Ottawa, On Scientist Jobs – 19 Openings This Week

Senior Research Scientist - AI Trainer
DataAnnotation —Ottawa, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Clinical Data Scientist - AI Trainer
DataAnnotation —Nepean, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Scientist
Canadian Security Intelligence Service —Ottawa, ON
- $99,392–$120,917 a year
- Overtime
- Doctoral degree
- Maintenance
- English
9d
Junior Technician, Research
University of Ottawa —Ottawa, ON
- $49,558–$61,948 a year
- Full-time
- Bilingual
- High school diploma or GED
- Data entry
2d
Data Scientist II
Scribd, Inc. —Ottawa, ON
- $118,000–$150,000 a year
- Full-time
- Computer Science
- Master's degree
- SQL
- Disability insurance
- Dental care
Research Assistant
Government of Canada —Ottawa, ON
- $25.17–$38.38 an hour
- Full-time
- Engineering
- Laboratory experience
- English
8d
Scientist (Applied Chemistry)
CBN Nano Technologies —Ottawa, ON
- $90,000–$100,000 a year
- Full-time
- Hybrid work
- Doctoral degree
- English
- Time management
Quick apply
Senior Research Scientist
Medical Council Of Canada —Ottawa, ON
- $130,000–$156,000 a year
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Outlook
Quick apply
Data Scientist
Larus Technologies —Ottawa, ON
- $80,000–$95,000 a year
- Full-time
- Computer science
- Doctoral degree
- System design
- Dental care
- Paid time off
Quick apply
Data Scientist Developer
Moerae Solutions Incorporated —Ottawa, ON
- Contract
- Databases
- SQL
- APIs
Junior Environmental Scientist
AllRock Consulting Limited —Ottawa, ON
- Full-time
- Microsoft Word
- AutoCAD
- Microsoft Outlook
- Disability insurance
- Dental care
Quick apply
Associate Data Scientist, Privacy and De-identification / Scientifique des données associé, confidentialité et désidentification
IQVIA —Ottawa, ON
- $49,700–$82,800 a year
- Full-time
- Computer science
- Doctoral degree
- Computer Science
Staff Data Scientist - AI Trainer
DataAnnotation —Kanata, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Fiber Optic / Photonic Engineer Scientist
OZ Optics Ltd —Ottawa, ON
- Overtime
- Engineering
- English
- Research
- Wellness program
- Disability insurance
Quick apply
Principal Quantum Scientist
Q-Block Computing —Ottawa, ON
- $150,000–$200,000 a year
- Full-time
- Doctoral degree
- Research
- Mentoring
Quick apply
Lead Data Scientist — Growth & Experimentation
Fullscript —Ottawa, ON
- Full-time
- Hybrid work
- SQL
- Team management
- Mentoring
- Paid time off
Quick apply
Senior AI Data Scientist
Biocode Ai —Canada
- Full-time
- Hybrid work
- Master's degree
- SQL
- Bachelor's
- Dental care
- Tuition reimbursement
Quick apply

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Senior Research Scientist - AI Trainer
DataAnnotation —Ottawa, ON
A bachelor's degree in a quantitative field preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); an advanced degree (Master’s or PhD)…
$50.00–$140.56 an hour
Quick apply
Senior Health Research Analyst
Thera-Business Consulting —Kanata, ON
At minimum, a master’s degree in epidemiology, biostatistics, public health, health sciences, statistics, or a related field, or an equivalent combination of…
Quick apply
3d

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Machine Learning Scientist - AI Trainer
DataAnnotation —Whitby, ON
A bachelor's degree in a quantitative field preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); an advanced degree (Master’s or PhD)…
$50.00–$140.56 an hour
Quick apply
Clinical Data Scientist - AI Trainer
DataAnnotation —Newmarket, ON
A bachelor's degree in a quantitative field preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); an advanced degree (Master’s or PhD)…
$50.00–$140.56 an hour
Quick apply

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Senior Research Scientist - AI Trainer

DataAnnotation
Ottawa, ON

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Job details

Contract | Fixed term contract

Benefits

Flexible schedule

Skills

Statistics
Predictive analysis
Statistics
Doctoral degree
Computer Science
Predictive modeling analysis
Writing skills
Engineering
Mathematics
English
Master's degree
Bachelor's
Quantitative modelling analysis
A/B testing
Data science
AI
Performing statistical data analysis

Full job description

DataAnnotation is committed to creating quality AI. Help train AI chatbots while gaining the flexibility of remote work and choosing your own schedule.

We are looking for an existing Senior Research Scientist - AI Trainer to help train AI models. AI models are increasingly capable of performing complex analytical and scientific reasoning — but these systems still need practitioners with real-world quantitative experience to validate whether the outputs actually hold up in practice. That's where you come in.

You'll work closely with state-of-the-art AI models on tasks like evaluating AI-generated quantitative analysis, solving technical problems, and providing feedback that directly shapes how these systems reason about data, models, and scientific problems. Whether your background is in data science, astrophysics, economics, biostatistics, operations research, or any other quantitative field, if you think rigorously about data and models, your skills are directly applicable here. You can fit this work alongside a full-time role, or treat it as your primary focus, choosing projects and schedules that align with your availability and goals.

To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass, you'll receive an email confirmation, and paid work will become available on our platform.

Advantages of contracting with us:

Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.
Flexible schedule: choose which projects you take on and when you work, on your own computer, from the comfort of your own home.
Competitive pay: projects are paid hourly at $50 to $100 USD per hour, with bonus rates available on some projects.
Impact: help shape the future of AI systems built to reason about data and analytics.

Responsibilities:

Evaluate AI-generated quantitative work, including statistical analysis, predictive modeling, scientific reasoning, and data-driven insights, for technical accuracy and real-world validity.
Design and solve quantitative problems used to train and benchmark AI systems, spanning areas like forecasting, experimental analysis, optimization, and statistical inference.
Write clear technical explanations and well-documented analytical code.
Provide feedback that directly shapes the next generation of AI models built for quantitative reasoning.

Qualifications:

3+ years of hands-on experience in a quantitative role or research environment — such as data science, statistics, economics, finance, physics, biology, epidemiology, operations research, or any adjacent field.
Some coding experience required, with comfort writing and reviewing analytical code end-to-end.
Practical experience with statistical methods, predictive modeling, and experiment design (e.g., A/B testing, hypothesis testing, regression, classification, time-series forecasting).
Fluency in English (native or bilingual level) with strong writing skills.
A bachelor's degree in a quantitative field preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); an advanced degree (Master’s or PhD) is a plus.
Relevant credentials are a plus (e.g., Kaggle Competition ranking, AWS/GCP ML certifications, or equivalent demonstrated expertise).

Note: Payment is made via PayPal. We will never ask for any money from you. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand.

Quick apply

Refine Your Search

scientist jobs in ottawa, on

Senior Research Scientist - AI Trainer

Clinical Data Scientist - AI Trainer

Scientist

Junior Technician, Research

Data Scientist II

Research Assistant

Scientist (Applied Chemistry)

Senior Research Scientist

Data Scientist

Data Scientist Developer

Junior Environmental Scientist

Associate Data Scientist, Privacy and De-identification / Scientifique des données associé, confidentialité et désidentification

Staff Data Scientist - AI Trainer

Fiber Optic / Photonic Engineer Scientist

Principal Quantum Scientist

Lead Data Scientist — Growth & Experimentation

Senior AI Data Scientist

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