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Added 5 mins ago
T
Manager, Compliance Monitoring & Testing (5672)
TD
Toronto, ON
- Full-time
…may vary based upon the candidate's skills and experience, job-related knowledge, geographic location, and other specific business and organizational…
Added 5 mins ago
AR
President & Chief Executive Officer
Arnprior Regional Health
Arnprior, ON
- Full-time
The ideal candidate is an accomplished, collaborative and values-driven executive who brings senior leadership experience within healthcare or another complex, highly regulated environment.…
Added 5 mins ago
SS
Project Management, Assistant Vice President
State Street
Toronto, ON
- Full-time
Work with various stakeholders, including Canada senior management and sales and RM teams, to gather inputs to build executive reporting. Includes responsibility for the ongoing…
Added 5 mins ago
PH
Senior Project Coordinator - Permanent - 4310
Parker Huggett - A Division of LRO Staffing
Toronto, ON · Greater Toronto Area, Canada
- Full-time
If you are a Senior Project Coordinator who learns fastest when you are given room, this short read is worth your time.
Added 5 mins ago
C
Apps Dev Intmd Programmer Analyst
Citi
Mississauga, ON
- Full-time
We are seeking a talented and passionate Junior Developer to join our Operations Workbench team. You will be a key contributor to the development of our new, cutting-edge platform. You will…
Added 5 mins ago
C
Apps Dev Intmd Programmer Analyst
Citi
Mississauga, ON
- Full-time
We are seeking a senior Full Stack developer with strong data/event-driven design and implementation skills to implement our next generation Markets Technology.
Added 5 mins ago
JI
Executive Assistant
J.D. Irving, Limited
Dartmouth, NS
- Full-time
5-8 years of experience in an Executive Assistant or senior administrative support role.
Added 5 mins ago
ES
Implementation Manager - ECP, Grants
Euna Solutions
ON · Oakville, Ontario
- Full-time
Core responsibilities apply across both levels. Senior-level candidates lead more complex engagements and take on greater internal ownership.
Added 5 mins ago
PS
Manager, Industry Development
Polaryn Solutions Inc.
Dartmouth, NS
- Full-time
Facilitate working sessions with senior industry and defence stakeholders to define requirements, evaluate technologies, and to resolve technical or commercial barriers to ensure promising…
Added 5 mins ago
B
Mortgage Specialist Associate
BMO
Vaudreuil-Dorion, QC
- Full-time
Addresses customer service issues according to established parameters, escalating persistent or complex matters to more senior staff or other departments for resolution.
Added 5 mins ago
A
Responsable avion en commandes de vol / Aircraft Flight Control Systems Lead
Airbus
Mirabel, QC · Montreal, QC
- Full-time
Added 5 mins ago
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Senior Manager, GTO Strategy & Transformation
Manulife
Toronto, ON
- Full-time
…of the role - the quality of this synthesis directly shapes senior leadership's understanding of GTO's transformation…
Added 5 mins ago
Aquatic Toxicologist
WSP
Vancouver, BC
…assessment, and environmental monitoring, while collaborating with senior staff to understand project objectives and…
Added 5 mins ago
PH
Preconstruction Project Manager, ICI, Edmonton - Permanent - 4329
Parker Huggett - A Division of LRO Staffing
AB · Edmonton, AB
- Full-time
Every project manager has inherited a job that was won on a number nobody could build to. This role exists so the Edmonton operation of a large Canadian general contractor stops handing…
Added 5 mins ago
EC
Event Senior Technical Lead, The International Centre, Mississauga Full Time
Encore Canada
Mississauga, ON
- Full-time
Ability to interact professionally and effectively with a diverse work force, customer base and senior level management.
Added 5 mins ago
NB
Plant Manager
Northam Beverages
Kamloops, BC
- Full-time
Provides timely reporting and updates to senior leadership regarding plant performance, risks, and opportunities.
Added 5 mins ago
P
Graphics Specialist – Building Automation / EBO (GSBA004)
Potenco
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Work closely with the Solution Architect / Lead EBO Engineer, Senior Systems Integrators, BAS Specialists, Controls Specialists, commissioning personnel, and project teams.
Added 5 mins ago
UI
Product Manager
UAP Inc.
Burnaby, BC
- $70,100 to $87,600 CAD / year
- Full-time
The Product Management Department is currently seeking a Product Manager. The selected candidate will assist the Senior Market Manager in implementing approved marketing strategies for…
Added 5 mins ago
TS
Senior Architectural Technologist
TalentSphere Staffing Solutions
Victoria, BC
- Full-time
…technical delivery, the firm is looking for an experienced Senior Architectural Technologist with a strong background in institutional projects, particularly K-12 schools, to take on a key…
Added 20 mins ago
W
Director, Executive Compensation & Board Advisory Consulting
WTW
Calgary, AB
- $110,000 to $150,000 CAD / year
- Full-time
…compensation, manage consulting projects and provide input to senior colleagues while overseeing and quality-reviewing junior staff’s work. You will learn compensation consulting skills and…
Added 20 mins ago
FS
Director, Transformation & Regulatory Modernization
Financial Services Regulatory Authority (FSRA)
Toronto, ON · FSRA Head Office
- Full-time
Provide strategic advice and recommendations to senior leadership on program direction, delivery risks, and transformation opportunities.
Added 20 mins ago
Internal Auditor, Technology Audit & Data Analytics
Gibson Energy
AB · Calgary, AB
The Internal Auditor reports directly to the Senior Manager Internal Audit, Controls and Enterprise Risk. This role is responsible for delivering the organization’s risk-based Internal…
Added 20 mins ago
Senior Eddy Current Specialist
BWXT
Kitchener, ON
As our Senior Technical Specialist, Balance of Plant Eddy Current you will be accountable for the end-to-end planning, preparation, and successful execution of Balance of Plant Eddy Current…
Added 20 mins ago
MI
Sourcing Manager, Packaging
Mondelēz International
Toronto, ON
- Full-time
Organizational agility, influencing stakeholders and interacting effectively with senior leaders based on a deep understanding of business priorities
Added 20 mins ago
C
Associate Business Systems Analyst
Co-operators
Calgary, AB · Guelph, ON · Regina, SK
- Full-time
Contributing to estimating assigned tasks based on prior experience and collaborating with senior team members to validate assumptions and refine estimates.

