Sr. Data Engineer- Chicago, IL or Reston, VA- ONSITE 4 X Week
Comcast
Chicago, Illinois; Reston, Virginia, U.S.
Full-time, Regular
Posted Sep 12, 2025
Onsite
Compensation
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About the role
Job Summary: We are seeking a highly skilled Data Engineer with expertise in SQL and either Python or Scala, experienced in building large-scale data pipelines using Apache Spark and designing robust data architectures on AWS.
Responsibilities
- Architect, design, and develop high-performance, scalable data pipelines.
- Develop large scale and complex Big Data ETL using modern frameworks such as DBT and Databricks Delta Live Tables (DLT)
- Define and implement data lake architectures and open table formats (e.g., Delta Lake, Iceberg).
- Establish and enforce best practices for data engineering, ensuring data quality, integrity, and performance.
- Drive observability and monitoring for data pipelines, implementing data catalogs and lineage tracking.
- Ability to own critical modules for complex and large-scale Batch ETL models and ability to articulate models to Product, Engineering and Leadership
- Effectively context switch between multiple priorities, balancing long-term architectural goals with immediate business needs.
- Develop complex Semantic layers and help create customer facing self-service analytics
- 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.
Requirements
- Bachelor’s or Master’s degree in Computer Science & Engineering, or a related field.
- 2+ years of experience in building and operating large-scale data processing systems.
- Strong programming skills in SQL and either Python or Scala.
- Extensive experience in Apache Spark and processing large-scale datasets.
- Hands-on experience with DBT, Databricks, Snowflake, ClickHouse, and other modern data platforms.
- Solid understanding of data lake architectures and open table formats (Delta Lake, Iceberg).
- Experience in monitoring and observability for data pipelines, implementing data catalogs and lineage tracking solutions.
- Ability to quickly adapt and context switch among different priorities, working efficiently in a fast-paced environment.
- Strong generalist mindset with the ability to work across different technology stacks and polyglot programming skills, demonstrating fluency in multiple programming languages beyond primary expertise.
- Ability to understand, create or manage different data lake & data warehouse modeling paradigms
Benefits
- Paid Time off
- Physical Wellbeing
- Financial Wellbeing
- Emotional Wellbeing
- Life Events + Family Support
About the Company
FreeWheel, a Comcast company, provides comprehensive ad platforms for publishers, advertisers, and media buyers.
Job Details
Salary Range
$118,139 - $177,209/yearly
Location
Chicago, Illinois; Reston, Virginia, U.S.
Employment Type
Full-time, Regular
Original Posting
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