Toronto, On Modeling & simulation engineer Jobs – 91 Openings This Week

Lead Data Scientist
Techblocks —Vaughan, ON
- Azure
- Doctoral degree
- Engineering
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8d
Embedded Software Test Developer
General Motors —Markham, ON
- $90,900–$136,400 a year
- Full-time
- Computer Science
- Engineering
- C++
- Designated paid holidays
- Dental care
Director, Revenue Management Systems
Porter Airlines Inc. —Toronto, ON
- Full-time
- Doctoral degree
- Master's degree
- Machine learning
Mechanical Nuclear Technical Manager
Worley —Markham, ON
- Engineering
- Project management
- Bachelor's
Engineering/ Wire Rope Product Management Support
UNIROPE —Edmonton, AB
- AutoCAD
- Engineering
- Manufacturing
Senior FP&A Analyst
Behavox —Toronto, ON
- Hybrid work
- Microsoft Excel
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12d

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Follow test methodologies to support new product launch, aligned with organization direction and in collaboration with CI/CD development teams.
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Worley —Markham, ON
Senior level mechanical engineering design and analysis for nuclear projects, ensuring compliance with industry standards and regulatory requirements.

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modeling & simulation engineer jobs near toronto, on

Lead Data Scientist

Techblocks -
Vaughan, ON

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Job details

8 days ago

Qualifications

Azure
Doctoral degree
Applied Mathematics
Engineering
Supply chain
Spark
Logistics
Mathematics
Master's degree
SQL
Presentation skills
Distributed systems
Leadership
Communication skills
Python
Analytics

Full job description

Job Title: Lead Data Scientist

Location: Vaughan, ON

About the Role

We are hiring a Lead Data Scientist to own the technical strategy and hands-on development of large-scale optimization and machine learning systems that drive real operational decisions — routing, scheduling, resource allocation, network design, or forecasting-driven planning. You will lead the design of Mixed-Integer Linear Programming (MILP), Vehicle Routing Problem (VRP), constraint programming, and machine learning solutions that turn complex, high-volume operational problems into scalable, production decision systems.

This is a player-coach position. You will set technical direction and mentor a team of data scientists while staying hands-on in solver design, model architecture, and production deployment. You will partner directly with business, engineering, and executive stakeholders to turn operational challenges into optimization systems that deliver measurable gains in cost, efficiency, and service quality — skills that translate directly across supply chain, logistics, workforce, network, and resource-planning problems.

What You'll Do

Optimization & Model Architecture

Own the technical architecture of large-scale optimization systems built on MILP/MIP, constraint programming, and heuristic/metaheuristic solvers (e.g., Gurobi, CPLEX, OR-Tools).
Design and scale routing, scheduling, resource allocation, and network optimization models that account for real-world constraints such as capacity, time windows, territory or zoning restrictions, and service-level commitments.
Set modeling standards, solver performance benchmarks, and reusable optimization frameworks used across the data science team.
Integrate ML-based forecasting (demand, consumption, ETAs, anomalies) with the optimization engine to move decision-making from reactive to prescriptive.

Technical Leadership & Delivery

Define the architecture for deploying optimization and ML solutions in production on cloud/lakehouse platforms (e.g., Azure, Databricks), including validation, monitoring, and rollback strategy.
Lead design reviews and set the bar for model governance, testing, and code quality across the team.
Partner with Data Engineering to productionize solvers and pipelines at the throughput required for large-scale, recurring optimization runs.

Stakeholder Partnership & Team Leadership

Translate operational priorities from business and operations leaders into a prioritized optimization roadmap.
Present model trade-offs, assumptions, and business impact clearly to executive and non-technical audiences.
Hire, mentor, and grow a team of data scientists and optimization engineers; establish career development, code review, and model review practices.

What You'll Need

Required Qualifications

10+ years of experience in Data Science, Operations Research, Applied Mathematics, Industrial Engineering, or an equivalent quantitative field, including 3+ years leading or mentoring a team.
A proven track record shipping production MILP/MIP or VRP systems that solve real routing, scheduling, resource allocation, or network optimization problems at scale — not only academic or proof-of-concept work.
Expert-level Python and SQL, with hands-on experience using at least one commercial-grade solver (Gurobi, CPLEX) and/or OR-Tools.
Experience combining ML forecasting with optimization (e.g., demand or consumption forecasting feeding a scheduling or planning engine).
Experience deploying and operating models on cloud/lakehouse platforms (Azure, Databricks, or equivalent).
Strong written and verbal communication; comfortable presenting technical trade-offs to executive stakeholders.

Preferred Qualifications

Master's or PhD in Operations Research, Applied Mathematics, Industrial Engineering, Data Science, or a related field.
Experience applying optimization in supply chain, logistics, transportation, manufacturing, retail, or field-operations settings.
Familiarity with simulation, digital twins, reinforcement learning, or prescriptive analytics.
Experience with Spark or distributed computing for large-scale data processing.
Exposure to MLOps and model governance frameworks.

Tools & Technologies

Python •SQL • Gurobi / CPLEX / OR-Tools • Azure • Databricks •MILP / VRP • Spark • MLOps

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modeling & simulation engineer jobs in toronto, on

Lead Data Scientist

Embedded Software Test Developer

Director, Revenue Management Systems

Mechanical Nuclear Technical Manager

Engineering/ Wire Rope Product Management Support

Senior FP&A Analyst

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