Senior Data Scientist

Banque Nationale du Canada; Montreal (administrative region); Hybrid; CAD 110,000 - 140,000; Full time

Benefits offered by this job

Health and wellness program

Employee Share Ownership Plan

Employee and family assistance program

Preferential banking services

Community involvement

Job summary

Banque Nationale du Canada in Montreal is seeking a Senior Data Scientist, Team Lead, in the Governance and Credit quality team. You’ll specialize in credit decision model validation and influence risk management through modelling, credit risk, and quantitative methods.

You will lead model risk assessments, monitor production models, manage lifecycles, draft validation reports, and guide strategic projects affecting the bank’s models and decision-making.

Qualifications

• Bachelor’s or master’s degree in a related field
• 7–10 years of relevant experience
• Excellent knowledge of quantitative methods, particularly modelling and AI techniques
• Extensive experience in credit risk and model validation
• Proficiency in SAS, R or Python

Responsibilities

• Carry out and oversee independent model risk assessments for credit decision models for individuals and SMEs
• Monitor the performance of models in production, analyze results and identify gaps, drifts and risks
• Act as a reference for the model lifecycle, ensuring regulatory requirements and internal policies are followed
• Draft and review validation reports, conclusions and recommendations with clear communication of findings
• Participate in strategic projects related to retail and SME credit by assessing impact on models and risk profile
• Provide technical coaching and support to colleagues, audits, and regulatory reviews

Skills

Quantitative methods

Modelling

Artificial intelligence

Team leadership

Data analysis

Risk management

Communication

Education

Bachelor's or Master's degree

Tools

SAS

R

Python

Job description

Area(s) of interest: Business intelligence and data

Location(s): Montreal

A career as a Senior Data scientist, Team Lead, in the Governance and Credit quality team at National Bank means serving as a specialist in credit decision model validation. This position allows you to have a positive impact on the Bank's risk management thanks to your expertise in modelling, credit risk and quantitative methods. You contribute to the independent assessment of the models used for credit activities for Personal Banking and small and Medium-sized businesses. You also provide technical leadership to your colleagues and participate in strategic projects that influence the Bank's models, decision-making strategies and risk profile.

• Carry out and oversee independent model risk assessments for credit decision models intended for individuals and SMEs, by analysing their methodological robustness, assumptions, limitations, and risks related to their approval, implementation and use.
• Monitor the performance of models in production by analysing results, identifying gaps, drifts and emerging risks, and recommending the actions required to maintain an acceptable level of risk.
• Act as a reference in managing the model lifecycle, ensuring the consistent application of regulatory requirements, internal policies and model risk management standards.
• Draft and review validation reports, conclusions and recommendations, clearly communicating findings, issues, risks and impacts on credit decisions and risk management.
• Participate in strategic projects related to retail and SME credit activities by assessing the impact of the proposed changes on the Bank's models, decision-making strategies, credit processes and risk profile.
• Act as a technical reference for the team and business partners, contributing to the resolution of complex issues, supporting audits and regulatory reviews, and promoting the continuous improvement of model risk validation and management practises.

A career as a Senior Data scientist, Team Lead, in the Governance and Credit quality team at National Bank means serving as a specialist in credit decision model validation. This position allows you to have a positive impact on the Bank's risk management thanks to your expertise in modelling, credit risk and quantitative methods. You contribute to the independent assessment of the models used for credit activities for Personal Banking and small and Medium-sized businesses. You also provide technical leadership to your colleagues and participate in strategic projects that influence the Bank's models, decision-making strategies and risk profile.

Your job

• Carry out and oversee independent model risk assessments for credit decision models intended for individuals and SMEs, by analysing their methodological robustness, assumptions, limitations, and risks related to their approval, implementation and use.
• Monitor the performance of models in production by analysing results, identifying gaps, drifts and emerging risks, and recommending the actions required to maintain an acceptable level of risk.
• Act as a reference in managing the model lifecycle, ensuring the consistent application of regulatory requirements, internal policies and model risk management standards.
• Draft and review validation reports, conclusions and recommendations, clearly communicating findings, issues, risks and impacts on credit decisions and risk management.
• Participate in strategic projects related to retail and SME credit activities by assessing the impact of the proposed changes on the Bank's models, decision-making strategies, credit processes and risk profile.
• Act as a technical reference for the team and business partners, contributing to the resolution of complex issues, supporting audits and regulatory reviews, and promoting the continuous improvement of model risk validation and management practises.

Your team

Governance and Credit quality, under Senior Vice-President – Credit Analytics and Integrated risk Management, brings together more than 35 specialists who collaborate to develop innovative solutions adapted to industry challenges. You are part of a team recognised for its diversity of expertise, rigour and ability to deliver quality results. Our goal is to offer you maximum flexibility to promote your quality of life, particularly through a flexible, hybrid work environment.

The Bank values continuous development and internal mobility. Our personalised training programs, based on on on-the-job learning, help you master your profession and develop new fields of expertise. Tools such as the Data Academy, language training, the Harvard Learning Centre and coaching and mentoring support are available to you at any time.

Prerequisites

• Bachelor’s or master’s degree in a related field and 7 to 10 years of relevant experience.
• Excellent knowledge of quantitative methods, particularly modelling and artificial intelligence techniques.
• Proficiency in at least one of the following languages or software: SAS, R or Python.
• Extensive experience in credit risk and model validation
• Solid knowledge of activities and products related to Personal Banking and small and medium-sized businesses.
• Experience in technical coordination, coaching or developing colleagues in an analytical or validation environment.

Languages:

Reason to require this language: you will need to collaborate with a regulator/authority/government body outside Quebec.

Skills

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Artificial Intelligence Communication Data Structures Data Visualization Diversity & Inclusion Performance Analysis Problem Solving Statistics Storytelling Teamwork Business Acumen Data-Driven Decision-Making Detail-oriented Initiative Learning Agility

In addition to competitive compensation, upon hiring you’ll be eligible for a wide range of flexible benefits to help promote your wellbeing and that of your family such as:

• Health and wellness program, including many options
• Employee Share Ownership Plan
• Employee and family assistance program
• Preferential banking services
• Involvement in community initiatives
• Virtual sleep clinic

We have an offer that keeps up with trends as well as your needs and those of your family.

Our dynamic work environments and cutting-edge collaboration tools foster a positive employee experience. We value employees’ ideas. Whether through our surveys or programs, regular feedback and ongoing communication are encouraged.

Making a bold move in a people-first environment

We’re a bank on a human scale that stands out for its courage, entrepreneurial culture, and passion for people. Our mission is to have a positive impact on people’s lives. Our core values of partnership, agility, and empowerment inspire us, and inclusion is central to our commitments. We aim, wherever possible, to provide a barrier-free and accessible environment to all employees.

We strive to provide accessibility measures throughout the recruitment process within the limits of our available resources. If you require accommodations, feel free to let us know during our initial conversations. We welcome all candidates! What can you bring to our team?

Why work at National Bank?

For an environment that supports your career path

There are many varied opportunities for you to progress and develop, and move ahead in your career. This includes on-the-job learning and training, co-development and pairing with other employees, professional support and mentoring, internal career days or discussion forums with our leaders.

For an inclusive and diverse environment

We foster inclusion in an environment where each person’s unique qualities, whether visible or invisible, are celebrated and valued. We welcome all candidates! What can you bring to our team?

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