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Added 1 min ago
G
Spécialiste en tests de logiciels / Software Test Specialist
Genetec
Sherbrooke, QC
- Full-time
…bris de fonctionnalités qui pourraient avoir de l'impact en production dans un environnement d'intégration et de déploiement continu…
Added 1 min ago
PG
Salesforce Platform Support
Pacer Group
Toronto, ON
- $120,000 to $130,000 CAD / year
- Full-time
4+ years of relevant experience in application/production support, preferably in enterprise or banking environments.
Added 1 min ago
RI
Pest Control Technician
Rentokil Initial
Peace River, AB
- $43,000 to $45,000 CAD / year
- Full-time
…Labour Market Impact Assessment (LMIA) sponsorship, work permit support, permanent residency support, or assistance with work permit…
Added 1 min ago
S
Delivery Engineer, Operations – ALTO project / Cadence
SYSTRA
Montreal, QC
- Full-time
In this role, you will support the planning and design delivery of a major infrastructure program by leading the development, coordination, and operationalization of the Design Project…
Added 1 min ago
S
GIS Project Manager – ALTO project / Cadence
SYSTRA
Montreal, QC
- Full-time
Ensure GIS outputs support land program objectives such as temporary easement tracking, land acquisition analysis, corridor and impact analysis, and title and ownership integration.
Added 2 mins ago
C
Applications Development Sr Programmer Analyst
Citi
Mississauga, ON
- Full-time
· Stakeholder Management: Work with Business, Operations, and Production Support stakeholders to understand business needs and deliver effective solutions.
Added 2 mins ago
CT
Space Planning Specialist - 2 Roles
Canadian Tire Corporation
Toronto, ON · Retail City
- Full-time
Coordinate custom Planogram production assignments across Space Planning resources, communicating priorities, timelines and risks to support store delivery.
Added 2 mins ago
SL
Senior UI Artist
SkyBox Labs
Burnaby, BC
- Full-time
Elevate the team: Support the team as needed, sharing advanced techniques in toolsets, and advocating for quality across the studio
Added 2 mins ago
CD
Coordonateur.trice de Production | Production Coordinator
Cirque du Soleil Entertainment Group
Montreal, QC
- Full-time
Gérer les demandes TI pour les membres de l'équipe, assurer le lien avec le support TI, et préparer et mettre à jour les documents de production clés (bottin, calendriers, journal de…
Added 2 mins ago
methods and temporary works preconstruction technician
Pomerleau
Montreal, QC
Under the supervision of the Methods and Temporary Works Engineer, the successful candidate will support the coordination, development, and drafting of construction methods and temporary…
Added 2 mins ago
AM
Machine Learning Resident - Client: Ultimarii (12 month term)
Alberta Machine Intelligence Institute
Edmonton, AB
- Full-time
…Additionally, the project would see the chosen solution through the production implementation phase for further performance and retrieval quality…
Added 2 mins ago
JS
Licensed Electrician (442A) - Rotating Continental Shift
JFE Shoji Power Canada Inc.
Burlington, ON
- Full-time
…troubleshooting, and repairing electrical systems and equipment to support safe and efficient plant operations. This role requires strong technical expertise, attention to detail, and the…
Added 2 mins ago
M
Senior Manager, GTO Strategy & Transformation
Manulife
Toronto, ON
- Full-time
In this role, you will support execution of GTO's strategy, transformation, AI enablement, workforce modernization, value realization, and governance agenda. You will conduct deep…
Added 2 mins ago
C
Producer – Assignment (English Services) (On Site)
CBC/Radio-Canada
Iqaluit, NU
- Full-time
In this role, you will play a key support in the development of our daily radio and TV programming working alongside other producers.
Added 2 mins ago
NF
Assistant Production Worker
New Flyer
Winnipeg, MB
- Full-time
Candidates must be able to work any of the following shifts, as production needs may change. Shift preference is assigned by seniority.
Added 2 mins ago
PI
Production - Production Workers and Helpers - Antec Controls
Price Industries
Winnipeg, MB
- Full-time
Manulife Mental Health and Counselling Services - Access confidential mental health and wellness support through the Manulife app, with convenient options to book counselling,…
Added 2 mins ago
MP
Funeral Director, Funeral Services
Mount Pleasant Group
Richmond Hill, ON
- $41.4 to $46.43 CAD / hour
- Full-time
Added 2 mins ago
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Incident response Specialist
Dexian
Barrie, ON
- $100 to $200 CAD / hour
- Contract
Provides responsive customer service in support of cyber security.
Added 2 mins ago
CT
Mechanical Engineer Team Lead (Supervisor)
Cam Tran
Colborne, ON
- Full-time
Lead and support root cause analysis and corrective actions for mechanical design-related issues during production or testing.
Added 2 mins ago
NB
Plant Manager
Northam Beverages
Kamloops, BC
- Full-time
…Kamloops facility. This role ensures the facility achieves its production, quality, service, safety, and financial objectives. The Plant Manager develops and executes operational plans,…
Added 2 mins ago
LC
Student - Process Optimization Intern (4 or 8 months)
Lactalis Canada
Winchester, ON
- Full-time
…configuring and optimizing industrial processes related to powder production. The student works closely with the Production Manager and Technical Manager to take measurements and interpret…
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P
R&D Technician
Puratos
Mississauga, ON
- $63,000 to $70,000 CAD / year
- Full-time
…while keeping our databases and KPIs accurate. You will also support exciting R&D activities such as sensory tests, customer visits and competitive product evaluations, all in full…
Added 2 mins ago
TS
Senior Architectural Technologist
TalentSphere Staffing Solutions
Victoria, BC
- Full-time
Support projects from design development through construction completion and closeout
Added 2 mins ago
TT
Fabrication Operator
TTM Technologies
Toronto, ON
- Full-time
TTM strives to invest in our team members at all levels-starting on your first day. To support the growth and development of new hires, this position is eligible for a 90 Day Evaluation…
Added 17 mins ago
BG
Machine Maintenance Coordinator Intern
BRC Group Inc.
Georgetown, ON
- $41,600 to $45,760 CAD / year
- Other
The Machine Maintenance Coordinator Intern will support the Maintenance and Engineering teams in identifying opportunities to improve production efficiency, optimize machinery performance,…

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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