Principal Machine Learning Engineer

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.

Principal Machine Learning Engineer

About Warner Bros. Discovery:

Warner Bros. Discovery, a premier global media and entertainment company, offers audiences the world's most differentiated and complete portfolio of content, brands and franchises across television, film, streaming and gaming. The company combines Warner Media’s premium entertainment, sports and news assets with Discovery's leading non-fiction and international entertainment and sports businesses.

For more information, please visit www.wbd.com.

Meet Our Team: 

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.

Roles and responsibilities:

The Principal MLE will serve as a senior individual contributor driving the design, experimentation, and delivery of advanced machine learning solutions for media intelligence and localization use cases. As a Principal MLE on the team, you will help lead science innovation in our space across a large multidisciplinary team. You will work across a broad set of challenges, including developing state-of-the-art LLM techniques for multimodal insight extraction, building deep transformer models to understand dialog context and create representations for downstream tasks, and generating translations that balance cultural appropriateness, naturalness, and artistic intent. This role shapes technical strategy, defines modeling approaches that advance the state of the art, and turns research into scalable, production-ready ML systems with measurable product and customer impact. The ideal candidate brings deep hands-on expertise in applied machine learning, statistical analysis, and evaluation methodologies, along with the ability to influence cross-functional teams, provide technical leadership, and drive innovation through data-informed decision-making.

Your Role Accountabilities:  

• Lead end-to-end design and delivery of production-grade Gen AI based Media processing systems that supports language localization capabilities like Closed Captioning, Language translation, or Dubbing.

• Be a key leader on a multidisciplinary team across science, product, design, and engineering to see through ideas from inception, prototype, to launch

• Own architectural design and evolution of ML services, APIs, and pipelines, ensuring scalability, reliability, and extensibility for current and future localization use cases.

• Drive the science roadmap across multiple teams, helping coordinate a cohesive science agenda across the org.

• Establish and operate robust production evaluation frameworks, covering model quality, drift detection, inference performance, and system-level metrics with and without ground truth.

• Lead, mentor, and grow a team of Applied data scientist, Machine Learning Engineers, setting clear technical direction, delivery standards, and career development paths.

• Motivate, inspire and create a culture of experimentation and data-driven innovation while constantly striving to be an advocate for doing what is right for our customers
   

What to Bring

• 10+ years total experience of building production grade machine learning solutions

• Experience in designing machine learning driven, large-scale distributed systems with large scale customer base

• Experience creating novel algorithms and advancing the state of the art

• Ability to technically collaborate with partners

• Good understanding of machine learning platform
   

Preferred:

• PhD, or Master's degree in CS, CE, ML or related fields.

• 5+ hands-on experience in any one of following fields: Computer Vision, ASR, Translation or Text-to-Speech technologies.

• Working experience with global teams

• Experience in patents or publications at top-tier peer-reviewed conferences or journals
   

What We Offer:

• A Great Place to work.

• Challenging ML problems in Media Domain.

• Equal opportunity employer

• Fast track growth opportunities

How We Get Things Done…

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.

Championing Inclusion at WBD

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, regardless of sex, gender identity, ethnicity, age, sexual orientation, religion or belief, marital status, pregnancy, parenthood, disability 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.