Ontario Mechanical engineer internship summer Jobs – 28 Openings This Week

Mechanical Engineering Intern (Fall 2026)
Salas O'Brien Canada Inc. —Toronto, ON
- Engineering
- Master's degree
- Bachelor's
Internship, Mechanical Engineer, Cell Engineering (Spring 2027)
Tesla —Markham, ON
- $20–$50 an hour
- Part-time
- Schematics
- Engineering
- Research
- Designated paid holidays
- Dental care
9d
Mechanical Engineering Coop - Starting Fall 2026
BBA —Toronto, ON
- $23–$29 an hour
- English
- Microsoft Office
- Databases
- Flexible schedule
Mechanical Engineer Intern - Fall
CRB —Toronto, ON
- Hybrid work
- Microsoft Outlook
- Engineering
- Data analysis skills
Quick apply
Intern, Mechanical Engineering - Winter 2027
WSP —Thornhill, ON
- $21.50–$30.25 an hour
- AutoCAD
- System design
- HVAC
7d
Mechanical Engineer Intern (Starting Summer 2027)
Dennis Group Canada —Mississauga, ON
- Engineering
- System design
- Research
- Profit sharing
- Disability insurance
Quick apply
12d
Mechanical Engineering Student
MCW Group of Companies —Toronto, ON
- Full-time
- Microsoft Excel
- Microsoft Outlook
- System design
- Dental care
Internship, Mechanical Design Engineer, Cell Engineering (Fall 2026)
Tesla —Richmond Hill, ON
- $20–$50 an hour
- Part-time
- Engineering
- Microsoft Office
- Communication skills
- Designated paid holidays
- Dental care
9d
Intern - Mechanical Engineer
Human Computer Lab —Toronto, ON
- Hybrid work
- Engineering
- Machine learning
- Electrical Engineering
Quick apply
Mechanical Engineering Intern (Energy/Power) - Summer 2027
Jacobs —Toronto, ON
- $45,000–$72,800 a year
- Hybrid work
- AutoCAD
- Engineering
- Internship / Co-op
4h
Engineering Intern
TÜV SÜD —Newmarket, ON
- $22–$23 an hour
- Temporary
- Microsoft Powerpoint
- Microsoft Word
- Engineering
7d
Mechanical Engineering/Mechanical Engineering Technology Student - Fall
AtkinsRéalis —Mississauga, ON
- Full-time
- Hybrid work
- Microsoft Powerpoint
- Microsoft Word
- AutoCAD
Electro-Mechanical Engineering Intern (Fall 2026, 16 months)
Hitachi —Toronto, ON
- $23–$30 an hour
- Full-time
- Hybrid work
- Schematics
- Engineering
- Data analysis skills
Mechanical Design Co-op (8 Months, September 2026)
Ciena —Ottawa, ON
- $25.50–$35.00 an hour
- Full-time
- Engineering
- Analysis skills
- Bachelor's
- Employee assistance program
- Paid sick leave
Electro-Mechanical Engineering Intern (Fall 2026, 16 months)
Hitachi Rail —Toronto, ON
- $23–$30 an hour
- Full-time
- Hybrid work
- Schematics
- Engineering
- Data analysis skills
Mechanical & Mechatronics Engineering Intern / Co-op Student
Quickmill Inc —Peterborough, ON
- $19–$24 an hour
- Full-time
- No experience needed
- Programmable logic controllers
- Continuous improvement
- Profit sharing
- Dental care
Quick apply
Mechatronics Engineering Intern
PheedLoop Inc. —Toronto, ON
- Computer Science
- Engineering
- Bachelor's
Quick apply
Co-Op Mechatronics Engineer
Gastronomous Technologies Inc. —Oakville, ON
- Internship / Co-op
Quick apply
Mechanical Designer (Co-op/Intern)
Lumentum —Ottawa, ON
- $24–$35 an hour
- Full-time
- Engineering
- Bachelor's
- Manufacturing
4d
Mechanical Intern
ZTR —London, ON
- Contract
- Microsoft Excel
- Hand tools
- Communication skills
Quick apply

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mechanical engineer internship summer jobs near ontario

Mechanical Engineering Intern (Fall 2026)

Salas O'Brien Canada Inc.
Toronto, ON

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Job details

Permanent

Qualifications

CAD software
Engineering
Mechanical Engineering
Master's degree
Revit
Bachelor's
Electrical Engineering
Robotics
Communication skills

Full job description

Mechanical/Electrical Internship

At Salas O’Brien we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.

Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career—and they’ll receive great total rewards along the way.

About Us:

Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow’s requirements are today’s opportunities, and we are here to design lasting solutions for pressing challenges.

We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more.

Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.

Responsibilities

Joining our team as a Mechanical Engineering Intern offers a unique opportunity to gain practical experience, expand your skills, and make meaningful contributions to impactful projects within Salas O’Brien. We are committed to providing a supportive and enriching environment where interns can thrive and develop their talents. If you are ready to embark on a rewarding journey and learn from industry experts, we encourage you to apply and become part of our dynamic team.

Qualifications:

Currently enrolled in a Bachelor's or Master's degree program in Mechanical Engineering or at a Community College studying a related field.
Genuine passion for the AEC industry and eagerness to learn and contribute to meaningful projects.
Strong communication skills and the ability to work effectively in a collaborative team environment.
Experience in CAD software (e.g., AutoCAD, Revit) and familiarity with engineering analysis tools is advantageous.
Ability to adapt to changing priorities and work tasks, with a willingness to perform duties onsite or at project locations as required.
Prior internship or co-op experience in the AEC industry is a plus but not required.

Equal Opportunity Employment Statement

Salas O’Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, colour, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O’Brien will accommodate the disability-related needs of applicants as required by law.

Experience

Required

Currently enrolled in a Bachelor's or Master's degree program in Mechanical or Electrical Engineering or at a Community College studying a related field.

Education

Preferred

Masters or better in Electrical Engineering or related field
Bachelors or better in Electrical Engineering or related field
Masters or better in Mechanical Engineering or related field
Bachelors or better in Mechanical Engineering or related field

Apply Now

Refine Your Search

mechanical engineer internship summer jobs in ontario

Mechanical Engineering Intern (Fall 2026)

Internship, Mechanical Engineer, Cell Engineering (Spring 2027)

Mechanical Engineering Coop - Starting Fall 2026

Mechanical Engineer Intern - Fall

Intern, Mechanical Engineering - Winter 2027

Mechanical Engineer Intern (Starting Summer 2027)

Mechanical Engineering Student

Internship, Mechanical Design Engineer, Cell Engineering (Fall 2026)

Intern - Mechanical Engineer

Mechanical Engineering Intern (Energy/Power) - Summer 2027

Engineering Intern

Mechanical Engineering/Mechanical Engineering Technology Student - Fall

Electro-Mechanical Engineering Intern (Fall 2026, 16 months)

Mechanical Design Co-op (8 Months, September 2026)

Electro-Mechanical Engineering Intern (Fall 2026, 16 months)

Mechanical & Mechatronics Engineering Intern / Co-op Student

Mechatronics Engineering Intern

Co-Op Mechatronics Engineer

Mechanical Designer (Co-op/Intern)

Mechanical Intern

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