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The Mechanical Discipline Lead acts as a subject matter expert on major and specific projects across Canada. Their involvement spans both development phases (Pre-Construction and Tendering) and execution phases.
During the Pre-Construction phase, the Discipline Lead contributes to the design strategy related to the mechanical discipline within the design or bid management team. They actively participate in concept development with the consultant and the specialized subcontractor (if selected), and help strengthen the synergy between design and construction teams by collaborating with or leading the team to ensure that the design and its costs are optimized according to client requirements and remain compliant. Among other responsibilities, this role:

• Collaborates with or leads the design development strategy related to the discipline, within the design management team led by the Design Manager;
• Is typically assigned to review drawings and specifications based on the expected level of detail and client requirements;
• Maintains close ties with the estimating team regarding mechanical discipline work to ensure the specialized subcontractor’s pricing is valid.

After contract award, the Discipline Lead continues to be involved as needed, based on an agreed scope of work, until the design is fully completed, ensuring that guidelines and concepts are respected and implemented. The scope of work may include:

• Reviewing drawings and specifications based on the expected level of detail and client requirements;
• Reviewing tenders for specialized mechanical subcontractors (HVAC, Fire Protection, Plumbing, Controls, etc.) and analyzing received bids;
• Providing support for factory and site testing as well as equipment commissioning.

Additionally, during the execution phase, the Discipline Lead’s technical input may be required from time to time on various types of projects—whether in design or construction—to help resolve constructability issues or deficiencies that may arise on projects involving Pomerleau.

What you will do

Design Development During the Proposal Phase :

• Thoroughly review all documents provided by the client during the proposal phase related to the discipline.
• Verify the scope of services of the consultant responsible for the discipline’s design (the “Consultant”) and identify any ambiguities or gaps in the required services.
• From the outset, establish the design strategy and guidelines for the discipline in collaboration with the Consultant.
• Participate in discussions regarding the procurement strategy defined by the construction team for executing the discipline-related work.
• Develop, in collaboration with the Consultant and the discipline-related subcontractor (the “Specialized Subcontractor”), if selected, effective concepts and alternative solutions that comply with client requirements.
• During the design development process, optimize the design within the established objectives to ensure constructability, identify discrepancies between design and construction, and assist in resolving them.
• Attend design meetings as needed with the project’s design team.
• Lead discipline-specific meetings with the Consultant and the Specialized Subcontractor.
• Collaborate with the Design Manager assigned to the project and keep them informed of developments with the Consultant.
• Review and comment on the compliance matrix for the discipline.
• Ensure communication and information exchange between the Consultant and the construction team, particularly with the Specialized Subcontractor involved in the discipline.
• Actively participate in the estimating process to develop the most efficient solutions.
• Assist the estimating team in preparing the project budget by clarifying design intent and facilitating the selection of alternative components when necessary.
• If required, participate in design sessions with the client and clarify technical questions, including through Requests for Information (RFIs).
• Develop and implement design review procedures to ensure quality and compliance with client requirements and applicable standards.
• Participate in risk identification and mitigation measures related to the discipline.
• Review and validate the compliance of drawings and technical documents prior to their official release.

Project Implementation :

• Once the contract is signed, maintain design-related responsibilities and collaborate with the design team until the design is completed, ensuring a timely transition with the design and/or construction team.
• Participate in negotiations with the specialized subcontractor regarding their contract and pricing.
• Carry out any tasks agreed upon with the Project Director related to construction and commissioning, including factory and site testing.

This role could be for you if you have

• Hold a Bachelor's degree in Mechanical Engineering. A specialized Master’s degree in a building-related discipline is highly desirable.
• Be a member of a professional regulatory body (e.g., OIQ, PEO).
• ASHRAE or AEE membership is considered an asset.
• Have at least 15 years of professional experience, including a minimum of 10 years in a design role within the discipline.
• Be recognized as a specialist/expert in the field.
• Have experience in construction projects—particularly those involving complex mechanical systems, sophisticated technologies, or critical environmental challenges—delivered through alternative project delivery methods such as Design-Build, Public-Private Partnerships (PPP), or other contractual models.
• Have experience in concept development and working with multidisciplinary teams.
• Experience in both design (consulting firms) and construction (general or specialized contractors) is an asset.
• Experience in energy efficiency is an asset.
• Demonstrate initiative, innovation, discipline, and leadership in planning and concept development.
• Be familiar with BIM-VDC models (Building Information Modeling / Virtual Design and Construction).
• Possess strong analytical skills, the ability to synthesize information, sound judgment, and excellent interpersonal communication skills.
• Collaborate effectively with all team members, partners, and clients.
• Be comfortable working in fast-paced and high-pressure environments.
• Have a solution-oriented mindset and the ability to mobilize teams.

• RRSP with up to 5% employer matching

• Hybrid work model for corporate roles
• Employee stock ownership program
• Career growth through real development opportunities
• Transit pass reimbursement — get to work for free
• Minimum 4 weeks of vacation from day one


For the past four years, we've proudly held the distinction of being one of Canada's Top 100 Employers.

Pomerleau is a national leader in construction, delivering major projects across Canada. We believe in creating a workplace where people feel respected, supported, and empowered to grow. Our culture is built on collaboration, trust, and a shared commitment to doing great work. If this speaks to you, apply for this role or connect with one of our recruiters to learn how we can support you throughout the process.