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Lead Data Scientist, AI Centre of Excellence (Toronto, ON, CA, M5H 0B3) bei EY - US | Shape the future with confidence

EY - US | Shape the future with confidence · Toronto, Kanada · Onsite

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At EY, we’re all in to shape your future with confidence. 

 

We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. 

 

Join EY and help to build a better working world. 

 

The opportunity

 

As a Lead Data Scientist of the AI Centre of Excellence at the Office of the CTO, you will play a pivotal role in shaping the future of artificial intelligence at EY Canada. In this position, you will guide the AI strategy, lead the design and implementation of advanced AI models, and drive innovation across transformative projects. Your leadership will directly influence real-world deployment of cutting-edge solutions in areas such as AI, generative AI and natural language processing, and other emerging technologies.

 

If you are passionate about advancing the frontiers of AI, have a proven record of groundbreaking research and impactful innovation, and thrive in a collaborative environment, we invite you to help build the next era of intelligent solutions with us

 

Your key responsibilities

  • Lead AI Strategy: Define and execute the overarching AI strategy in alignment with EY’s business goals, collaborating with cross-functional leaders and technology stakeholders.
  • Leadership Responsibilities: Inspire and lead a team of data scientists and engineers, fostering collaboration and innovation. Drive the vision for AI initiatives and ensure alignment with organizational
  • objectives. Facilitate knowledge sharing and continuous learning within the team.
  • Oversee Model Architecture & Innovation: Architect, evaluate, and refine complex models, including transformers, LLMs (Large Language Models), and retrieval-augmented generation (RAG) solutions for diverse enterprise use cases.
  • Long-Term Innovation Focus: Drive long-range planning for AI capabilities, champion emerging technologies, and identify opportunities for disruptive innovation in AI/ML applications across business verticals.
  • Research Leadership: Publish and drive high-impact research papers and thought leadership in journals and conferences; represent EY at industry forums.
  • Model Lifecycle & ML Ops: Lead end-to-end model lifecycle management, from ideation and training to deployment and monitoring, leveraging ML Ops best practices and Azure ML.
  • Stakeholder Collaboration: Partner with business, engineering, and product teams to translate visionary AI concepts into robust, scalable solutions delivering measurable value.
  • Champion Responsible AI: Ensure AI systems adhere to ethical, legal, and security guidelines; promote equity, transparency, and accessibility in all initiatives.

 

Skills and attributes for success

  • Education: PhD or Master’s degree in Artificial Intelligence, Machine Learning, Data Science, Computer Science, or a closely related field.
  • Experience: 7–10 years of progressive experience delivering impactful AI/ML solutions, with a proven track record in architecting and scaling NLP, AI and GenAI systems.
  • GenAI & LLMs: Deep expertise with generative AI models, transformer architectures, LLM fine-tuning, and deployment of RAG pipelines.
  • ML Ops & Cloud: Hands-on experience with ML lifecycle management, ML Ops frameworks, and Azure ML (or equivalent cloud ML platforms).
  • Technical Proficiency: Strong programming skills (Python or similar), deep learning frameworks (PyTorch, TensorFlow, Hugging Face), and data engineering for large-scale modeling.
  • Innovation & Research: Proven ability to publish research, file patents, or contribute thought leadership in AI/ML.
  • Strategic Leadership: Demonstrated success in leading AI initiatives, developing technical roadmaps, and inspiring high-performance teams.
  • Communication: Exceptional written and verbal communication skills with the ability to articulate complex AI concepts to technical and non-technical audiences.
  • Commitment to Inclusion: Passion for building equitable, accessible, and responsible AI systems; ability to work in diverse, inclusive teams.

 

What we offer

 

The EY benefits package is designed to support your physical, emotional, financial, and social wellbeing. Our extensive benefits include comprehensive medical, dental, and prescription drug coverage, as well as mental health benefits, a robust Employee Assistance Program and group savings plans to promote your overall wellbeing. We offer generous time off, including personal days, vacation days, and additional firm-wide holidays, along with the option to purchase extra vacation days. Employees can take advantage of EY's exclusive learning programs tailored just for them. We also provide internal opportunities for career development and advancement, enabling you to grow within the firm. Get involved in meaningful volunteering through EY Ripples and make a positive impact in the community.

 

Learn about our commitment to DE&I at https://www.ey.com/en_ca/about-us/corporate-responsibility/equity

 

Are you ready to shape your future with confidence? Apply today.

 

To help create the best experience during the recruitment process, please describe any accommodations you may need.

 

Diversity and Inclusion at EY 

 

Diversity and inclusiveness are at the heart of who we are and how we work. We’re committed to fostering an environment where differences are valued, policies and practices are equitable, and our people feel a sense of belonging. We embrace diversity and are committed to combating systemic racism, advancing gender equity and women in leadership, advocating for the 2SLGBTQIA+ community, promoting our neuroinclusion and accessibility initiatives, and are dedicated to amplifying the voices of Indigenous peoples (First Nations, Inuit, and Métis) nationally as we strive towards reconciliation. Our diverse experiences, abilities, backgrounds, and perspectives make our people unique and help guide us. Because when people feel free to be their authentic selves at work, they bring their best and are empowered to build a better working world. 

 

EY | Building a better working world

 

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.

 

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.

 

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.

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