Mechanical Engineer

Colonial Group; Kitchener; On-site; CAD 110,000 - 140,000; Full time

Job summary

Colonial Group seeks a Senior Mechanical Engineer to lead design, engineering, and oversight of building mechanical systems in Southwestern Ontario. Based in Kitchener, you will collaborate with the Toronto team to deliver projects and expand regional market presence.

You will mentor junior staff, develop client relationships, and drive proposals and fee negotiations while ensuring compliance with codes and client requirements.

Qualifications

• Must hold a P.Eng. designation in Ontario.
• 5+ years of experience in building mechanical engineering consulting.
• Strong expertise in HVAC, plumbing, hydronic, central plant, and energy-efficient building systems.
• Experience leading multidisciplinary projects.
• Established Southwestern Ontario professional network.
• Ability to develop client relationships and identify business opportunities.
• Experience with institutional, healthcare, commercial, industrial, or public-sector clients.
• Proficient with Revit and AutoCAD.
• Strong communication, leadership, and collaboration skills.

Responsibilities

• Lead the design, engineering, and technical oversight of building mechanical systems throughout the project lifecycle.
• Design and prepare documentation for HVAC, plumbing, hydronic, fire protection, and related systems.
• Provide technical leadership, risk-management support, and direction to project managers and teams.
• Coordinate with architectural, structural, electrical, and specialty disciplines.
• Support project planning, budgets, schedules, quality control, site reviews, construction administration, RFIs, shop drawings, and commissioning.
• Ensure all work complies with applicable codes, standards, and client requirements.
• Build client and industry relationships, identify opportunities, and support proposals, presentations, interviews, and fee negotiations across Southwestern Ontario.
• Partner with regional leadership to grow the Southwestern Ontario market and strengthen the firm’s local presence.
• Mentor junior staff, share technical expertise, and foster a collaborative, entrepreneurial, client-focused culture.

Skills

Leadership

Communication

Client relations

Collaboration

Project management

Entrepreneurial mindset

Education

Bachelor's degree in mechanical engineering

P.Eng. designation in Ontario

Tools

Revit

AutoCAD

Job description

The opportunity

As part of our continued growth in Ontario, we are seeking a Senior Mechanical Engineer to help establish and expand our presence across Southwestern Ontario. Based out of our Kitchener office, this is a unique opportunity for an entrepreneurial engineering professional who combines strong technical expertise with an established local network and a passion for building client relationships. Working closely with our Toronto team, you will play a key role in both project delivery and regional market development, helping to grow our presence and reputation throughout Southwestern Ontario.

Your daily impact

• Lead the design, engineering, and technical oversight of building mechanical systems throughout the project lifecycle.
• Design and prepare documentation for HVAC, plumbing, hydronic, fire protection, and related systems.
• Provide technical leadership, risk-management support, and direction to project managers and teams.
• Coordinate with architectural, structural, electrical, and specialty disciplines.
• Support project planning, budgets, schedules, quality control, site reviews, construction administration, RFIs, shop drawings, and commissioning.
• Ensure all work complies with applicable codes, standards, and client requirements.
• Build client and industry relationships, identify opportunities, and support proposals, presentations, interviews, and fee negotiations across Southwestern Ontario.
• Partner with regional leadership to grow the Southwestern Ontario market and strengthen the firm’s local presence.
• Mentor junior staff, share technical expertise, and foster a collaborative, entrepreneurial, client-focused culture.

Your profile

• Bachelor’s degree in mechanical engineering.
• Professional Engineer (P.Eng.) designation in Ontario.
• 5 + years of experience in building mechanical engineering consulting.
• Strong expertise in HVAC, plumbing, hydronic, central plant, and energy-efficient building systems.
• Proven experience leading multidisciplinary projects.
• Established professional network within Southwestern Ontario.
• Demonstrated ability to develop client relationships and identify business opportunities.
• Experience working with institutional, healthcare, commercial, industrial, or public-sector clients.
• Proficiency with Revit, AutoCAD, and industry-standard engineering software.
• Excellent communication, leadership, and collaboration skills.