Machine Learning Engineer

Responsibilities

• Own the design and evolution of critical ML services, platforms, and system components
• Drive technical strategy and architectural decisions for ML and LLM-powered systems
• Lead the delivery of complex ML initiatives from initial problem definition through production
• Define best practices for model development, evaluation, deployment, and monitoring
• Establish standards for prompt engineering, LLM evaluation, safety, and agent design
• Mentor engineers through design reviews, code reviews, and technical guidance
• Improve system reliability, scalability, and long-term maintainability
• Drive framework and platform strategy for LLM and agent development to enable reuse across applications

Requirements

• 8+ years of relevant experience or equivalent technical leadership
• Deep experience building and operating large-scale, production ML systems
• Strong expertise in one or more ML domains such as NLP or Computer Vision
• Hands-on experience with LLM frameworks like LangChain or LlamaIndex
• Proven experience designing and deploying agent-based systems using OpenAI SDK, ADK, or Autogen
• Strong systems thinking and architectural judgment
• Excellent communication skills for both technical and non-technical audiences

About the Company

Comcast brings together the best in media and technology to drive innovation and create world-class entertainment and online experiences. As a Fortune 50 leader, we set the pace in a variety of innovative businesses and offer career opportunities across a wide range of disciplines.