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Lead Mechanical Engineer​/Designer

Job in Waterloo, Kitchener, Ontario, Canada
Listing for: Randstad Canada
Full Time position
Listed on 2026-07-20
Job specializations:
  • Engineering
    Mechanical Engineer, Building Services Engineer
Salary/Wage Range or Industry Benchmark: 47 - 65 CAD Hourly CAD 47.00 65.00 HOUR
Job Description & How to Apply Below
Position: Lead Mechanical Engineer / Designer
Location: Waterloo

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.

Advantages
- 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.

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

Qualifications
- Professional Credentials: A P.Eng., C.E.T., LEL, or LET designation is strongly preferred.
- Extensive

Experience:

7 - 10+ years of mechanical engineering experience specifically within the building services industry.
- Technical Expertise:
Comprehensive knowledge of HVAC, plumbing, and fire protection systems across various building types (residential, commercial, and institutional).
- Code Mastery:
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).
- Communication & Leadership:
Exceptional interpersonal skills with a proven ability to manage team workflows and coordinate with electrical, structural, and architectural disciplines.
- Problem Solving:
Strong analytical and critical thinking skills with a focus on detail-oriented design and customer service.

- Work Schedule:

Comfortable working out of the Hamilton, ON office 5 days a week.

Summary
This Lead Mechanical Engineer / Designer position is a premier opportunity for a technical expert to transition into a significant leadership role within a thriving Waterloo consulting firm. If you possess the experience to handle high-value renovations and new construction projects while providing mentorship to a growing team, we encourage you to apply or email  with a copy of your resume.

Help us drive our mechanical department forward while delivering innovative, code-compliant solutions for the building service industry.

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting…
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