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Job Description

Design and deliver scalable data platforms and pipelines for Comcast Advertising, enabling reliable data products and self-service analytics at scale.

Responsibilities

  • Architect, design, and build high-performance, scalable data pipelines for large-scale data processing
  • Develop complex Big Data ETL workflows using modern frameworks such as Databricks Delta Live Tables (DLT)
  • Design and implement data lake architectures using open table formats including Delta Lake and Apache Iceberg
  • Define, promote, and enforce data engineering best practices to support data quality, integrity, reliability, and performance
  • Implement observability and monitoring across pipelines, including data cataloging, lineage, and metadata management
  • Participate in peer reviews, knowledge sharing, production support, incident resolution, and change management
  • Follow code management and version control practices across development workflows
  • Create high-quality documentation, including data flows, lineage diagrams, and architecture details aligned to data engineering standards
  • Ensure comprehensive code coverage by building unit and integration tests, using test-driven development (TDD) principles
  • Own critical components of large-scale batch ETL systems; communicate data models and design decisions to Product, Engineering, and Leadership stakeholders
  • Manage multiple priorities by balancing long-term architectural direction with immediate business needs
  • Build advanced semantic layers and support creation of customer-facing self-service analytics
  • Apply independent judgment and discretion for complex, high-impact technical decisions
  • Maintain regular, consistent, and punctual attendance, with flexibility to work nights, weekends, or variable schedules as required
  • Perform additional duties and responsibilities as assigned

Requirements

  • Minimum 2 years of Data Engineering experience (relevant work experience: 2-5 years)
  • Proficiency in Python and PySpark; solid grasp of SQL
  • Hands-on experience with Databricks and/or Snowflake is preferred
  • Data warehouse modeling paradigms
  • Understanding of cloud-based architectures (AWS)
  • Problem-solving skills
  • Nice to have:
    • AWS Certified Developer Associate
    • Databricks Certified Data Engineer Associate
    • SnowPro Advanced: Data Engineer

Technologies

  • SQL
  • Python
  • PySpark
  • Apache Spark
  • AWS
  • Databricks Delta Live Tables (DLT)
  • Databricks
  • Delta Lake
  • Apache Iceberg
  • Looker
  • Tab
  • Snowflake

Location

  • Willow Grove, PA (onsite)

Salary

  • USD 79,728 - 132,880 per year
  • Comcast intends to offer base pay within this range, depending on job-related, non-discriminatory factors such as experience
  • Pay Range noted for Illinois and Massachusetts: $79,728.27 - $132,880.46
  • Application window is 30 days from the date job is posted, unless the number of applicants requires it to close sooner or later

Education

  • Bachelor's Degree
  • Comcast may also consider applicants with some combination of coursework and experience, or extensive related professional experience

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