Senior Data Scientist

Kelly Services; Southwestern Ontario; On-site; CAD 140,000 - 165,000; Full time

Job summary

Motion Recruitment Partners in Waterloo, Ontario is seeking a Senior Data Scientist to own technical direction for ML systems and analytics. You will apply advanced statistics, design experiments, and guide model evaluation to deliver scalable, production-ready solutions.

You will work closely with data engineers and product teams, mentoring peers and influencing technical decisions in a highly technical environment.

Qualifications

• 5+ years of Data Science or Machine Learning experience.
• Expertise in statistics, experimental design, model evaluation and validation.
• Strong experience with anomaly detection.
• Advanced Python programming skills with object-oriented design experience.

Responsibilities

• Lead development of ML models and production-grade systems.
• Collaborate with cross-functional teams to deploy ML solutions.
• Mentor peers and guide technical decisions.

Skills

Data Science

Machine Learning

Statistical Modeling

Python Programming

Anomaly Detection

Tools

Azure ML

Job description

$140000 - $165000

Located in Waterloo, this full-time Senior Data Scientist opportunity is with an innovative technology organization focused on advanced analytics and machine learning. The team is leveraging Python-based machine learning frameworks, statistical modeling, anomaly detection, clustering, classification, and data quality analysis to solve challenging real-world problems in a highly technical environment.

This is a rare opportunity for a senior-level machine learning professional who wants to own technical direction rather than manage people. The biggest draw of this role is the ability to influence production-grade ML systems that directly impact mission-critical technology solutions. The team is looking for someone who can combine deep statistical expertise with practical machine learning experience to improve model performance, guide technical decisions, and mentor peers. You'll have the chance to work alongside subject matter experts, tackle difficult data science challenges, expand your technical leadership skills, and make a measurable impact while enjoying a collaborative and growth-oriented environment.

Required Skills & Experience

• 5+ years of Data Science or Machine Learning experience

• Expertise in statistics, experimental design, model evaluation and validation

• Strong experience with anomaly detection

• Advance Python programming skills with object-oriented design experience

Desired Skills & Experience

• Knowledge of signal processing

• Experience working with sensor, time-series, or scientific measurement data

• Familiarity with Azure-based machine learning workflows

What You Will Be Doing

Tech Breakdown

• 75% Python/Machine Learning/Statistical Modeling

• 25% Data Engineering, MLOps, and Production Support

Daily Responsibilities

• 80% Hands On

• 5% Management Duties

• 15% Team Collaboration

Current Vacancy: Yes

Use of AI in Hiring: Yes

Applicants must be currently authorized to work in the Canada on a full-time basis now and in the future.

Motion Recruitment Partners (MRP) is an Equal Opportunity Employer. All applicants must be currently authorized to work on a full-time basis in the country for which they are applying, and no sponsorship is currently available. Employment is subject to the successful completion of a pre-employment screening. Accommodation will be provided in all parts of the hiring process as required under MRP’s Employment Accommodation policy. Applicants need to make their needs known in advance.