Senior Mechanical Engineer

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be h accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

AECOM is seeking a motivated and skilled Senior Mechanical Engineer to support the design and construction of buildings within the Buildings + Places (B+P) business line. This opportunity can be based out of our Markham, Mississauga, or Pickering offices, with opportunities for hybrid work available. This is a new role for the team.

This is an exciting opportunity for a Senior-level Mechanical Engineer with extensive experience in building systems to serve as the Technical Lead and Job Captain for the Mechanical Discipline on multi-discipline projects for the Defence and Transportation Market Sectors. The role also involves mentoring junior staff, contributing to technical excellence, and supporting project delivery across a wide range of building typologies.

About AECOM Buildings + Places Canada (B+P Canada): B+P Canada is a vibrant and growing fully integrated team spanning architecture, all building engineering disciplines, landscape architecture, urban planning, urban design, economics, and asset management for design and infrastructure projects.

As a Senior Mechanical Engineer, you will:

• Lead the design of Plumbing, Fire Protection, and HVAC systems for complex building projects.
• Serve as the Technical Lead for the Mechanical Discipline, providing specialized technical input and oversight on studies, designs, and construction documentation.
• Review and prepare HVAC design concepts, layouts, and calculations, ensuring compliance with project requirements and industry standards.
• Develop plumbing system layouts, including domestic water distribution, sanitary drainage, venting, storm drainage, and specialty systems such as oil grit interceptors and trench drains.
• Provide fire suppression indicative design, including wet/dry sprinkler systems, standpipes, clean agent systems, and specialized suppression systems for unique applications (e.g., hangars).
• Oversee Building Automation System (BAS) design and ensure seamless integration with other building systems.
• Perform quality control reviews of design calculations, drawings, and technical specifications to ensure high-quality deliverables.
• Prepare and review technical specification sections and contribute to the development of engineering budgets and schedules.
• Collaborate with interdisciplinary teams to ensure seamless coordination across all building systems.
• Mentor and provide guidance to junior engineers and technicians, fostering a culture of continuous learning and technical excellence.
• Actively participate in construction administration, including reviewing submittals, responding to RFIs, and conducting site visits to ensure project compliance with design intent.
• Support the preparation of technical reports and deliver results in a clear and concise manner to both technical and non-technical stakeholders.

The ideal candidate will have expertise in:

• HVAC Design and Construction Administration: Hydronic heating and cooling systems. Duct air distribution and terminal/central airside equipment selection. Net-zero heating and cooling solutions. General HVAC best practices.
• Plumbing Design and Construction Administration: Plumbing fixture selection and optimization of…