MCW is currently seeking a Mechanical Designer to join our Toronto office. This role plays a key part in delivering projects of varying size and complexity, with a strong emphasis on plumbing system design within a multidisciplinary environment. This is an excellent opportunity for someone looking to deepen their expertise in plumbing design while continuing to build experience across mechanical building systems. This posting is for an existing vacancy within MCW.

Position: Mechanical Designer

Location: Toronto, Ontario

Salary Range: $75,000 - $95,000

Primary Objective: Responsible for the development and management of assigned project work during all phases, from inception through planning, design and construction, in accordance with the project scope, schedule and budget. Responsible for completing the construction administration for projects including site visits and construction meetings.

Responsibilities: The Responsibilities of this position include but are not limited to the following: Develop and produce drawings and schematics for mechanical systems, including HVAC and fire protection, with a strong focus on plumbing systems

Perform plumbing design calculations, including domestic water, sanitary, and storm system sizing and layouts

Design plumbing systems, including sanitary waste, venting, stormwater, domestic water distribution, and specialty systems (e.g., purified water)

Assist and work with mechanical engineers to develop load calculations, schematics, equipment selection, and system concept report

Design and coordinate medical gas, compressed air, natural gas, and fire protection systems, where applicable

Size, select, and specify plumbing fixtures, piping systems, and associated equipment

Review architectural and structural drawings to ensure coordination and design integration

Assist in the preparation of specifications, contract documents, and system concept reports





Participate in construction administration activities, including site visits, field reviews, and construction meetings on an as needed basis

Review shop drawings and respond to contractor inquiries (RFIs)

Support project planning activities, including schedules, work plans, and coordination with internal teams

Assist in preparing quantity take-offs and construction cost estimates as required

Collaborate with Project Managers to ensure timely and high-quality project delivery

Coordinate with internal disciplines and external stakeholders (architects, consultants)

Provide guidance and support to junior team members as needed

Contribute to continuous improvement of design processes and team efficiency

Help build and maintain strong client relationships Qualifications, Experience and Education: 5–7 years of experience as a Mechanical Designer with a strong focus on plumbing design in a consulting engineering environment

Degree in Mechanical Engineering or related discipline

Solid knowledge of OBC, OPC, NBC, NPC, CSA Z317 and relevant plumbing codes

Experience with plumbing system calculations and pipe sizing (domestic water, storm, sanitary, sprinkler systems)

Proficiency in AutoCAD and Revit

Familiarity with project delivery, coordination, and construction administration

Exposure to cost estimating and project planning is an asset

Actively working toward P.Eng. designation, or a Certified Engineering Technologist (CET) considered an asset Required Skills: Excellent communication skills, both written and verbal

Proven ability to meet deadlines/successful completion of deliverables

Able to effectively communicate both verbally and in writing with all levels of the organization, including executives

High level of sound and independent judgment and reasoning

Excellent time management skills and project management skills

Ability to work under pressure.

Analytical, thorough, resourceful and detail-oriented

Team and customer service-focused

📌 Mechanical Designer (Toronto)
🏢 MCW Consultants
📍 Toronto