Citi

Lead Data Scientist / VP

Mississauga, ON, Canada

$111,600.00 - $161,600.00 · Full-time

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Job details

Pay: $111,600.00 - $161,600.00
Job type: Full-time
Apply by: Nov 8, 2026
Experience: 6+ Years of experience in Engineering or HR Technology.
Posting language: English
Posted: Oct 30, 2026

Original job description

The Lead Data Scientist will work hands-on across the AI and analytics development lifecycle. The role will design analytical approaches, develop and validate models, build Generative AI and agentic workflows, and partner with data engineers and technology teams to implement scalable production solutions.

The successful candidate will combine strong data-science expertise with practical engineering skills, enterprise implementation experience, and an understanding of governance requirements. The role will also provide technical guidance to other data scientists and help establish reusable methods, coding standards, and implementation practices.

Key Responsibilities

Advanced Analytics and Statistical Modeling

Design and implement statistical analyses, predictive models, machine-learning solutions, and analytical frameworks.
Translate workforce and organizational questions into measurable hypotheses, appropriate methodologies, and actionable insights.
Apply techniques such as regression, classification, clustering, survival analysis, forecasting, experimentation, and causal inference.
Perform feature engineering, variable selection, model tuning, validation, sensitivity testing, and performance evaluation.
Apply explainability methods such as SHAP, feature attribution, and scenario analysis.
Clearly document and communicate analytical assumptions, limitations, findings, and business implications.

Generative AI and Agentic Solutions

Design and build Generative AI applications, Retrieval-Augmented Generation solutions, and agentic workflows.
Implement tool calling, workflow orchestration, structured outputs, multi-turn interactions, and state management.
Integrate foundation models through approved enterprise gateways and cloud platforms.
Develop reusable prompts, agents, tools, evaluation components, and analytical services.
Build evaluation frameworks to measure accuracy, groundedness, retrieval quality, task completion, consistency, and hallucination risk.
Test and optimize solutions for reliability, performance, latency, cost, and user experience.

Data Engineering and Solution Implementation

Partner with data engineers and architects to design data pipelines, analytical datasets, feature-generation processes, APIs, and production integrations.
Develop clean, reusable, and well-documented Python and SQL code for analytical and AI solutions.
Work with structured and unstructured data from multiple enterprise sources.
Implement data-quality checks, logging, monitoring, error handling, and traceability within analytical workflows.
Support the development of feature libraries, embedding pipelines, vector-search capabilities, and model services.
Move prototypes into scalable production solutions using established MLOps and LLMOps practices.

Governance and Responsible AI

Ensure solutions comply with applicable Model Risk Management, privacy, cybersecurity, data-governance, and responsible AI requirements.
Implement appropriate access controls, data entitlements, PII protections, cohort-suppression rules, and analytical safeguards.
Conduct model-performance, explainability, bias, fairness, stability, and outcome testing.
Support controls for prompt-injection detection, approved tool use, source grounding, and model-output validation.
Prepare documentation covering methodologies, data dependencies, testing, limitations, controls, and implementation decisions.
Partner with risk and control functions to address findings and support required reviews.

