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Computer Science Intern Jobs in Ontario (NOW HIRING)

Overview of Intern Quant Researcher Position: * Research and implement strategies within the firm ... Research, Computer Science and Physics. * Programming proficiency with at least one major ...

Trend Micro Research is seeking a Malware Research Intern to join our industry-leading research ... Currently enrolled in a post-secondary program in Computer Science, Computer Engineering ...

CA$49K - CA$51K/yr

We are currently hiring an intern looking for a winter term position, January to April 2027, in our ... Currently enrolled in a post-secondary program in Data Science, Computer Science, Management ...

Intern Orientation * Online Onboarding Curriculum * Buddy Program for mentorship and guidance Hands ... Required Skills and Experience The ideal candidate will be: * 4th or 5th year in a Computer Science ...

Information Security Intern Department: Information Technology Location: 6300 Steeles Ave West ... Computer Science, or a related field. * Basic understanding of information security principles and ...

Your role DN Capital is looking for an Intern for our investment team in the London/Berlin offices ... In your second year of studies or further (Business, Finance, Computer Science, Engineering)

Competition # 10004 Job Title Event Fundraising Intern Department Health Sciences North Foundation ... Basic computer skills, including email, word processing, and spreadsheets * Strong organizational ...

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Computer Science Intern information

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$11

$19

$30

How much do computer science intern jobs pay per hour?

As of Aug 28, 2026, the average hourly pay for computer science intern in Ontario is $19.34, according to ZipRecruiter salary data. Most workers in this role earn between $14.90 and $23.80 per hour, depending on experience, location, and employer.

What is a computer science intern?

A Computer Science Intern is a temporary position where students or recent graduates gain hands-on experience in software development, data analysis, cybersecurity, or other computing fields. Interns typically assist with coding, debugging, research, and testing while working under the guidance of experienced professionals. This role helps build technical skills, industry knowledge, and networking opportunities, preparing interns for full-time positions in the tech industry.

What kind of projects and tasks can I expect as a computer science intern?

As a Computer Science Intern, you can expect to work on a variety of tasks such as writing and testing code, debugging software, supporting ongoing development projects, and collaborating on team-based assignments. Interns often contribute to designing features, fixing bugs, conducting research, or assisting in quality assurance under the guidance of senior engineers or mentors. The exact nature of your projects may vary based on the company and team, but you will typically gain hands-on experience with real-world software development tools and workflows. This exposure not only builds your technical skills but also helps you understand agile work environments and best practices, making it a valuable step toward a full-time role in the field.

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

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

What job categories do people searching Computer Science Intern jobs in Ontario look for?

The top searched job categories for Computer Science Intern jobs in Ontario are:

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

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

Infographic showing various Computer Science Intern job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 76% Full Time, 20% Part Time, 2% Contract, and 1% Nights. Highlights an 76% Physical, 2% Hybrid, and 22% Remote job distribution, with an average salary of $40,235 per year, or $19.3 per hour.

Computer Science Intern

Waterloo, ON • On-site, Remote

Internship

This job post has expired 1 day ago. Applications are no longer accepted.


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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