Senior Data Scientist

About the role

Reporting to the Head of Data Strategy & Analytics, the Senior Data Scientist is accountable for the end-to-end design, delivery, and continuous improvement of advanced analytics and data science solutions. The role operates with a high degree of autonomy, leading complex initiatives, shaping analytics capabilities, and influencing data-driven decision-making across the organization. This position serves as a subject matter expert, responsible for translating ambiguous business challenges into scalable data solutions, driving innovation, and contributing to the strategic direction of analytics within the OSC. Key Duties and Responsibilities Advanced Analytics and Data Science Own and be accountable for the full lifecycle of data science products, including problem framing, design, development, deployment, and post-implementation optimization, ensuring alignment with business priorities and measurable outcomes. Mining, cleaning and delivery of data products to business users with the expertise to write code, analyze and synthesize large data sets Deliver dashboard insights and data science services to all branches at the OSC Define, implement, and continuously enhance analytics standards, methodologies, and best practices across the function. As subject matter expert, participate in code review, knowledge sharing and quality assurance of any deliverable outputs Build and manage senior stakeholder relationships, influencing priorities, shaping requirements, and aligning analytics solutions with organizational objectives . Lead and independently manage multiple complex analytics initiatives, including prioritization, stakeholder alignment, risk mitigation, and delivery against defined outcomes and service level commitments. Architect, test and deliver complex cloud-based analytics in a prototype fashion to establish quick wins and establish business value In-depth knowledge of financial concepts, Securities Act and regulations, and the capital market participants, and their contextual relationship with analytics and data science needs Build and maintain security master databases for various financial instruments including equities, bonds, exchanged traded and OTC derivatives, FX, Interest rate, etc. As a team member in an Agile Framework, lead the Agile ceremonies such as sprint planning, backlog grooming, stakeholder demos and daily scrums Liaise effectively with OSC staff on opportunities to improve analytics and data science support, and work with them to design actionable implementation plans including but not limited to requirement gathering, sprint reviews, demonstrations of capabilities and sustained delivery of end product Provide strategic advisory support to business leaders by identifying opportunities to leverage data and analytics to address regulatory, operational, and policy challenges. Accountable for ensuring analytics solutions deliver measurable business value, including adoption, usability, and impact on decision-making. Provide mentorship, technical guidance, and informal leadership to junior team members, supporting capability development and promoting best practices across the team.

Requirements

• Undergraduate degree in STEM programs, including Mathematics, Computer Science, Computer Engineering, Business or other related discipline
• Master's degree in related discipline preferred but not required
• 5+ years of relevant experience in Data Science or Advanced Analytics Roles in the capital market industry
• Experience with Advanced Analytics, Data Science and/or application development
• Proven track record of contributing to growing teams
• Expert in Agile Methodologies
• Demonstrated experience leading complex, ambiguous data science initiatives with minimal supervision
• Ability to work independently, understand and assess the impacts of daily work
• Advanced proficiency and experience working with analytics and application development languages, such as Python, R, Scala, Spark, Angular, React JS, PowerBI etc.
• Ability to develop and deliver effective reports, presentations, briefing notes and papers to management

Benefits

Additional Information

Business Unit Regular, Full time Closing Date: June 30, 2026 The Ontario Securities Commission (OSC) is the statutory body responsible for regulating Ontario's capital markets in accordance with the mandate established in the provincial Securities Act and the Commodity Futures Act. The mandate of the OSC is to provide protection to investors from unfair, improper or fraudulent practices, to foster fair, efficient and competitive capital markets and confidence in the capital markets, to foster capital formation, and to contribute to the stability of the financial system and the reduction of systemic risk. This mandate is performed through policy, operational, and enforcement activities. The OSC also contributes to national and global securities regulation development. We offer a diverse, fair, and flexible work environment and take pride in our challenging and rewarding work.

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