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Data Science Intern Jobs in Ontario (NOW HIRING)

CA$49K - CA$51K/yr

We are currently hiring an intern looking for a winter term position, January to April 2027, in our ... This position is responsible for supporting the Data Science team in Analytics and Data Engineering ...

Title and Summary Director, Data Science Overview The Security Solutions Data Science team is responsible for delivering Artificial Intelligence (AI) and Machine Learning (ML) models that support ...

The role: We're looking for a Director, Data Science/ML who will drive CookUnity's next phase of product innovation through forward-looking data science capabilities. This role goes beyond ...

The role: We're looking for a Director, Data Science/ML who will drive CookUnity's next phase of product innovation through forward-looking data science capabilities. This role goes beyond ...

Data Science Expert - AI Evaluation

Toronto, ON ยท Remote

CA$120 - CA$170/hr

Position: Data Science Expert Type: Contract Compensation: $120-$170/hour Location: Remote Role Responsibilities * Design precise, task-specific grading criteria for real-world data science ...

Effectively communicate the analytics approach and data science lifecycle with leadership and business partners. * Advocate and educate on the value of data driven decision making focusing on the ...

The role will be responsible for delivering high quality data science models, and the logistical challenges around improving a profitable service. You'll also be working on a diverse range of supply ...

The role will be responsible for delivering high quality data science models, and the logistical challenges around improving a profitable service. You'll also be working on a diverse range of supply ...

The role will be responsible for delivering high quality data science models, and the logistical challenges around improving a profitable service. You'll also be working on a diverse range of supply ...

The role will be responsible for delivering high quality data science models, and the logistical challenges around improving a profitable service. You'll also be working on a diverse range of supply ...

Lead end-to-end data science projects of moderate scope, from problem framing through analysis and recommendation. * Connect and integrate data across multiple systems to support data-driven and AI ...

Data Scientist

Toronto, ON ยท Hybrid

CA$82K - CA$105K/yr

This is an exciting opportunity to leverage your experience in data science, advanced analytics, or applied machine learning to help solve meaningful business challenges and turn complex data into ...

Data Scientist

Toronto, ON ยท Hybrid

CA$82K - CA$105K/yr

This is an exciting opportunity to leverage your experience in data science, advanced analytics, or applied machine learning to help solve meaningful business challenges and turn complex data into ...

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Data Science Intern information

What does a data science intern do?

A Data Science Intern typically assists with collecting, cleaning, and analyzing data to support business decisions or research. They work under the supervision of experienced data scientists, helping to build and test predictive models, create data visualizations, and present findings. Interns often use programming languages such as Python or R, and tools like SQL, to manipulate data. The role is designed to provide hands-on experience with real-world data science projects and help interns develop technical and analytical skills.

What types of projects can I expect to work on as a data science intern, and how will I collaborate with other team members?

As a Data Science Intern, you can expect to work on a variety of projects such as data cleaning, exploratory data analysis, building predictive models, or assisting with data visualization tasks. You'll often collaborate closely with data scientists, engineers, and sometimes business analysts, participating in team meetings and brainstorming sessions. Interns are usually given clearly defined tasks that contribute to larger projects, allowing you to learn from experienced professionals while making a meaningful impact. Regular check-ins and mentorship are typical, providing you with feedback and professional growth opportunities throughout your internship.

What are the key skills and qualifications needed to thrive as a data science intern, and why are they important?

To thrive as a Data Science Intern, you need a solid grasp of statistics, data analysis, and programming (often in Python or R), typically supported by coursework in computer science, mathematics, or a related field. Familiarity with data visualization tools (like Tableau), machine learning libraries (such as scikit-learn or TensorFlow), and version control systems (like Git) is commonly expected. Strong problem-solving abilities, communication skills, and a willingness to learn help interns collaborate effectively and translate data insights for diverse audiences. These skills and qualities ensure that interns can contribute meaningfully to projects, adapt quickly, and bridge the gap between raw data and actionable business solutions.

Can I get an internship in data science?

