Lead Data Scientist (FBL/RCA)

McKesson; Mississauga; On-site; CAD 122,000 - 163,000; Full time

Job summary

McKesson is seeking a Data Scientist – Level 5 to advance data science capabilities across the enterprise in a regulated environment. You will design, develop, and deploy predictive analytics and ML models, integrating large datasets and architecting data solutions while guiding best practices and data literacy across teams.

Lead a team of data scientists, provide technical mentorship, and present analytical insights to senior leadership to drive data-driven decisions.

Qualifications

• Experience designing and deploying enterprise-scale data science solutions.
• Ability to mentor data scientists and guide project delivery.
• Governance and audit-aware development of analytics solutions.

Responsibilities

• Lead design, development, and deployment of advanced analytics and ML models.
• Oversee data integration and prepare large datasets for modeling.
• Provide technical guidance and mentorship to team members.
• Create and present data visualizations and findings to leadership.
• Collaborate with engineering and service teams to align solutions with needs.
• Communicate predictions and insights to leaders to drive decisions.
• Promote adoption of new data science technologies.

Skills

Model deployment

ML interpretability

Predictive modeling

Data integration

Leadership/mentoring

Education

Bachelor's degree or equivalent

Advanced degree preferred

Tools

Big data platforms

SQL/NoSQL

Python/ML tools

Job description

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve – we care.

What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patients, our communities, and our people. If you want to be part of tomorrow’s health today, we want to hear from you.

The Data Scientist – Level 5 serves as a strategic leader in advancing McKesson’s data science capabilities to solve complex business and IT challenges. This position is responsible for designing, developing, and deploying advanced predictive analytics and machine learning models that enable data-driven decision-making across the enterprise. Operating within a regulated environment, the role ensures compliance while driving innovation and measurable impact.

This role directs the integration of large, varied datasets, architects specialized databases, and oversees computing environments for data science projects. The Data Scientist collaborates with engineering, service teams, and business stakeholders to align solutions with enterprise priorities. Additionally, the position provides technical guidance, mentorship, and thought leadership to promote best practices and foster data literacy across the organization.

Key Responsibilities

• Lead the design, development, and deployment of advanced predictive analytics and machine learning models to address complex business and IT challenges.
• Oversee integration and preparation of large datasets, architect specialized databases, and manage computing environments for data science projects.
• Provide technical guidance and mentorship to data science team members, ensuring adherence to best practices in modeling, automation, and visualization.
• Direct the creation and presentation of data visualizations, dashboards, and analytical findings to leadership, IT, and business stakeholders.
• Collaborate with engineering and service management teams to align data science solutions with business needs and coordinate resources for successful execution.
• Communicate predictions and insights to leadership, recommending effective changes to procedures, processes, and strategies.
• Present findings and recommendations to leadership, supporting enterprise-wide data-driven decision-making.
• Drive adoption of emerging technologies and innovative approaches to strengthen McKesson’s data science capabilities.

Minimum Job Qualifications (Knowledge, Skills, & Abilities)

• Expertise in model deployment patterns (batch/stream) and scalable scoring solutions.
• Expertise in model evaluation frameworks, champion–challenger testing, and lifecycle metrics.
• Expertise in ML model interpretability for governance and audit requirements.
• Expertise in predictive modeling across diverse business problem types under production constraints.
• Advanced capability in synthetic data generation for augmentation and privacy-preserving use.
• Strong business acumen and ability to translate analytical findings into actionable recommendations.
• Ability to lead design and development of advanced analytics solutions across teams.
• Ability to provide technical guidance and mentor junior data scientists to ensure quality delivery.

Business Experience

• Bachelor’s degree or equivalent combination of education and experience; advanced degree strongly preferred.
• Typically requires 10+ years of professional experience in designing and deploying enterprise-scale data science solutions. Less experience is accepted with relevant Master's or Doctorate qualifications.
• Experience in leading teams, mentoring talent, and providing technical guidance for high-impact projects.

We are proud to offer a competitive compensation package at McKesson as part of our Total Rewards. This is determined by several factors, including performance, experience and skills, equity, regular job market evaluations, and geographical markets. The pay range shown below is aligned with McKesson’s pay philosophy, and pay will always be compliant with any applicable regulations. In addition to base pay, other compensation, such as an annual bonus or long-term incentive opportunities may be offered.

Our Base Pay Range for this position

$122,100 - $162,800

McKesson is an Equal Opportunity Employer

McKesson provides equal employment opportunities to applicants and employees, without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, age, genetic information, or any other legally protected category. For additional information on McKesson’s full Equal Employment Opportunity policies, visit our Equal Employment Opportunity page.

McKesson is committed to being an Equal Employment Opportunity Employer and offers opportunities to all job seekers including job seekers with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, please contact us by sending an email to (United States) [e-mail] or (Canada) [e-mail]. Resumes or CVs submitted to this email box will not be accepted.

Join us at McKesson!