Senior Data Engineer
VA - Reston, 11951 Freedom Dr Ste 900, United States
Comcast
Comcast NBCUniversal creates incredible technology and entertainment that connects millions of people to the moments and experiences that matter most.Job Summary
We are seeking a skilled and motivated Sr Data Engineer with strongexperience in building and managing data pipelines across AWS cloud
services (Comcast Cloud Platform is a plus). The ideal candidate will also
bring hands-on experience in Machine Learning, Natural Language
Processing (NLP), and API development using Python, alongside a solid
understanding of the cable construction and network domain.
As a Data Engineer on our team, you'll be instrumental in enabling analytics,
intelligent applications, and real-time business insights by integrating and
transforming data from multiple systems in a secure, scalable, and efficient
way.
Job Description
Core Responsibilities
- Design, build, and maintain robust ETL/ELT pipelines using AWS Glue, Lambda, Python, PySpark, and Shell scripting
- Integrate and optimize structured and unstructured data sources including DynamoDB, Oracle, and external APIs
- Build and manage data lakes and warehouses on S3, Redshift, Athena, and RDS
- Implement and manage infrastructure using Terraform (IaC) and secrets management via HashiCorp Vault
- Develop and deploy APIs using Python (Flask, FastAPI) to serve machine learning models or expose processed datasets to internal tools
- Build and productionize machine learning pipelines using Python, S3, Glue, and ML libraries such as scikit-learn, spaCy, or transformers
- Apply Natural Language Processing (NLP) techniques to extract insights from text data sources such as service tickets, construction logs, or work orders
- Collaborate with domain SMEs to model and understand data across cable construction and network operations
- Develop and schedule data workflows using Concourse CI/CD
- Maintain and enhance legacy data workflows (e.g., Pentaho) during migration and modernization phases
- Ensure robust data quality, performance monitoring, and pipeline observability
- 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) and overtime as necessary.
- Other duties and responsibilities as assigned.
What You’ll Bring:
- A builder’s mindset with experience translating domain problems into clean, scalable data and ML solutions
- Strong software engineering fundamentals and appreciation for code quality and reusability
- Passion for improving decision-making through data and automation
- Clear communication and collaboration across cross-functional teams (engineering, product, analytics, and operations)
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.
- Respect and promote inclusion & diversity.
- 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
AWS DynamoDB, AWS Lambda, Oracle, PySparkWe 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 benefits summary on our careers site for more details.
Education
Bachelor's DegreeWhile 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
7-10 YearsComcast 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.* Salary range is an estimate based on our AI, ML, Data Science Salary Index 💰
Tags: API Development APIs Athena AWS AWS Glue CI/CD CX Data pipelines Data quality DynamoDB ELT Engineering ETL FastAPI Flask Lambda Machine Learning ML models NLP Oracle Pentaho Pipelines PySpark Python Redshift Scikit-learn Shell scripting spaCy Terraform Transformers Unstructured data
Perks/benefits: Career development Team events
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