Lead Mechanical Engineer Design

Senior Mechanical Engineer (Building Systems) – Toronto (On‑Site)

We are partnering with a well‑established multi‑disciplinary engineering consultancy to hire a Senior Mechanical Engineer for their growing GTA team. This role is ideal for someone who thrives in a design‑focused, client‑facing environment and is looking to take ownership of projects while mentoring junior staff.

You will play a key role in delivering mechanical building systems design across a range of complex projects, while also supporting team development and client coordination.

• Lead mechanical design for building projects from concept through to completion
• Perform HVAC and plumbing/piping system design, including equipment sizing and selection
• Produce and review detailed engineering calculations and drawings
• Work extensively in Revit MEP for design and coordination
• Manage projects, timelines, and deliverables in a consulting environment
• Collaborate with internal teams, external consultants, and clients
• Provide mentorship and technical guidance to junior and intermediate engineers

• 8+ years of experience in mechanical building systems design
• Strong background in HVAC and plumbing/piping systems (design‑focused)
• Proven experience working within a building engineering consultancy
• Advanced proficiency in Revit MEP (mandatory)
• Solid understanding of mechanical calculations, codes, and standards
• Demonstrated ability to manage projects end‑to‑end
• Strong communication skills with client‑facing experience

• High‑density residential (multi‑unit) developments
• Healthcare and/or institutional projects
• Commercial or public‑use facilities (e.g., recreational, cultural) (
  
  Note:
  
  Industrial/warehouse experience is not aligned with this role)

• Base Salary: $100,000 – $110,000
• Performance Bonus
• Flexible Wellness Allowance (can be used for health/dental or lifestyle expenses such as transit, parking, fitness, etc.)
• Stable, collaborative team environment with strong project pipeline
• Consistent on‑site schedule (Monday–Friday, standard business hours) offering excellent work‑life balance

This opportunity is best suited for a technically strong, design‑oriented Senior Mechanical Engineer currently working in a consulting environment, who enjoys both hands‑on engineering and team leadership.

, P.Eng.