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Senior Mechanical Engineer

Job in Markham, Ontario, I3P, Canada
Listing for: AECOM
Full Time position
Listed on 2026-06-19
Job specializations:
  • Engineering
    Mechanical Engineer, HVAC Tech / Heating Engineer, Building Services Engineer, Environmental Engineer
Salary/Wage Range or Industry Benchmark: 110000 - 140000 CAD Yearly CAD 110000.00 140000.00 YEAR
Job Description & How to Apply Below
Position: Senior Mechanical Engineer )

Senior Mechanical Engineer

Responsibilities
  • 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.
Key Technical Expertise
  • 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 domestic water distribution.
    • Sanitary and storm drainage systems.
    • Specialty drainage systems (e.g., oil grit interceptors, trench drains).
    • Domestic hot water production systems.
  • Fire Suppression Design and Construction Administration:
    • Wet and dry sprinkler systems.
    • Standpipes and clean agent gas/aerosol systems.
    • Specialized fire suppression systems for unique applications.
  • Building Automation Systems (BAS):
    • Design and integration of BAS for efficient building operations.
Qualifications

Minimum Requirements:

  • Bachelor’s Degree in Mechanical Engineering.
  • Minimum 6 years of experience in designing HVAC, plumbing, and fire protection systems for commercial, institutional, and light industrial facilities.
  • Demonstrated equivalency of experience and/or education may be considered.

Preferred Requirements:

  • P.Eng. license is strongly preferred.
  • PWGSC/PSPC - Level II Secret Clearance preferred for Federal Projects.
  • Proficiency in AutoCAD, Micro Station, and REVIT for 2D and 3D design and drafting.
  • Experience with Carrier HAP, Trane Trace, or Design Builder.
  • Strong communication skills (spoken and written) with the ability to present technical concepts to diverse audiences.
  • Experience with mechanical system installation, service and maintenance requirements.
  • Experience mentoring junior staff and contributing to team development.
  • Familiarity with sustainable design practices and net-zero building solutions.
Salary

CAD 110,000 – CAD 140,000 per year.

Equal Opportunity Employer

All your information will be kept confidential according to EEO guidelines.

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Position Requirements
10+ Years work experience
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