columbus junior mechanical Jobs – 12 Openings This Week

Senior Mechanical Engineer, Building Systems/HVAC
MAT 4Site Engineers Ltd. —Ontario
- $120,000–$140,000 a year
- Full-time
- AutoCAD
- Engineering
- Microsoft Office
- Tuition reimbursement
- Flexible schedule
13d
313A HVAC Technician
TEAM GROUP OF COMPANIES —Oshawa, ON
- $48.55 an hour
- Overtime
- Schematics
- HVAC
- Dental care
Quick apply
Mech and Robotics Tech
CAN ASA-Jones Lang LaSalle Real Estate Services, Inc. —Whitby, ON
- $58,240–$58,760 a year
- Weekends as needed
- Maintenance
- High school diploma or GED
- Electrical experience
Quick apply
16h
Jr. Project Coordinator Co-op (8-12 months) - Fall 2026
Kiewit Corporation —Darlington, ON
- $20–$25 an hour
- Temporary
- Microsoft Excel
- Engineering
- SharePoint
- Dental care
- Paid time off
Co-op, Jr. Project Coordinator Co-op, Jr. Project Coordinator Business Support Services Bowmanville, ON, CA May 27, 2026
Aecon Group —Bowmanville, ON
- $23–$28 an hour
- Microsoft Excel
- Engineering
- SharePoint
7d
CRUSHER MILLWRIGHT
J.R. Weldon & Sons Ent. Inc. —Uxbridge, ON
- $40–$50 an hour
- Full-time
- Schematics
- Customer service
- Maintenance
Quick apply
6d
Electrical Project Engineer - Buildings
CIMA+ —Bowmanville, ON
- $81,760–$112,420 a year
- Full-time
- Hybrid work
- AutoCAD
- Employee assistance program
- Flexible schedule
Quick apply
Avionics Lead Hand
Coulson Aviation —Canada
- Full-time
- Maintenance
- In-person
- Hand tools
Quick apply
5d

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Senior Mechanical Engineer, Building Systems/HVAC

MAT 4Site Engineers Ltd.
Ontario

Apply Now

Job details

Full-time
$120,000–$140,000 a year
13 days ago

Qualifications

AutoCAD
Mechanical engineering
Engineering
Mechanical Engineering
Microsoft Office
Revit
Bachelor's
Plumbing
HVAC
Communication skills
Mechanical knowledge
Driving Licence
Time management

Full job description

Contribute to the company’s growth while honing your skills
Join a team dedicated to creating a positive impact in the community
Enjoy a competitive salary of $120k-$140k, comprehensive benefits, and a supportive work environment!

About MAT 4Site Engineers Ltd.

MAT 4Site Engineers is a privately owned company located in the heart of the GTA that specializes in the design and engineering of building systems. Beginning with mechanical services, MAT 4Site Engineers has expanded to provide complete building services including electrical, energy modeling, communications, IT, and commissioning services. Since being established in 2004, our goal at the time was to help our clients create their Best Buildings – buildings that were best suited for our clients’ needs. Our commitment to this goal has never wavered.

At MAT 4Site Engineers, we pride ourselves on hiring only the best and the brightest. We have a dynamic team and a teamwork-based environment. We ensure that you will always be well compensated for your valuable time and effort - we want you for the long term and we want you to be at your best.

For more information, please visit our website.

About the Opportunity

Currently, MAT 4Site has an exciting opportunity for a Senior Mechanical Engineer to join our team in Toronto (North York), ON on a full-time basis. This role will operate on a hybrid basis of in-office/on-site and work from home.

This role is responsible for leading the design and delivery of mechanical building systems while managing assigned projects from concept through completion. This position plays a key role in coordinating with clients and project stakeholders, ensuring high-quality engineering deliverables, and mentoring junior designers to support successful project outcomes.

More specifically, your responsibilities include but are not limited to:

Leading the design and delivery of mechanical building systems for commercial, multi-residential, and institutional projects
Managing project assignments including scope, schedules, milestones, and client coordination
Preparing and reviewing conceptual and detailed mechanical system designs
Performing site investigations, field reviews, and attending project meetings with clients and contractors
Developing and reviewing AutoCAD drawings and BIM models using Revit
Designing and reviewing HVAC systems including load calculations, equipment sizing, and system layouts
Designing and reviewing plumbing, drainage, fuel/gas, and fire protection systems
Preparing energy models and conducting system performance analyses for building projects
Preparing technical specifications, engineering reports, feasibility studies, and lifecycle analyses
Coordinating with clients, contractors, consultants, and local utilities throughout project execution
Reviewing designs for compliance with applicable building codes, standards, and quality requirements
Mentoring junior designers, assigning tasks, and providing technical guidance

More About You

To qualify, you will need a Bachelor’s degree in Mechanical Engineering and a P.Eng. designation with Professional Engineers Ontario (PEO). A minimum of 8 years of experience in mechanical engineering within a consulting environment, specifically focused on building systems, will also be essential. A valid driver’s license and access to a reliable vehicle will also be required in order to travel to project sites.

Additionally, the following skills and background will be highly valued:

Experience leading the design and delivery of mechanical building systems for commercial, multi-residential, industrial, and institutional facilities
Strong proficiency with AutoCAD, Revit (BIM), and the MS Office Suite
Proficiency with Carrier HAP, Trane Trace, eQUEST, IES/IESVE, or EnergyPlus
Demonstrated expertise in HVAC design, load calculations, and mechanical equipment sizing
Experience designing and reviewing plumbing, drainage, fuel/gas, and fire protection systems
Experience preparing energy models and performing system performance analysis for buildings
Ability to prepare technical specifications, engineering reports, feasibility studies, and lifecycle analyses

As our ideal candidate, you will possess strong leadership, communication, and collaboration skills that enable you to effectively mentor junior designers and coordinate with multidisciplinary project teams. You will also bring strong time management, organizational, attention to detail, and problem-solving abilities that allow you to manage competing priorities while ensuring project milestones and quality standards are consistently met.

This is an exciting opportunity for a technically skilled and proactive engineering professional who thrives in a collaborative consulting environment and is passionate about delivering high-quality building system designs while supporting the growth and development of their team.

About the Benefits

The successful candidate will be rewarded with a competitive salary of $120k-$140k, evaluated based on skills and experience. You'll also be entitled to a benefits package that includes:

Full medical benefits with 100% coverage
Health-Based Rewards Program
Annual bonuses tied to company and individual performance
Additional time off over the holidays in addition to standard vacation
A flexible schedule and casual dress code
Yearly compensation review
Half-day Fridays
Paid travel expenses and allowances
Regular gatherings for staff such as our holiday party, summer party, social committee events, lunches, and more
First-Class On-Boarding
Excellent training and development opportunities through educational assistance, professional development, and both on and off-the-job training
The opportunity to expand your knowledge and experience by working on a wide variety of projects

Don't miss out on this opportunity to join a growing, dynamic company - apply today!

Apply Now

Refine Your Search

junior mechanical jobs in columbus

Senior Mechanical Engineer, Building Systems/HVAC

313A HVAC Technician

Mech and Robotics Tech

Jr. Project Coordinator Co-op (8-12 months) - Fall 2026

Co-op, Jr. Project Coordinator Co-op, Jr. Project Coordinator Business Support Services Bowmanville, ON, CA May 27, 2026

CRUSHER MILLWRIGHT

Electrical Project Engineer - Buildings

Avionics Lead Hand

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About MAT 4Site Engineers Ltd.

About the Opportunity

More About You

About the Benefits

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