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Welcome to Warner Bros. Discovery… the stuff dreams are made of.

Who We Are…

When we say, “the stuff dreams are made of,” we’re not just referring to the world of wizards, dragons and superheroes, or even to the wonders of Planet Earth. Behind WBD’s vast portfolio of iconic content and beloved brands, are the storytellers bringing our characters to life, the creators bringing them to your living rooms and the dreamers creating what’s next…

From brilliant creatives, to technology trailblazers, across the globe, WBD offers career defining opportunities, thoughtfully curated benefits, and the tools to explore and grow into your best selves. Here you are supported, here you are celebrated, here you can thrive.

As a Sr. Principal Data Scientist, you will operate at the highest technical individual-contributor level at Warner Bros. Discovery—serving as a company-wide authority in advanced Data Science, Machine Learning, and Applied AI.

Design and build enterprise-grade Agentic AI systems, including autonomous and multi-agent workflows that leverage reasoning, tool use, planning, memory, and orchestration to execute complex business processes. Establish scalable patterns for agent architecture, evaluation, observability, guardrails, and human-in-the-loop controls to enable reliable and responsible deployment of AI agents in production.

This role is designed for an elite practitioner with 15–18+ years of experience, including 10–14 years of deep, hands‑on expertise in Data Science, ML, and AI systems at enterprise scale. Unlike leadership or management roles, this position is purely an IC role, focused on technical depth, architectural rigor, and scientific excellence, without formal people‑management responsibilities.

You will design, architect, and deliver some of WBD’s most complex and business‑critical AI systems, directly influencing how the company creates, distributes, personalizes, monetizes, and optimizes content across streaming, linear TV, advertising, and direct‑to‑consumer platforms.

This is a hands‑on, high‑impact role for a technologist who thrives on solving unsolved problems, pushing the boundaries of applied ML, and translating advanced science into durable business advantage.

• Act as one of WBD’smost senior technical ICsin Data Science and Machine Learning.
• Lead theend-to-end design and implementationof advanced ML systems across:
  • Content intelligence & metadata enrichment
  • Audience modelling & personalization
  • Forecasting, optimization, and experimentation
  • Advertising intelligence & monetization analytics
• Settechnical direction and standardsfor complex ML implementations without direct people management.

• Design and implementstate-of-the-art models, including:
  • Large-scale recommender systems
  • Time-series forecasting & probabilistic models
  • Causal inference, experimentation & uplift modelling
  • NLP, generative AI & multimodal ML systems
  • Computer vision & video intelligence pipelines
• Apply rigorous statistical thinking, experimentation discipline, and scientific validation to all solutions.
• Serve as afinal technical reviewerfor high-risk or high-impact ML solutions.

• Architectproduction-grade ML systemsintegrated with WBD’s cloud data ecosystem (AWS, Snowflake, GCP).
• Define best practices for:
  • Feature engineering & feature stores
  • Model lifecycle management & MLOps
  • CI/CD for ML, model monitoring, and drift detection
  • Reproducibility, governance, and responsible AI
• Partner deeply with data engineering, platform, and product engineering teams to ensure scalable, resilient delivery.

• Own and delivermission-critical AI solutionsacross:
  • Content performance prediction & ratings intelligence
  • Marketing attribution & lifecycle analytics
  • Search, discovery & ranking systems
  • Ad load optimization & pricing intelligence
  • Operational forecasting & automation
• Translate complex modelling outputs intoclear, executive-ready insightsthat drive decisions.

• Serve as atrusted technical advisorto senior leaders across Streaming, Content, Ad Sales, Marketing and Technology.
• Communicate complex ML concepts with clarity and credibility to non-technical stakeholders.
• Influence enterprise AI roadmaps, architectural decisions and investment priorities through expertise—not hierarchy.

• Mentor senior and staff-level data scientists throughtechnical guidance, design reviews, and deep problem-solving.
• Contribute to internal AI communities of practice, technical forums and standards bodies.
• Elevate overall engineering and scientific rigor across the Data Science organization.

• Master’s or Ph.D.in Computer Science, Machine Learning, Data Science, Statistics, Mathematics, Operations Research, or related disciplines.
• 18–20 yearsof total experience, with13–15 yearsin Data Science/ML, including hands‑on technical leadership.
• Deep expertise in:
  • Predictive modeling, optimization, and advanced ML techniques
  • MLOps and large-scale model deployment
  • Modern cloud ecosystems (AWS/GCP/Snowflake)
  • Python, PyTorch, TensorFlow, SQL, ML frameworks
  • Experiment design, causal inference and statistical modeling
• Demonstrated experience in Media & Entertainment, streaming, digital advertising or consumer intelligence.
• Strong track record of delivering enterprise-impact through AI solutions.
• Exceptional communication skills, including the ability to influence executives and inspire technical teams.

• Experience developing or customizing Large Language Models or multimodal foundation models.
• Patent, publication or conference-track record in ML/AI.
• Experience with video intelligence, CV for media workflows, or content metadata systems.
• Experience partnering with product and engineering organizations in a fast‑paced environment.

This last bit is probably the most important! Here at WBD, our guiding principles are the core values by which we operate and are central to how we get things done. You can find them at www.wbd.com/guiding-principles/ along with some insights from the team on what they mean and how they show up in their day to day. We hope they resonate with you and look forward to discussing them during your interview.

Warner Bros. Discovery embraces the opportunity to build a workforce that reflects a wide array of perspectives, backgrounds and experiences. Being an equal opportunity employer means that we take seriously our responsibility to consider qualified candidates on the basis of merit, without regard to race, color, religion, national origin, gender, sexual orientation, gender identity or expression, age, mental or physical disability, and genetic information, marital status, citizenship status, military status, protected veteran status or any other category protected by law.

If you’re a qualified candidate with a disability and you require adjustments or accommodations during the job application and/or recruitment process, please visit our accessibility page for instructions to submit your request.