Jobs in Canada

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Added 8 mins ago
RC
Site installation Manager (Stoney Creek, Ontario)
REEL COH Inc.
Stoney Creek, NB
- Full-time
Lead and manage installation projects from start to finish, ensuring scope, schedule, budget, and quality objectives are met.
Added 23 mins ago
4S
Senior Databricks Platform Architect / Lead
49 Solutions
Ottawa, ON
- $150,000 to $250,000 CAD / year
- Contract
Candidates must hold a valid and active Government of Canada Reliability, Secret or Top Secret security clearance
Added 23 mins ago
4S
Senior Databricks Platform Architect / Lead
49 Solutions
Remote, Canada
- $150,000 to $250,000 CAD / year
- Contract
- Remote
Candidates must hold a valid and active Government of Canada Reliability, Secret or Top Secret security clearance
Added 23 mins ago
Lead Service/Experience Designer
NTT DATA Services
Halifax, NS
We are currently seeking a Lead Service/Experience Designer to join our team in Halifax, Nova Scotia (CA-NS), Canada (CA).
Added 53 mins ago
S
Lead Platform Architect/Architecte Responsable des Plateformes (Montreal)
Slalom
Montreal, QC
- Full-time
Candidates must live within a reasonable commuting distance of Slalom’s Montreal office
Added 53 mins ago
H
Security Architecture
HRConnects
Montreal, QC
- Full-time
…will help build resilient zero-trust models, enforce robust identity and access management policies, and deploy comprehensive logging and secure transmission protocols. Collaborating with…
Added 1 hour ago
M
Internal Wholesaler, Canada Insurance
Manulife
Vancouver, BC
- Full-time
We lead with our Values every day and bring them to life together.
Added 1 hour ago
C
Power BI Developer
Capgemini
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Role Summary requires 2 to 3 days per week in North York, Ontario
Added 1 hour ago
BS
Senior Design Quality Engineer - Electrophysiology
Boston Scientific
Montreal, QC
- Full-time
This hybrid role is preferably based in Montreal, Canada, with on-site presence required at least three (3) days per week
Added 1 hour ago
Operations Manager, Components Manufacturing
BWXT
Cambridge, ON
Lead and oversee Shop Supervisors and unionized skilled trades while ensuring adherence to all BWXT policies and standards.
Added 1 hour ago
Sr. Content Specialist
Vail Resorts
Whistler, BC
…resorts; and the product that provides guests with unrivaled access to all of them, the Epic Pass. Our resort-based communications teams manage strategic communications, PR, content…
Added 1 hour ago
UR
Sales Development Program Sales Associate
United Rentals
Terrace, BC
- Full-time
Training: must live within reasonable driving distance of assigned branch and report on-site M-F
Added 1 hour ago
SC
Analyste Senior, livraison de services aux clients bilingue (70309755)
Sodexo Canada Ltd
Montreal, QC
- Full-time
Mode de travail : À temps plein, en présentiel (5 jours par semaine)
Added 1 hour ago
T
Head of Business Development - Marketing Solutions
TransUnion
Toronto, ON · Burlington, ON
- Full-time
Be the expert: bring expert-level knowledge of TransUnion’s audience, identity, activation, measurement and MMM solutions, and independently lead client conversations from discovery through…
Added 1 hour ago
Regional Service Training Manager
Vestis Uniforms and Workplace Supplies | Canadian Linen & Uniform Service | Québec Linge Service D’Uniformes
QC · ON · MB · AB · SK · BC · NL
…solution that promotes teamwork and establishes a professional…
Added 2 hours ago
M
Director, Product & Growth
Manulife
Toronto, ON · Waterloo, ON · Montreal, QC · Halifax, NS
- Full-time
Lead the strategic management of external product partners and vendors, working with Procurement and business partners on selection, contracting, renewals, service expectations, performance…
Added 2 hours ago
K
I&C and Telecom Lead
Kent
Calgary, AB
- Full-time
Kent is looking for a Lead Engineer – Instrumentation, Control & Telecom to lead the delivery of instrumentation, control systems, and telecommunications engineering for industrial projects…
Added 2 hours ago
S
AVP, Agentic Development
Sunlife
Toronto, ON
- Full-time
Lead the agentic development organization, including organization design, leadership accountabilities, workforce and succession planning, talent acquisition and development, culture,…
Added 2 hours ago
I|
Manager - Logistics Technology SecOps
Intelcom | Dragonfly
Montreal, QC
- Full-time
Own the security of our CI/CD Pipelines, AWS, Azure and Kubernetes environments, including account and cluster hardening, identity and access, and network controls.
Added 2 hours ago
SQ
AVP, Security Domain Enterprise Architecture
Sunlife Québec
Montreal, QC
- Full-time
Lead architectural direction for security transformation programs, including identity modernization, cloud security, network segmentation, application security, data protection, and cyber…
Added 2 hours ago
MP
Senior Cyber Security Engineer - IAM
Michael Page
Toronto, ON · Greater Toronto Area, Canada
- $115,000 to $125,000 CAD / year
- Full-time
Lead security design for identity and access management, including authentication, authorization, federation, privileged access, and conditional access design across Active Directory, ADFS…
Added 2 hours ago
E-Commerce Activation Manager (15-month contract)
Nestle Operational Services Worldwide SA
Montreal, QC
We are looking for an experienced and strategic eCommerce Activation Manager to lead our B2C digital sales channel in Canada. This 15-month contract opportunity to cover a maternity leave.
Added 2 hours ago
AI
ServiceNow Implementation Architect
Avanciers Inc.
Toronto, ON
- $120,000 to $140,000 CAD / year
- Full-time
Consulting & Governance: Lead customer workshops, guide cross-functional processes (ITSM, ITOM, CSDM, HR/Finance flows), manage license scope, and confidently push back or explain…
Added 2 hours ago
M
Director, Product & Growth
Manulife
Toronto, ON
- Full-time
Lead the strategic management of external product partners and vendors, working with Procurement and business partners on selection, contracting, renewals, service expectations, performance…
Added 2 hours ago
VH
Director, Developer Platform and AI Transformation
Verily Health
Waterloo, ON
- Full-time
…pipelines, along with foundational developer services such as identity and access management…

Citi

Lead Data Scientist / VP

Mississauga, ON, Canada

$111,600.00 - $161,600.00 · Full-time

Apply on citi.wd5.myworkdayjobs.com About employer

Applications open in a new tab.

Job details

Pay: $111,600.00 - $161,600.00
Job type: Full-time
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.

Apply on citi.wd5.myworkdayjobs.com About employer

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 at least six years of relevant 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

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

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
Vertex AI
LangChain
LangGraph
PyTorch
TensorFlow
Pandas
NumPy
SciPy
Scikit-learn
Statsmodels
Data Engineering
Model Risk Management
Responsible AI
Vector Search
Feature Engineering
Causal Inference
Cloud Computing
API Development
People Analytics
Workforce Planning

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Jobs in Canada