Principal Machine Learning Engineer

5014 Disney Entertainment & Sports LLC; Glendale (CA); On-site; USD 207,000 - 278,000; Full time

Job summary

Disney Entertainment and ESPN Product & Technology is seeking a Principal Machine Learning Engineer to own the architecture and strategic direction of the N&E ML Platform across a large, complex problem space. You will drive step-function improvements in personalization, recommendations, and ML infrastructure, partnering with senior leadership and cross-org teams to set the standard for ML excellence.

You will mentor engineers, drive reliability, and align ML initiatives with business outcomes

Qualifications

• Bachelor’s degree in computer science, information systems, statistics, math, or related field, or equivalent experience.
• 10+ years building and operating ML engineering systems in production environments.
• Deep expertise in data science, deep learning, and statistical methods for large-scale problems.
• Experience owning architecture across a major platform or product domain, including architecture documents and reviews.
• Proven ability to drive quantifiable ML platform improvements and personalized experiences.
• Experience designing and evolving backend microservices using REST.
• Strong cloud infrastructure expertise, especially AWS.
• Hands-on experience with Databricks, Spark, Kinesis, and Kafka.
• Proven incident response leadership and reliability programs.
• Active participation in cross-organizational engineering standards and governance.
• Metrics-driven leadership linking engineering decisions to business outcomes.
• Excellent communication and collaboration with senior leadership and stakeholders.
• Experience in Agile/Scrum with strong prioritization and stakeholder management.

Responsibilities

• Define and own end-to-end architecture of the N&E ML platform across a large problem space.
• Identify, scope, and prioritize impactful ML workstreams across the portfolio.
• Drive the design and evolution of ML infrastructure for data pipelines, orchestration, feature stores, and online serving.
• Stay at the forefront of ML trends and advocate adoption of new technologies.
• Own production incident response and drive reliability improvements.
• Engage with cross-organizational communities to set standards and governance.
• Lead metrics-driven programs connecting ML investments to business outcomes.
• Mentor senior engineers and foster ownership and rigor.

Skills

Leadership

Communication

Cross-functional collaboration

Mentorship

Education

Bachelor's degree in Computer Science or related field

Tools

AWS

Databricks

Spark

Kinesis

Kafka

MLflow

SageMaker

Vertex AI

Job description

Job Posting Title: Principal Machine Learning Engineer Req ID: 10157433

Job Description:

Disney Entertainment and ESPN Product & Technology Technology is at the heart of Disney’s past, present, and future. Disney Entertainment and ESPN Product & Technology is a global organization of engineers, product developers, designers, technologists, data scientists, and more – all working to build and advance the technological backbone for Disney’s media business globally. The team marries technology with creativity to build world‑class products, enhance storytelling, and drive velocity, innovation, and scalability for our businesses. We are Storytellers and Innovators. Creators and Builders. Entertainers and Engineers. We work with every part of The Walt Disney Company’s media portfolio to advance the technological foundation and consumer media touch points serving millions of people around the world.

Here are a few reasons why we think you’d love working here:

• Building the future of Disney’s media: Our Technologists are designing and building the products and platforms that will power our media, advertising, and distribution businesses for years to come.
• Reach, Scale & Impact: More than ever, Disney’s technology and products serve as a signature doorway for fans' connections with the company’s brands and stories. Disney+. Hulu. ESPN. ABC. ABC News…and many more. These products and brands – and the unmatched stories, storytellers, and events they carry – matter to millions of people globally.
• Innovation: We develop and implement groundbreaking products and techniques that shape industry norms, and solve complex and distinctive technical problems.

Job Summary:

As a Principal Machine Learning Engineer, you will define and own the technical architecture and strategic direction of the N&E ML Platform across a large, complex problem space spanning Disney's News & Entertainment portfolio. You will drive step‑function improvements in personalization, recommendation systems, and ML infrastructure - not just at the feature level, but across entire product and platform domains. You will serve as a thought leader who bridges business objectives and technical execution, partnering with senior leadership, product, and cross‑org engineering communities to set the standard for ML excellence within News & Entertainment. Your impact will be measured by the quantifiable outcomes you drive for our guests and the durable technical foundations you build for the teams around you.