Yes, data science internships are available for students and recent graduates interested in gaining practical experience with skills like programming, statistics, and data analysis using tools such as Python or R. Applicants typically need a background in related fields and may be required to complete technical assessments or projects during the application process.

What are the most commonly searched types of Data Science jobs in Ontario?

The most popular types of Data Science jobs in Ontario are:

What are popular job titles related to Data Science Intern jobs in Ontario?

For Data Science Intern jobs in Ontario, the most frequently searched job titles are:

What cities in Ontario are hiring for Data Science Intern jobs?

Cities in Ontario with the most Data Science Intern job openings:

Infographic showing various Data Science Intern job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 14% Part Time, and 3% Contract. Highlights an 84% Physical, 4% Hybrid, and 12% Remote job distribution.

Computer Science Intern

Canadian Strategic Missions Corporation

Waterloo, ON โ€ข On-site, Remote

Internship

Posted 27 days ago


Job description

The Canadian Strategic Missions Corporation is a space anddefencecompany focused on developing dual-use solutions for delivering unmatched capabilities on this planet and others. CSMC is developing a micro nuclear reactor for remote applications likethe arctic,defence, and space exploration. Led by a team with a mix of entrepreneurial and institutional experience at the highest level, we are a bleeding edge company, working at the intersection of energy, geology/geophysics, health technologies, space systems, and imagineering.

We'renotgonnado it alone though, andwe're hiring a Computer Science Intern.Youwill work directly with engineering leads,scientists,andcrossfunctionalproject teams.The position will support activities including but not limited tosoftware development,data analysis, research, preparation of technical presentations, support for design processes,project coordination, technical documentation management, and contributing to internal reports. The role will involvefacetsof project management, documentation, risk tracking, technical research, market awareness, and continuous improvement initiatives.

Main Responsibilities

  • Design, implement, test, andmaintainhigh-reliability software modules for space and defense systems.
  • Develop AI/ML pipelines and advanced data processing algorithms to ingest, clean, and analyze telemetry and sensordata streams.
  • Conduct simulations, testing, anditerative improvements to ensure algorithm robustness and accuracy in, e.g.,diverse geological environments.
  • Coordinate project tasks, timelines, meetings, action items, and cross-functional communication to support smooth project execution.
  • Track progress, dependencies, and risks, and helpidentifypractical mitigation actions.
  • Maintain organized project andtechnical documentation, including design specifications, methodologies, drawings, reports, and project records.
  • Support data analysis, technical reporting, presentations, and continuous improvement activities for internal and external stakeholders.
  • Attend project meetings, take minutes, and follow up on action items to ensuretimelycompletion.
  • Stay updated on the latest developments and advancements in the space/defense industry and related technologies.

Qualifications, Experience,Knowledgeand Skills Essential

  • Currently pursuing a 4th year of Bachelor's or a Master's, or PhDdegree inComputer Science,Science, Engineering, or a related technical field.
  • Strong programming foundations in, e.g., Python, with a demonstrated ability to write clean, efficient, and well-tested code.
  • Demonstrated working knowledge of core computer science principles, such as data structures, algorithms, systems programming, and multithreading.
  • Excellent problem-solving skills with the ability to bridge theoretical science (e.g., physics, signal processing) with practical software implementation.
  • Academic coursework or projects related to project management, technical documentation, data analysis, or reporting areadvantageous.
  • Scientific background is an asset, particularly in geophysics and quantum.
  • Excellent communication and interpersonal skills, including the ability to collaborate effectively withincrossfunctionalteams.
  • Highlydetailoriented, with the ability to manage multiple tasks andmaintainaccuracy in documentation and reporting.

Employment Eligibility

CSMC works with highly sensitive nuclear, defence, and aerospace technologies, and all roles require eligibility for federal security screening and compliance with controlled goods and export regulations. Candidates must be legally authorized to work in Canada, able to obtain and maintain Government of Canada security clearance, and eligible to meet foreign affiliation and export control requirements. These conditions are mandatory Bona Fide Occupational Requirements and reflect the need to securely develop and protect nationally significant capabilities.


CSMC is an equal opportunity employer supporting diversity and inclusion. We want to hear from unique candidates.


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