Desjardins Group

Senior Security Data Scientist

Desjardins Group • $110K — $130K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in machine learning, computer science, statistics, mathematics or related field
  • Minimum of six years of quantitative analysis or modeling experience
  • Experience in developing and implementing AI solutions
  • Expertise in Python programming and analytical product development
  • Knowledge of security data such as application and transaction logs
  • Familiarity with cloud platforms like Microsoft Azure
  • Fluency in French and intermediate English proficiency required.

Responsibilities

  • Transform and analyze large-scale data to inform security decisions.
  • Design innovative data analysis methodologies in collaboration with risk experts.
  • Implement and monitor tailored AI solutions for security operations.
  • Contribute to the development of security analytics methodologies through research partnerships.
  • Identify and prioritize data valorization opportunities to align with business strategy.
  • Ensure alignment of delivery teams on complex analytical solution development.

Benefits

  • 4 weeks of flexible vacation starting in the first year
  • Defined benefit pension plan for stable retirement income
  • Group insurance including telemedicine services
  • Reimbursement for health, wellness, and telework equipment expenses
Full Job Description
As a senior security data scientist, you9ll help support, maximize and automate security decision-making using artificial intelligence and improve analytics practices within the Desjardins Group Security Office (DGSO). Your projects and initiatives require deep knowledge of your line of work. You help various stakeholders valorize data for security needs. You interact with stakeholders working in other fields to identify needs and present proposed solutions. More specifically, you will be required to:
  • Transform and analyze complex, large-scale data to extract the knowledge needed to make decisions. This includes exploring and evaluating (scope, quality, etc.) the data available to meet business needs (detection, response, prevention, etc.).
  • Design innovative data analysis approaches (diagnostic, predictive, prescriptive and cognitive) in partnership with experts on the risks associated with application and business processes.
  • Implement, evaluate, document and monitor artificial intelligence solutions that are tailored to the monitoring needs of security operations teams.
  • Contribute to the industrialization and development of security analytics methodologies, including by participating in research projects with partners in the industry and academic ecosystem.
  • Identify, evaluate and prioritize data valorization opportunities, define solutions and develop an analytical roadmap that is integrated with Desjardins Group9s business plan and strategic vision.
  • Ensure delivery teams are aligned in terms of the design and development of highly complex analytical solutions.


What we offer*
  • Competitive salary and annual bonus
  • 4 weeks of flexible vacation starting in the first year
  • Defined benefit pension plan that provides predictable, stable income throughout retirement
  • Group insurance including telemedicine
  • Reimbursement of health and wellness expenses and telework equipment

* Benefits apply based on eligibility criteria.

What you bring to the table
  • Bachelor9s degree in machine learning, computer science, statistics, mathematics or a related field
  • A minimum of six years of relevant experience in quantitative analysis or modelling
  • Please note that other combinations of qualifications and relevant experience may be considered
  • Experience developing and implementing artificial intelligence solutions
  • Knowledge of French is required
  • Intermediate knowledge of English due to the nature of the duties or work tools or because the position involves interactions with English-speaking partners, members and/or clients
  • Expertise with data science methodologies and their limitations (machine learning, statistics, artificial intelligence, etc.)
  • Expertise in Python programming (scikit-learn, pyspark, pandas, numpy, scipy, langchain, etc.) and in analytical product development practices (git, mlflow, familiarity with MLOps concepts)
  • Proficiency of development in Apache Spark (via pyspark or scala, knowledge of Databricks)
  • Proficiency of deep learning techniques and development frameworks (keras, tensorflow, pytorch, etc.)
  • Proficiency of generative AI-based development approaches (LLMs, RAGs, prompt engineering, etc.)
  • Knowledge of security data (application logs, transaction logs, etc.)
  • Knowledge of cloud platforms such as Microsoft Azure
  • Professional knowledge of a security sub-area
  • Familiarity with using plain language techniques to communicate information through both speech and writing
Action oriented, Complexity, Customer Focus, Differences, Innovation, Interpersonal Savvy, Nimble learning

Trade Union (If applicable)

Job Family
Data (FG)

Unposting Date
2026-10-16

About Desjardins Group

Desjardins Group is a Canadian cooperative financial group with headquarters in Montreal, Quebec. It was founded in 1900 and has since grown to become the largest cooperative financial group in Canada, with over 7 million members and clients. The group offers a range of financial services including banking, insurance, wealth management, and investment services. Desjardins Group operates primarily in Quebec and Ontario, but also has a presence in other Canadian provinces as well as in the United States and Europe. The group is committed to social responsibility and sustainability, and has implemented various initiatives to promote these values.
Learn more about Desjardins Group
Size
48,200 employees
Industry

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