Richmond Hill, Canada | Posted on 05/19/2026

We are seeking a highly experienced Senior MechanicalEstimator to lead estimating efforts across large-scale ICI and high-riseresidential/commercial projects. This role is ideal for a self-sufficientprofessional who can independently price complex jobs, manage high-valuerooftop equipment estimates, and contribute to securing contracts.

Project values typically range from $5M to $35M, requiringstrong technical knowledge across plumbing, HVAC, and sheet metal systems.

Key Responsibilities

- Prepareaccurate and competitive cost estimates for mechanical systems (plumbing,HVAC, sheet metal)
- Independentlyanalyze drawings, specifications, and tender documents
- Performdetailed take-offs and pricing for ICI and high-riseresidential/commercial projects
- Handlehigh-cost rooftop unit pricing and equipment analysis on a daily basis
- Solicitand evaluate subcontractor and supplier quotes
- Leadbid submissions and actively participate in closing contracts
- Identifycost risks, value engineering opportunities, and scope gaps
- Collaboratewith project managers, engineers, and leadership teams




- Maintainorganized documentation of estimates and bid history

Qualifications & Experience

- Minimum5+ years of experience in mechanical estimating
- Strongexpertise in plumbing, HVAC, and sheet metal systems
- Provenexperience with ICI and high-rise construction projects
- Abilityto independently manage full-cycle estimating on large-scale projects
- Experiencepricing projects in the $5M-$35M range
- Familiaritywith Autobid (or similar estimating software) is considered a solid asset
- Strongunderstanding of Ontario codes, standards, and construction practices
- Excellentanalytical, negotiation, and communication skills

What We're Looking For

- Aself-driven leader who can take ownership of the estimating function
- Someoneconfident in pricing jobs independently and making strategic decisions
- A teamplayer with the ability to mentor junior estimators over time
- Strongcommercial awareness and ability to help win work and close deals
- Paidvacation and personal days

📌 Full time (Richmond Hill)
🏢 Optalent
📍 Richmond Hill