Technical Leadership and Collaboration

Serve as a technical lead for complex data-science and AI initiatives while remaining a hands-on individual contributor.
Provide technical guidance and peer review to data scientists working on related solutions.
Help establish standards for coding, analytical design, model validation, testing, documentation, and deployment.
Partner with product managers, data engineers, architects, technology teams, and business stakeholders throughout implementation.
Present complex technical concepts and analytical results in clear language for business and senior stakeholders.
Contribute to delivery planning, solution design, technical decision-making, and resolution of implementation issues.

Qualifications and Required Skills

Experience

Typically, six or more years of relevant experience in data science, machine learning, statistical modeling, advanced analytics, AI implementation, or a related field.
Demonstrated experience implementing analytical, machine-learning, or AI solutions in an enterprise environment.
Experience moving solutions from research and prototyping through validation, production deployment, and monitoring.
Ability to lead complex technical work independently and collaborate effectively across multidisciplinary teams.
Experience operating within a regulated environment is beneficial.

Technical Expertise

Strong knowledge of statistical modeling, probability, regression, classification, clustering, forecasting, experimentation, and model validation.
Advanced proficiency in Python and libraries such as Pandas, NumPy, SciPy, Scikit-learn, Statsmodels, PyTorch, or TensorFlow.
Strong SQL skills and experience with data extraction, transformation, analytical cohort development, and data-quality testing.
Experience designing or implementing Generative AI, Retrieval-Augmented Generation, tool-calling, or agentic applications.
Familiarity with frameworks such as Google Agent Development Kit, LangGraph, LangChain, CrewAI, or comparable technologies.
Experience integrating foundation models through enterprise AI platforms such as Google Cloud and Vertex AI, Microsoft Azure, or AWS.
Understanding of APIs, data pipelines, vector embeddings, semantic search, and production integration patterns.
Familiarity with MLOps or LLMOps practices, including versioning, testing, deployment, observability, monitoring, and change management.
Knowledge of responsible AI, model explainability, bias and fairness testing, data privacy, and role-based access controls.

Beneficial Experience

Experience in People Analytics, Workforce Planning, Human Capital Management, organizational effectiveness, or financial-services analytics.
Experience working with sensitive workforce data and governed analytical environments.
Familiarity with enterprise software-development practices, source control, automated testing, and CI/CD.
Strong written and verbal communication skills, including the ability to explain technical methods to non-technical audiences.

Education

Master’s degree or Ph.D. in Data Science, Statistics, Mathematics, Computer Science, Engineering, Economics, Operations Research, or another quantitative discipline.
A bachelor’s degree with substantial relevant technical and implementation experience may also be considered.

Master's degree in Analytics, Data Science, Computer Science.

6+ Years of experience in Engineering or HR Technology.

Experience with Python and JavaScript

AI Automation.

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Job Family Group:

Decision Management

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Job Family:

Specialized Analytics (Data Science/Computational Statistics)

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Time Type:

Full time

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Primary Location Full Time Salary Range:

$111,600.00 - $161,600.00

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

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This job opening is for an existing job vacancy.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

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More about this job

Responsibilities

The Lead Data Scientist will design and implement advanced analytical models, Generative AI solutions, and agentic workflows while partnering with engineering teams for production deployment. The role also involves providing technical leadership, establishing coding standards, and ensuring compliance with governance and responsible AI requirements.

Requirements

Candidates must have six or more years of experience in data science, machine learning, or AI implementation within an enterprise environment. A Master’s degree or Ph.D. in a quantitative discipline is required, along with advanced proficiency in Python, SQL, and modern AI frameworks.

Skills

Python
SQL
Machine Learning
Statistical Modeling
Generative AI
Retrieval-Augmented Generation
Agentic Workflows
Data Engineering
MLOps
LLMOps
Predictive Modeling
Data Governance
Cloud Platforms
Model Validation
Feature Engineering
Technical Leadership

Visa sponsorship

Not detected in the job text

Keywords

Data Science
Machine Learning
Generative AI
Python
SQL
Statistical Modeling
Retrieval-Augmented Generation
Agentic Workflows
MLOps
LLMOps
Data Engineering
Cloud Platforms
Vertex AI
LangChain
LangGraph
PyTorch
TensorFlow
Pandas
NumPy
SciPy
Scikit-learn
Statsmodels
Model Risk Management
Responsible AI
Data Governance
Predictive Analytics
Feature Engineering
Vector Search
CI/CD
People Analytics

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