Data Science Lead

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Date: Jan 27, 2026

Location: Toronto, ON, CA, M5C 3G7

Company: Deloitte

Job Type: Permanent 
Work Model: 
Hybrid 
Reference code: 
131930   
Primary Location: 
Toronto, ON  
All Available Locations: 
Toronto, ON; Burlington, ON; Kitchener, ON

 

Our Purpose

 

At Deloitte, our Purpose is to make an impact that matters. We exist to inspire and help our people, organizations, communities, and countries to thrive by building a better future. Our work underpins a prosperous society where people can find meaning and opportunity. It builds consumer and business confidence, empowers organizations to find imaginative ways of deploying capital, enables fair, trusted, and functioning social and economic institutions, and allows our friends, families, and communities to enjoy the quality of life that comes with a sustainable future. And as the largest 100% Canadian-owned and operated professional services firm in our country, we are proud to work alongside our clients to make a positive impact for all Canadians.


By living our Purpose, we will make an impact that matters.

  • Have many careers in one Firm.
  • Enjoy flexible, proactive, and practical benefits that foster a culture of well-being and connectedness.
  • Learn from deep subject matter experts through mentoring and on the job coaching

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What will your typical day look like?

  • Lead, manage, and mentor a team of data scientists, machine learning engineers, and big data specialists to deliver innovative and scalable data-driven solutions.
  • Plan, prioritize, and oversee data science projects that align with organizational goals, collaborating with cross-functional teams to define and meet business requirements.
  • Design, build, and deploy analytical systems, predictive models, and machine learning algorithms that leverage large volumes of structured and unstructured data.
  • Ensure data quality, integrity, and veracity through rigorous data mining, cleaning, and validation processes.
  • Interpret complex data problems, analyze results, and communicate actionable insights and recommendations to both technical teams and business stakeholders.
  • Champion best practices in model development, testing, and operationalization, including monitoring and improving model performance post-deployment.
  • Drive innovation by experimenting with new models, techniques, and technologies, and stay current with advancements in data science and AI.
  • Develop and implement strategies for data collection and integration from diverse sources, ensuring scalability and reliability of data pipelines.
  • Facilitate knowledge sharing, collaboration, and continuous learning within the data science team and across the wider organization.
  • Lead the creation of data visualizations, reports, and presentations to articulate findings and influence business decisions.

About the team

Delo is building the next generation of enterprise AI: digital teammates that automate the work humans shouldn’t do, starting with Finance and expanding across the back office. Born inside Deloitte and now backed by the firm, Delo is creating Deloitte 2.0: a fully digital, AI-native version of the firm. Our platform orchestrates agentic AI, structured SOPs, and automated workflows across ERPs, CRMs, tax engines, and financial systems. Think: a reusable, multi-agent operating system for enterprise work. We’re early, truly 0→1, and building a scalable engineering foundation that will power dozens of agents, thousands of teams, and millions of automated tasks. If you want to build foundational infrastructure that will power AI-driven work for thousands of organizations, this is the moment to join.

Enough about us, let’s talk about you

  • Experience with deploying and operationalizing machine learning models in production environments.
  • Experienced data science leader with a proven track record managing and growing high-performing data science teams.
  • Skilled in advanced statistical modeling, machine learning, natural language processing, and big data technologies.
  • Proficient with programming languages such as Python, R, and Java, and familiar with data science frameworks and tools.
  • Strong understanding of data architecture, data engineering principles, and cloud computing platforms.
  • Excellent problem-solving skills with the ability to translate ambiguous business problems into structured, data-driven solutions.
  • Adept at communicating complex technical concepts clearly and effectively to both technical and non-technical stakeholders.
  • Strategic thinker with solid project management skills and the ability to drive end-to-end delivery of data science initiatives.
  • Passionate about mentoring and developing talent, fostering a collaborative and innovative team environment.
  • Knowledgeable about data privacy, security standards, and regulatory compliance related to data use.


Nice to Have:

  • Familiarity with containerization (Docker, Kubernetes) and CI/CD pipelines for data science workflows.
  • Background in software engineering or experience working closely with engineering teams.
  • Exposure to data governance, ethics in AI, and compliance frameworks like GDPR and HIPAA.
  • Prior experience in agile methodologies and cross-functional team leadership.
  • Advanced degree in data science, computer science, statistics, or a related field.
  • Prior startup or SaaS experience.

Total Rewards


The salary range for this position is $104,000 - $215,000, and individuals may be eligible to participate in our bonus program. Deloitte is fair and competitive when it comes to the salaries of our people. We regularly benchmark across a variety of positions, industries, sectors, targets, and levels. Our approach is grounded on recognizing people's unique strengths and contributions and rewarding the value that they deliver.

Our Total Rewards Package extends well beyond traditional compensation and benefit programs and is designed to recognize employee contributions, encourage personal wellness, and support firm growth.  Along with a competitive base salary and variable pay opportunities, we offer a wide array of initiatives that differentiate us as a people-first organization. On top of our regular paid vacation days, some examples include: $4,000 per year for mental health support benefits, a $1,300 flexible benefit spending account, firm-wide closures known as "Deloitte Days", dedicated days of for learning (known as Development and Innovation Days), flexible work arrangements and a hybrid work structure.

 

Our promise to our people: Deloitte is where potential comes to life.

 

Be yourself, and more.

We are a group of talented people who want to learn, gain experience, and develop skills. Wherever you are in your career, we want you to advance.

You shape how we make impact.

Diverse perspectives and life experiences make us better. Whoever you are and wherever you’re from, we want you to feel like you belong here. We provide flexible working options to support you and how you can contribute.

Be the leader you want to be

Some guide teams, some change culture, some build essential expertise. We offer opportunities and experiences that support your continuing growth as a leader.

Have as many careers as you want.

We are uniquely able to offer you new challenges and roles – and prepare you for them. We bring together people with unique experiences and talents, and we are the place to develop a lasting network of friends, peers, and mentors.

The next step is yours

 

At Deloitte, we are all about doing business inclusively – that starts with having diverse colleagues of all abilities. Deloitte encourages applications from all qualified candidates who represent the full diversity of communities across Canada. This includes, but is not limited to, people with disabilities, candidates from Indigenous communities, and candidates from the Black community in support of living our values, creating a culture of Diversity Equity and Inclusion and our commitment to our AccessAbility Action PlanReconciliation Action Plan and the BlackNorth Initiative.

 

We encourage you to connect with us at accessiblecareers@deloitte.ca if you require an accommodation for the recruitment process (including alternate formats of materials, accessible meeting rooms or other accommodations) or indigenouscareers@deloitte.ca  for any questions relating to careers for Indigenous peoples at Deloitte (First Nations, Inuit, Métis).

 

When you apply, we will review your application using Deloitte's Global Talent Standards to ensure a consistent  recruitment experience. Our recruitment advisors and hiring teams will utilize human screening combined with AI technology to help identify the skills and qualities that matter most to our business, while safeguarding your privacy and using AI responsibly.

Deloitte Canada has 20 offices with representation across most of the country. We acknowledge that Deloitte offices stand on traditional, treaty, and unceded territories in what is now known as Canada. We recognize that Indigenous Peoples have been the caretakers of this land since time immemorial, nurturing its resources and preserving its natural beauty. We acknowledge this land is still home to many First Nations, Inuit, and Métis Peoples, who continue to maintain their deep connection to the land and its sacred teachings. We humbly acknowledge that we are all Treaty people, and we commit to fostering a relationship of respect, collaboration, and stewardship with Indigenous communities in our shared goal of reconciliation and environmental sustainability.


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