Principal Mechanical Engineer

At Mott MacDonald, we trust our brilliant people to do brilliant things in engineering, management, and development services, supporting multisector project work in over 150 countries. As one of the largest employee-owned companies in the world, we pride ourselves on our ability to deliver exceptional outcomes through our network of 20,000+ talented consultants. With sustainability and innovation at the heart of all our sectors in North America, including, Buildings, Energy, Transportation, and Water.

We believe in empowering our people to excel, learn, and grow, offering diverse opportunities to contribute to career-defining work. Join us and be part of a collaborative environment where your ambitions are united with ours, and you can truly shape your story.

If you share that vision, even if you don’t meet every requirement listed, we’d still love to hear from you. We value potential and diverse perspectives as much as experience. Let’s explore how we can support your growth and help you take the next step in your career, while contributing to an exciting new chapter for Mott MacDonald in North America.

We are seeking a qualified and enthusiastic Mechanical Engineering Lead to join our successful Built Environment team in Toronto. The role provides the opportunity to work on an exciting range of projects in both private and public sector, including major framework & infrastructure developments. The role will be challenging, varied and offer opportunities for skills development and career development.

As a successful candidate, you will have a strong background and proficiency in Mechanical Engineering design and good all-around technical competencies. In addition to understanding building services and other core construction disciplines like civil, architectural and structural.

As a Principal Mechanical Engineer, you will typically be responsible for:

• Prepare and review project documentation, including basis of design, technical specifications, procurement specifications, assessment reports, and survey reports, each tailored to the appropriate project stage and covering all aspects of mechanical services
• Conduct detailed surveys of mechanical systems and equipment to assess existing installations and gather data necessary for recommending new or upgraded design solutions
• Produce and review mechanical design drawings and detailed calculations for systems such as HVAC, water supply, and drainage
• Develop accurate fee estimates for project work elements
• Provide expert advice on energy consumption and utilization, including recommendations to enhance energy efficiency and sustainability
• Oversee design and project management of building services components, ensuring delivery within agreed timelines and quality standards
• Ensure adherence to Construction (Design and Management) Regulations, current legislation, and all applicable engineering standards throughout project execution
• Develop resourcing plans for projects and manage team utilization effectively across the mechanical engineering group
• Work closely with discipline leads and the Built Environment Lead to shape team strategy and contribute to organizational goals
• Manage relationships with internal and external stakeholders, ensuring client satisfaction and identifying opportunities for business growth
• Lead projects from feasibility through completion, providing guidance and technical leadership to support teams
• Develop resilient infrastructure solutions that leverage digital technologies and tools for enhanced performance
• Collaborate with other engineering disciplines to deliver integrated project solutions
• Maximize project profitability by monitoring budgets, anticipating risks, and maintaining transparent communication aligned with client expectations

As you contribute to the collective growth of our team’s capability, we will offer you exceptional opportunities for technical and management skillset development and long-term career progression.

To be considered for this role, you will possess the skills, experience and qualifications below:

• Bachelor’s degree in Building Services Engineering with a specialization in Mechanical Engineering
• Minimum of 15 years managing diverse projects, including those within the built environment and transit sectors. Experience in aviation and nuclear projects is considered a significant asset
• Must be a registered Professional Engineer (P.Eng) in the province of Ontario or eligible to obtain registration within 12 months of hire
• Strong understanding of current building codes, regulations, legislation, and standards relevant to building and infrastructure design environments
• Advanced knowledge and hands-on experience with industry-recognized software and mechanical design tools, such as NBS Chorus, IES, and HAP
• Demonstrated experience and working knowledge of Building Information Modeling (BIM) processes and tools
• Highly self-motivated with the ability to work independently, exercise sound judgment, and make confident decisions
• Proven ability to work effectively in a team environment, fostering strong relationships with internal teams, external partners, and subcontractors
• Excellent verbal communication skills combined with a positive, professional attitude

At Mott MacDonald, our employees have a stake and a voice in our business, providing them with a direct connection to our success through our personal and group performance bonuses.

Multiple factors such as qualifications, overall experience and position responsibilities will be used to determine the successful candidate's actual salary within the expected range.

The expected salary range for this position is from $140,000 – $175,000.

This posting is for an existing vacancy.

Collaboration at Our Core

At Mott MacDonald, we believe great ideas happen when we're together. Our hybrid approach centers on an in-office culture, with most of your time spent collaborating face-to-face and a minimum of three days per week in the office. We balance flexibility with connection, so you and your manager can choose how to meet client, team, and personal commitments.

We seek to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute.

We are an equal opportunity employer and are committed to providing employment accommodation in accordance with the Ontario Human Rights Code and the Accessibility for Ontarians with Disabilities Act, 2005 (AODA). Mott MacDonald Canada Limited will provide accommodations to job applicants with disabilities throughout the recruitment process. If you require an accommodation, please notify us and we will work with you to meet your needs.