineering discipline.

  • 1+ years working within an enterprise data lake/warehouse environment or big data architecture

  • Understanding of machine learning techniques and algorithms, especially in the deep learning area -- both theoretical underpinnings and craft (Systems such as Tensorflow, Theano, Caffe, scikit.learn and their APIs). 

  • Applied statistics skills and understanding of probability distributions, statistical testing, regression, etc.

  • Experience with common data science toolkits, such as scikit-learn, R, etc.  Excellence in at least one of these is highly desirable.

  • Great communication skills.

  • Experience with data visualization tools, such as D3.js, GGplot, Matplotlib, etc.

  • Proficiency in using query languages such as SQL and Hive. 

  • Experience with NoSQL databases, such as MongoDB, Redis/ElasticCache, Cassandra, HBase 

  • Good scripting and programming skills, such as Java, Scala, R, Python, or Spark

  • Data-oriented personality

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 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, genetic information, or any other basis protected by applicable law.


Skills:

Machine Learning; Decision Making; Problem Solving; Data Science; Python (Programming Language)




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

7-10 Years

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Hear from our people

“Comcast brings to the table the leading edge in the technology, so that sets the baseline for the features that are available to our customers”

Albert Vice President, Product Management

“I mean, that's one of the best things about working here is that there have been very few times when I've been set, when I've been told, No, you can't do this.”

Greg Engineer

“It is incredibly rewarding to see the work that we've done impact people in such a meaningful way, and we're bringing joy to people's lives.”

Faisal Executive Director, Machine Learning

Culture

At Comcast you can have work/life balance in an inclusive environment where you can be your authentic self.

Comcast provides many opportunities to build skills and grow in your career and a top-notch benefits, time off and perks package.

We are committed to delivering reliable, effortless experiences to our customers no matter how they choose to interact with us.

You will build personal relationships on a growing team that while making Xfinity a best-in-class, most-loved brand.

More About Comcast

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  • Edge of Innovation: Network Edge Compute in Action

    We are here to change people’s lives, so whenever we talk about what we’re building, whether our products or network, we start with the customer. What do customers want? What do they need? What will they want in the future and can’t yet anticipate?

  • New Data Reveals Public Perceptions on Digital Skills

    Technological innovation and the digital revolution drive our economy. Keeping up with this change requires digital skills and proficiency in virtually every industry – from manufacturing to home healthcare to retail.

Tech Engineering in Action

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