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Added 6 mins ago
Principal Risk Engineer, Energy & Renewables
Liberty Mutual Canada
Toronto, ON
Full-time
As a Principal Risk Engineer, Energy & Renewables, you'll play a critical role as a trusted advisor to both internal stakeholders and external partners - bringing deep technical insight,…
Added 6 mins ago
Intermediate Structural Engineer - Resources
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Full-time
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Added 6 mins ago
Intermediate Structural Engineer - Resources
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Added 1 hour ago
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Mantecon Partners Inc.

Mechanical Engineer Junior

Hamilton, ON, Canada
Dundas, ON, Canada

Pay: $60,000 to $65,000 CAD / year
Job type: Full-time
Apply by: Oct 29, 2026
Experience: 1–3 years of relevant mechanical engineering experience; previous consulting, co-op, internship, or building systems experience is considered an asset.
Posting language: English
Posted: Sep 29, 2026

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Original job description

Junior Mechanical Engineer

Build Your Engineering Career at Mantecon

At Mantecon Partners, our engineers do more than design buildings - we solve complex challenges, collaborate across disciplines, and help shape the communities and facilities that drive Ontario forward.

Mantecon Partners is a growing multidisciplinary engineering firm providing structural, mechanical, process, electrical, and civil engineering services across Ontario. Our team delivers practical solutions, technical excellence, and exceptional client service across industrial, commercial, institutional, healthcare, and manufacturing projects.

We are seeking a Junior Mechanical Engineer to join our Mechanical Engineering team. This is an excellent opportunity for an early-career engineer who is eager to develop their technical skills, gain hands-on project experience, and work alongside experienced engineers and multidisciplinary project teams.

Reporting to senior members of the Mechanical Engineering team, you will support the design and delivery of mechanical building systems while developing your knowledge of engineering standards, codes, construction practices, and project delivery.

The Opportunity

As a Junior Mechanical Engineer, you will contribute to a variety of industrial, institutional, healthcare, commercial, and manufacturing projects.

You will work closely with senior engineers, designers, architects, contractors, and other engineering disciplines to support projects from conceptual design through construction.

This position is well suited to someone who is technically curious, detail-oriented, comfortable asking questions, and motivated to build a strong foundation for a long-term career in mechanical engineering.

What You’ll Do

Mechanical Design & Engineering

Assist with the design of HVAC, plumbing, fire protection, medical gas, and other mechanical building systems.
Perform engineering calculations, equipment selections, sizing, and technical analysis under the guidance of senior engineers.
Prepare and update mechanical drawings, schematics, specifications, schedules, and other project documentation.
Develop mechanical models and drawings using Revit MEP and AutoCAD.
Assist with heating and cooling load calculations and other mechanical system calculations.
Research equipment, materials, codes, standards, and technical requirements.
Support the development of practical engineering solutions that consider performance, constructability, sustainability, and client requirements.
Apply applicable codes and standards, including the Ontario Building Code, ASHRAE, NFPA, CSA, and other project-specific requirements. These are the primary standards identified in Mantecon's senior mechanical role. New Senior Mechanical Engineer …

Project & Construction Support

Work collaboratively with mechanical engineers, designers, and multidisciplinary project teams.
Assist with project coordination to identify and resolve design conflicts.
Participate in site investigations, field reviews, measurements, and existing-condition assessments.
Assist with construction administration activities, including reviewing shop drawings, RFIs, contractor inquiries, and other construction documentation under the direction of senior staff.
Attend project and coordination meetings as required.
Assist with preparing field review reports and documenting construction progress.
Support project documentation and deliverables to help ensure work is completed accurately and on schedule.

Professional Development

Work closely with senior engineers and technical leaders to develop mechanical engineering knowledge and practical design skills.
Incorporate feedback from senior staff and participate in internal quality assurance and quality control processes.
Develop an understanding of the complete project lifecycle, from conceptual design through construction and commissioning.
Build knowledge of multidisciplinary engineering coordination and consulting practices.
Work toward increasing levels of technical responsibility and project ownership as experience develops.
Maintain knowledge of emerging technologies, industry standards, and engineering best practices.

Who Thrives at Mantecon?

The successful candidate will be someone who:

Is curious and eager to learn.
Enjoys solving technical problems and understanding how building systems work.
Pays close attention to detail and takes pride in producing accurate work.
Works well collaboratively and is comfortable receiving direction and feedback.
Communicates professionally with colleagues, clients, contractors, and project stakeholders.
Takes initiative while recognizing when to seek guidance from more experienced team members.
Is interested in developing a long-term career in consulting engineering.

What You’ll Bring

Bachelor’s Degree in Mechanical Engineering from an accredited university.
Registered or eligible to register as an Engineer-in-Training (EIT) with Professional Engineers Ontario (PEO).
1–3 years of relevant mechanical engineering experience; previous consulting, co-op, internship, or building systems experience is considered an asset.
Basic understanding of HVAC, plumbing, fire protection, and mechanical building systems.
Familiarity with the Ontario Building Code and relevant mechanical engineering codes and standards is considered an asset.
Experience with Revit MEP and AutoCAD is strongly preferred.
Proficiency with Microsoft Office.
Strong analytical and problem-solving abilities.
Strong written and verbal communication skills.
Excellent organizational skills and attention to detail.
Ability to work effectively both independently and as part of a multidisciplinary team.
Valid Ontario Driver’s Licence and ability to travel to project sites as required.

Ready to Build Your Engineering Career?

If you are looking for an opportunity to develop your technical skills, gain meaningful project experience, and learn from experienced engineering professionals, we’d like to hear from you.

Join Mantecon Partners and build the foundation for a rewarding career while contributing to engineering solutions that shape Ontario’s future.

Mantecon Partners is committed to providing accommodations throughout the recruitment process in accordance with applicable legislation. Accommodations are available upon request for candidates participating in all aspects of the selection process.

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More about this job

Responsibilities

Support the design and documentation of mechanical building systems, including HVAC, plumbing, fire protection, and medical gas, using engineering calculations and tools such as Revit MEP and AutoCAD. Assist with project coordination, site reviews, construction administration, and quality processes while working under the guidance of senior engineers.

Requirements

Requires a bachelor’s degree in Mechanical Engineering and registration or eligibility to register as an Engineer-in-Training with Professional Engineers Ontario. Candidates should have 1–3 years of relevant experience, basic knowledge of mechanical building systems, preferably Revit MEP and AutoCAD experience, strong analytical and communication skills, and a valid Ontario driver’s licence.

Skills

Mechanical Design
HVAC Systems
Plumbing Systems
Fire Protection Systems
Medical Gas Systems
Engineering Calculations
Equipment Selection
Revit MEP
AutoCAD
Heating And Cooling Load Calculations
Ontario Building Code
ASHRAE Standards
NFPA Standards
CSA Standards
Construction Administration
Multidisciplinary Coordination

Visa sponsorship

Not detected in the job text

Keywords

Mechanical Engineering
Mechanical Building Systems
HVAC
Plumbing
Fire Protection
Medical Gas
Revit MEP
AutoCAD
Engineering Calculations
Equipment Selection
Heating And Cooling Loads
Ontario Building Code
ASHRAE
NFPA
CSA
Construction Administration
Shop Drawings
Requests For Information
Site Investigations
Field Reviews
Quality Assurance
Quality Control
Commissioning
Multidisciplinary Coordination
Consulting Engineering
Engineer-in-Training
Professional Engineers Ontario
Microsoft Office
Project Documentation
Construction Practices

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