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Comcast · 20 hours ago

Comcast Cybersecurity: AI Development Research Engineer

PA - Philadelphia, 1800 Arch St

Full-time

Hybrid

Entry, Mid Level

2+ years exp

Comcast is a Fortune 30 global media and technology company, and they are seeking an Engineer II to help build AI-driven solutions and scalable data pipelines. The role involves collaborating with cybersecurity researchers and software developers to create proof of concepts for cybersecurity tools and products.

InternetTelecommunicationsTVVideoWeb Hosting

No H1B

Responsibilities

Design & Build Data Pipelines: Develop batch and streaming pipelines for data ingestion, transformation, and quality validation using tools like Python, SQL, and/or cloud-native services

AI Application Development: Implement inference services, prompts/workflows, and retrieval pipelines (RAG) leveraging vector databases and embeddings

Data Engineering Fundamentals: Implement data models (dimensional/star schemas), optimize queries, and contribute to data lake/warehouse design

Performance Assessments: Perform functional testing for accuracy and implement iterative improvements

Documentation & Collaboration: Author technical specs, runbooks, and knowledge base articles; collaborate closely with cross-functional stakeholders

Security & Compliance: Follow secure coding practices and data governance policies. Implement security guardrails to enforce safe, read-only operations and prevent injection attacks

Continuous Learning: Stay current on AI/ML and data engineering best practices; contribute to internal tooling, templates, and reusable components

Other duties and responsibilities as assigned

Qualification

PythonSQLData EngineeringAI/ML BasicsDatabricksLLM frameworksProblem-solvingCommunicationTeamwork

Required

Bachelor's degree in Computer Science, AI, Engineering, or related field; or equivalent practical experience

Proficiency in Python and SQL

Experience with data wrangling, ETL/ELT concepts, and working with relational and/or NoSQL databases

AI/ML Basics: Exposure to machine learning workflows (training, validation, inference) via coursework, projects, or internships; familiarity with libraries like NumPy, Pandas, SciPy, scikit-learn, PyTorch or TensorFlow

Familiarity with LLM frameworks (e.g., LangChain, LangGraph)

Internship/co-op or open-source contributions in data or AI

Strong problem-solving, communication, and teamwork skills

Preferred

MS or PhD in CS, AI, Math, or related fields

2–3 years of experience building ML models and pipelines

Experience with Databricks, or cloud data services (e.g., Azure Data Factory/Synapse, AWS Glue/Redshift)

Experience with LLM workflows (prompt engineering, RAG, and vector databases)

Familiarity with CI/CD (GitHub Actions) and Git

Familiarity with building agentic workflows

Awareness of Cybersecurity principles. Knowing prompt engineering (LLM) security best practices (e.g., prompt injection) is a plus

Company

Comcast

Glassdoor3.8

Comcast is a media and technology company that provides broadband internet, mobile services, and entertainment platforms. It is a sub-organization of SkyShowtime.

Founded in 1963

Philadelphia, Pennsylvania, USA

10001+ employees