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Lead Mechanical Engineer / Designer

Canada, Waterloo 47.00 - 65.00 CAD / Hour · Job Posted June 02, 2026
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Job Description

We are seeking a high-level, confident Lead Mechanical Engineer / Designer to join our client, an established consulting firm in Waterloo, Ontario. This is a strategic growth position designed for a seasoned professional with over a decade of experience in the building services industry. You will be responsible for leading complex mechanical projects from inception through to construction, providing high-level technical direction for heating, ventilation, air conditioning, plumbing, and fire protection systems. This is an in-office position that is ideal for a leader who excels at managing multi-disciplinary teams and nurturing long-term relationships with architects, building owners, and contractors.

Job Responsibility

  • Lead technical designs for HVAC, plumbing, drainage, fire protection, and building automation systems for mid-to-high-rise buildings
  • Actively participate in firm growth by responding to and winning Requests for Proposals (RFPs)
  • Provide daily technical guidance to junior staff, overseeing the development of construction documentation and engineering calculations
  • Size and select all mechanical equipment, ductwork, and piping systems to meet project-specific requirements and building classifications
  • Serve as a primary point of contact for clients, owners, and contractors, ensuring expectations are managed and met throughout the project lifecycle
  • Conduct on-site reviews, manage change notices, and resolve complex construction issues

Requirements

  • P.Eng., C.E.T., LEL, or LET designation is strongly preferred
  • 7 - 10+ years of mechanical engineering experience specifically within the building services industry
  • Comprehensive knowledge of HVAC, plumbing, and fire protection systems across various building types (residential, commercial, and institutional)
  • Deep understanding of Canadian and Ontario standards, including OBC, SB-1, SB-10, NFPA (13, 14), CSA B149.1, and ASHRAE (62.1, 90.1)
  • Exceptional interpersonal skills with a proven ability to manage team workflows and coordinate with electrical, structural, and architectural disciplines
  • Strong analytical and critical thinking skills with a focus on detail-oriented design and customer service
  • Comfortable working out of the Hamilton, ON office 5 days a week

What we offer

  • Competitive Compensation: Pay band of $47.00 – $65.00 per hour based on seniority and expertise
  • Strategic Growth Role: Join the team in a newly created position aimed at expanding our firm’s mechanical department
  • High-Value Projects: Lead the design on significant builds with mechanical construction values exceeding $1,000,000
  • Leadership Impact: Directly supervise a minimum of two subordinates and play a pivotal role in mentoring the next generation of engineers
  • Established Reputation: Work for a firm with a 25-year history of success across residential, institutional, and commercial sectors

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