Responsibilities and Duties of the Role:

• Focus on major areas of work, typically 20% or more of role
• Architecture Ownership: Define and own the end‑to‑end architecture of the N&E ML platform across a large problem space spanning ABC News, ABC Entertainment, National Geographic, Marvel, and Disney Studios. Author architecture documents, drive them through review, and oversee implementation to ensure solutions are scalable, reliable, and aligned with platform‑wide standards.
• Strategic Technical Leadership: Identify, scope, and prioritize the most impactful and time‑sensitive ML workstreams across the N&E portfolio. Break down and sequence complex initiatives, proactively surface risks to leadership, and drive outcomes with a clear metrics‑driven mindset.
• ML Platform & Infrastructure: Drive the design and evolution of infrastructure supporting the full ML lifecycle across diverse content types and brands: data pipelines, workflow orchestration, feature stores, batch training, and low‑latency online serving. Champion reliability, quality, and operational excellence across the platform.
• Innovation & Industry Awareness: Stay at the forefront of industry trends in ML, AI, and data engineering. Proactively identify and champion the adoption of new technologies, frameworks, and patterns that drive improvement across the N&E portfolio (e.g. recommendation systems, LLMs, RAGs, object detection, autogenerated content tagging).
• Incident & Reliability Ownership: Own and speak to production incidents during weekly meetings with leadership. Hold the team to the right engineering processes and drive a culture of reliability, observability, and continuous improvement across the N&E ML problem space.
• Cross‑Org Engagement: Actively participate in and contribute to the broader Machine Learning community across Disney Entertainment & ESPN. Drive and influence engineering standards, cross‑org programs, and best practices that extend beyond the N&E ML team.
• Business & Objectives Alignment: Serve as a thought leader who deeply understands the business objectives and problems across the N&E portfolio - not just the technical ones. Lead metrics‑driven programs that connect ML platform investments directly to measurable guest experience and business outcomes across all brands.
• Mentorship & Culture: Mentor and elevate senior engineers, fostering a culture of ownership, technical rigor, and continuous learning. Be a confident, vocal, and optimistic leader who inspires the team and drives outcomes people want to rally around.

Required Education, Experience/Skills/Training:

Basic Qualifications

Bachelor’s degree in computer science, Information Systems, Statistics, Math, or comparable field of study, and/or equivalent work experience

10+ years of experience building and operating ML engineering systems in production environments, with a track record of owning large, complex problem spaces

Deep expertise in data science, deep learning algorithms, and statistical methods applied to real‑world, large‑scale engineering problems

Demonstrated experience owning architecture across a significant platform or product domain - including authoring architecture documents, driving reviews, and leading implementation

Proven ability to drive quantifiable improvements in ML platform capabilities, personalization quality, or recommendation system performance

Experience designing and evolving backend microservices for large‑scale distributed systems using REST

Strong expertise with cloud infrastructure, preferably AWS (Step Functions, Lambda, Glue, SQS, SNS, Personalize)

Deep hands‑on experience with big data technologies such as Databricks, Spark, Kinesis, and Kafka

Experience leading incident response for high priority incidents and driving reliability programs across a team or platform

Active participation in cross‑organizational engineering communities, standards‑setting, and architectural governance

Proven track record as a metrics‑driven technical leader who connects engineering decisions to business outcomes

Exceptional communication, influence, and collaboration skills — comfortable presenting to and aligning senior leadership and cross‑functional stakeholders

Experience working in Agile/Scrum environments with strong prioritization and stakeholder management skills

Preferred Qualifications:

• Experience with agentic AI workflows and frameworks (e.g. LangGraph, AutoGen, CrewAI) and applying them to automate complex ML and data engineering tasks
• Familiarity with AI‑assisted development tools such as Claude, Cursor, or GitHub Copilot to accelerate software development lifecycle and engineering productivity
• Familiarity with prompt engineering, fine‑tuning, and evaluation frameworks for large language models in production environments
• Experience with MLOps platforms and modern model lifecycle management tools (e.g. MLflow, SageMaker, Vertex AI)

The hiring range for this position in Glendale, California is $207,400 - $278,100 per year. The base pay actually offered will take into account internal equity and also may vary depending on the candidate’s geographic region, job‑related knowledge, skills, and experience among other factors. A bonus and/or long‑term incentive units may be provided as part of the compensation package, in addition to the full range of medical, financial, and/or other benefits, dependent on the level and position offered.

Job Posting Segment:

Product Engineering

Primary Business: PE - Streaming Backend

Primary Job Posting Category: Machine Learning

Employment Type: Full time

Primary City, State, Region, Postal Code: Glendale, CA, USA

Alternate City, State, Region, Postal Code: USA - NY - 7 Hudson Square

Date Posted: 2026-08-21

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